Carburetors & Parts
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99952200302/1
Product Information
This spring is used on Solex 40 PII-4 carburetors fitted to Porsche 356 and 912 models. It mounts to the throttle linkage / butterfly lever on the carburetor, hooked between the throttle shaft arm and a fixed point on the carb body or bracket.
Sold each. There are two springs (for dual carb setup) on cars with twin carburetors.
Fits:
Porsche 356 (1950-1955)
Porsche 356A (1955-1960)
Porsche 356B (1960-1963)
Porsche 356C (1964-1965)
Porsche 912 (1965-1969)
Diagram ref no 9
• This spring mounts on the throttle mechanism and provides return force, retracting the throttle valve (or linkage) when the accelerator is released.
• Provides tension that ensures the throttle valve doesn’t stick or hang open, which maintains safe and predictable engine operation.
• Helps maintain consistent throttle response and prevents the linkage from going “over-center” (which could cause the throttle to stay open).
With age, the spring can weaken, fatigue, deform or corrode, reducing its ability to pull the throttle shut securely. Proper replacement restores crisp throttle response, safe idle return behaviour, and reliable drivability. Using a matching (OE Match) spring ensures correct tension, length, hook geometry, and compatibility with the carburetor’s original design.
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99952200302
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Product Information
Carburetor return spring for Solex 40PII-4. This spring is used on Solex 40 PII-4 carburetors fitted to Porsche 356 and 912 models. It mounts to the throttle linkage / butterfly lever on the carburetor, hooked between the throttle shaft arm and a fixed point on the carb body or bracket.
Sold each. There are two springs (for dual carb setup) on cars with twin carburetors.
Fits:
Porsche 356 (1950-1955)
Porsche 356A (1955-1960)
Porsche 356B (1960-1963)
Porsche 356C (1964-1965)
Porsche 912 (1965-1969)
Diagram ref no 9
• This spring mounts on the throttle mechanism and provides return force, retracting the throttle valve (or linkage) when the accelerator is released.
• Provides tension that ensures the throttle valve doesn’t stick or hang open, which maintains safe and predictable engine operation.
• Helps maintain consistent throttle response and prevents the linkage from going “over-center” (which could cause the throttle to stay open).
With age, the spring can weaken, fatigue, deform or corrode, reducing its ability to pull the throttle shut securely. Proper replacement restores crisp throttle response, safe idle return behaviour, and reliable drivability. Using a matching (OE Match) spring ensures correct tension, length, hook geometry, and compatibility with the carburetor’s original design.
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99952200302
99952200302
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £5.95 inc. VAT
Orderable - 21 to 28 Days
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12 Month Warranty
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61610074100/1
Product Information
Fits:
Porsche 356 Pre-A / 356 A
with the 1500 S engine
Diagram ref no 2
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61610074100
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Product Information
Carburetor throttle shaft 40 PICB. This is a new shaft CNC machined and black zinc plated.Fits:
Porsche 356 Pre-A / 356 A
with the 1500 S engine
Diagram ref no 2
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61610074100
61610074100
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Vehicle Group
Vehicle Group
- Porsche 356 1950-55
- Porsche 356A 1955-59
Price: £45.33 inc. VAT
Due In 5 Days
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61610839000
Product Information
Fits:
Porsche 912 1965 - 1969
Porsche 356 B/C 1600/S90/SC 1960 - 1965
Diagram ref no 2 (for 912) or 4 (for 356)
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61610839000
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Product Information
Carburetor to manifold spacer, fits Solex 40PII-4.Fits:
Porsche 912 1965 - 1969
Porsche 356 B/C 1600/S90/SC 1960 - 1965
Diagram ref no 2 (for 912) or 4 (for 356)
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61610839000
61610839300
61610839000
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £50.08 inc. VAT
Orderable - 14 to 28 Days
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61610839000/1
Product Information
The spacer is designed to sit between the carburettor base (typically a SOLEX 40 PII-4) and the intake manifold on classic Porsche models - 356 B/356 C and 912, manufactured to match Porsche OE specification.
Sold each, 4 required per vehicle.
Fits:
Porsche 912 1965 - 1969
Porsche 356 B/C 1600/S90/SC 1960 - 1965
Diagram ref no 2 (for 912) or 4 (for 356)
This spacer provides the correct separation and sealing interface, ensuring proper carburettor alignment, uniform port matching and preventing heat soak from the manifold into the carburettor. It is manufactured from a high-temperature-resistant to replicate the original design and maintain correct insulating properties.
Ideal for engine rebuilds, intake servicing or performance restoration, this spacer restores the intended clearance, port geometry, and sealing integrity required for reliable induction performance in classic Porsche engines.
Over time, the original spacer can deteriorate, warp or crack because of exposure to heat cycling, vibration and fuel vapour. A compromised spacer may lead to vacuum leaks, mis-metered fuel/air mixture, uneven idle or reduced performance.
Replace this spacer when:
• Performing a carburettor or intake manifold service or rebuild
• The original spacer is cracked, delaminated or missing
• Vacuum leaks or rough idle suggest induction sealing problems
• Restoring a classic Porsche engine to factory specification
Fitting new spacer ensures the correct spacing, proper sealing and authentic air-flow behaviour you need for lasting engine performance and reliability.
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61610839000
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Product Information
Carburetor to manifold spacer, fits Solex 40PII-4.The spacer is designed to sit between the carburettor base (typically a SOLEX 40 PII-4) and the intake manifold on classic Porsche models - 356 B/356 C and 912, manufactured to match Porsche OE specification.
Sold each, 4 required per vehicle.
Fits:
Porsche 912 1965 - 1969
Porsche 356 B/C 1600/S90/SC 1960 - 1965
Diagram ref no 2 (for 912) or 4 (for 356)
This spacer provides the correct separation and sealing interface, ensuring proper carburettor alignment, uniform port matching and preventing heat soak from the manifold into the carburettor. It is manufactured from a high-temperature-resistant to replicate the original design and maintain correct insulating properties.
Ideal for engine rebuilds, intake servicing or performance restoration, this spacer restores the intended clearance, port geometry, and sealing integrity required for reliable induction performance in classic Porsche engines.
Over time, the original spacer can deteriorate, warp or crack because of exposure to heat cycling, vibration and fuel vapour. A compromised spacer may lead to vacuum leaks, mis-metered fuel/air mixture, uneven idle or reduced performance.
Replace this spacer when:
• Performing a carburettor or intake manifold service or rebuild
• The original spacer is cracked, delaminated or missing
• Vacuum leaks or rough idle suggest induction sealing problems
• Restoring a classic Porsche engine to factory specification
Fitting new spacer ensures the correct spacing, proper sealing and authentic air-flow behaviour you need for lasting engine performance and reliability.
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61610839000
61610839300
61610839000
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £37.50 inc. VAT
Orderable - 14 to 28 Days
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61610810
Product Information
Choke: 32mm
Main: 125mm
Air:180 mm
Idle: 55mm
Emulsion tube:F11
Fits:
Porsche 356 B Super 90 1.6 01/59-12/63
Porsche 356 C SC 1.6 01/63-12/65
Porsche 912 1.6 01/65-02/70
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61610810
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Product Information
Carburetor, Solex style, 40 PII-4.Choke: 32mm
Main: 125mm
Air:180 mm
Idle: 55mm
Emulsion tube:F11
Fits:
Porsche 356 B Super 90 1.6 01/59-12/63
Porsche 356 C SC 1.6 01/63-12/65
Porsche 912 1.6 01/65-02/70
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61610810
61610810301
61610810303
61610810401
61610810403
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Select below
Prices from: £399.00 inc. VAT
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52808311/1
Product Information
Fits:
Porsche 356 PRE-A 1500S
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52808311
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Product Information
Carburettor compensation line.Fits:
Porsche 356 PRE-A 1500S
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52808311
52808311
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Vehicle Group
Vehicle Group
- Porsche 356 1950-55
Price: £149.00 inc. VAT
Orderable - 7 to 10 Days
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12 Month Warranty
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61610091100
Product Information
Fits:
Porsche 356 - 1950 to 1955
Porsche 356A - 1956 to 1959
Porsche 356B - 1959 to 1963
Porsche 356C - 1965 to 1965
Porsche 911 2.0ltr - 1965 to 1968
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61610091100
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Product Information
Carburettor float lever pin Solex. Fits:
Porsche 356 - 1950 to 1955
Porsche 356A - 1956 to 1959
Porsche 356B - 1959 to 1963
Porsche 356C - 1965 to 1965
Porsche 911 2.0ltr - 1965 to 1968
Click 'Zoom in' for large parts diagram.
Diagram ref no 22
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61610091100
61610091100
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £2.72 inc. VAT
Orderable - 14 to 28 Days
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12 Month Warranty
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PCG10080200
Product Information
Fits:
Porsche 356 1950-65
Click 'Zoom in' for large parts diagram.
Diagram ref no 52
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PCG10080200
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Product Information
Carburettor throttle spindle.Fits:
Porsche 356 1950-65
Click 'Zoom in' for large parts diagram.
Diagram ref no 52
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PCG10080200
PCG10080200
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Vehicle Group
Vehicle Group
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £103.55 inc. VAT
Orderable - 14 to 28 Days
Shop Securely
12 Month Warranty
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61610099100/1
Product Information
Sold each - 1 required per carburettor
Fits:
Porsche 356 / 356A - 1950 to 1959
Porsche 911 - 1965 to 1968
For Curburettors
356 / 356A
Solex 32 PBI
Solex 32 PBIC
Solex 40 PBIC
Solex 40PII / 40 PII-4
911
Solex 40 PI-1
Diagram ref no 19
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61610099100
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Product Information
Compression spring on adjusting screw for carburettor.Sold each - 1 required per carburettor
Fits:
Porsche 356 / 356A - 1950 to 1959
Porsche 911 - 1965 to 1968
For Curburettors
356 / 356A
Solex 32 PBI
Solex 32 PBIC
Solex 40 PBIC
Solex 40PII / 40 PII-4
911
Solex 40 PI-1
Diagram ref no 19
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61610099100
61610099100
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
Price: £2.35 inc. VAT
Orderable - 7 to 10 Days
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12 Month Warranty
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PCG10095100/1
Product Information
This diaphragm is manufactured to match Porsche OEM specifications, used in the carburettor/fuel pump assembly of early Porsche models such as the 356 B/C and 912 (Solex 40 PII-4 systems). This diaphragm ensures correct movement of the pump or fuel-metering circuit, maintaining consistent fuel delivery, avoiding starvation under load, and preserving the original throttle response characteristics.
Fits:
Porsche 356B / 356C (Model: 1600 S90/SC, CARRERA, 587/1 692/3A) 1960-1965
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/36/37)
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/39/40)
Diagram ref no 64
• Function: Flexes to actuate fuel-pump or carburettor component; maintains consistent fuel flow and pressure
• Position: Inside carburettor body or fuel pump assembly
• Benefits: Exact fit geometry, reliable sealing, restores factory fuel-delivery behaviour
• Installation: Replace during carburettor rebuild or fuel-system service; Ensure correct mounting orientation and inspect surrounding seals/gaskets.
Diaphragms in carburettor or fuel-pump assemblies are subject to continuous flexing, contact with fuel/ vapour, and ageing of elastomer materials. Over time the diaphragm may become hardened, cracked, or leak, leading to inconsistent fuel delivery, hesitation under acceleration or poor idle.
Replace this diaphragm when:
• Performing a carburettor rebuild, fuel-pump service or full engine commissioning
• The existing diaphragm shows visible cracks, deformation, fuel seepage or stickiness
• You experience fuel starvation, erratic throttle response or tuning instability
• You’re restoring your classic Porsche engine to factory-correct performance
Installing a new diaphragm restores correct actuation, sealing and fuel-flow behaviour—ensuring your induction system runs true, smooth and as intended.
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PCG10095100
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Product Information
Diaphragm for Solex 40PII-4 carburettor. This diaphragm is manufactured to match Porsche OEM specifications, used in the carburettor/fuel pump assembly of early Porsche models such as the 356 B/C and 912 (Solex 40 PII-4 systems). This diaphragm ensures correct movement of the pump or fuel-metering circuit, maintaining consistent fuel delivery, avoiding starvation under load, and preserving the original throttle response characteristics.
Fits:
Porsche 356B / 356C (Model: 1600 S90/SC, CARRERA, 587/1 692/3A) 1960-1965
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/36/37)
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/39/40)
Diagram ref no 64
• Function: Flexes to actuate fuel-pump or carburettor component; maintains consistent fuel flow and pressure
• Position: Inside carburettor body or fuel pump assembly
• Benefits: Exact fit geometry, reliable sealing, restores factory fuel-delivery behaviour
• Installation: Replace during carburettor rebuild or fuel-system service; Ensure correct mounting orientation and inspect surrounding seals/gaskets.
Diaphragms in carburettor or fuel-pump assemblies are subject to continuous flexing, contact with fuel/ vapour, and ageing of elastomer materials. Over time the diaphragm may become hardened, cracked, or leak, leading to inconsistent fuel delivery, hesitation under acceleration or poor idle.
Replace this diaphragm when:
• Performing a carburettor rebuild, fuel-pump service or full engine commissioning
• The existing diaphragm shows visible cracks, deformation, fuel seepage or stickiness
• You experience fuel starvation, erratic throttle response or tuning instability
• You’re restoring your classic Porsche engine to factory-correct performance
Installing a new diaphragm restores correct actuation, sealing and fuel-flow behaviour—ensuring your induction system runs true, smooth and as intended.
Related reference numbers
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PCG10095100
PCG10095100
61610095100
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £12.95 inc. VAT
Orderable - 14 to 28 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
69210096900/1
Product Information
Complete mechanical diaphragm fuel pump is designed to replace the original Porsche unit (692-100-969-00) fitted to Porsche 356 and 912 engines. This pump supplies fuel from the tank to the carburetors under consistent pressure, ensuring smooth, reliable delivery across all driving conditions.
Fits:
Porsche 912 1.6L 1965 - 1968 (engine code: 616/36/37)
Porsche 356 B/C - 1600 S90/SC, CARRERA, 5871,6923A - 1960 - 1965
Diagram ref no 62
• Function: Draws fuel from tank and maintains steady flow to carburetors
• Benefits: OE flow pressure, reliable operation, corrosion resistance, vintage design
• Installation: Direct-fit replacement; gasket included; torque to Porsche specs
Mechanical fuel pumps operate continuously with every engine revolution. Over time, diaphragms harden, check valves wear, and housing seals degrade, leading to reduced fuel pressure, vapor lock, or leakage.
Replace this unit when:
• Experiencing hard starting or hesitation under load
• Fuel leaks or pressure drops are detected
• Original pump shows corrosion or mechanical wear
• Performing a fuel system or carburetor overhaul
Installing a new Diaphragm pump restores reliable fuel delivery, authentic engine bay appearance, and dependable performance — keeping your classic Porsche running like it should.
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69210096900
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Product Information
Diaphragm pump complete - NR. 72 - for Solex carburetor.Complete mechanical diaphragm fuel pump is designed to replace the original Porsche unit (692-100-969-00) fitted to Porsche 356 and 912 engines. This pump supplies fuel from the tank to the carburetors under consistent pressure, ensuring smooth, reliable delivery across all driving conditions.
Fits:
Porsche 912 1.6L 1965 - 1968 (engine code: 616/36/37)
Porsche 356 B/C - 1600 S90/SC, CARRERA, 5871,6923A - 1960 - 1965
Diagram ref no 62
• Function: Draws fuel from tank and maintains steady flow to carburetors
• Benefits: OE flow pressure, reliable operation, corrosion resistance, vintage design
• Installation: Direct-fit replacement; gasket included; torque to Porsche specs
Mechanical fuel pumps operate continuously with every engine revolution. Over time, diaphragms harden, check valves wear, and housing seals degrade, leading to reduced fuel pressure, vapor lock, or leakage.
Replace this unit when:
• Experiencing hard starting or hesitation under load
• Fuel leaks or pressure drops are detected
• Original pump shows corrosion or mechanical wear
• Performing a fuel system or carburetor overhaul
Installing a new Diaphragm pump restores reliable fuel delivery, authentic engine bay appearance, and dependable performance — keeping your classic Porsche running like it should.
Related reference numbers
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69210096900
69210096900
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £29.95 inc. VAT
Orderable - 14 to 28 Days
Shop Securely
12 Month Warranty
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7101-G
Product Information
Porsche
912
1600
356
Super 90
Please note that 7101-G is ONE diaphram only
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7101-G
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Product Information
Diaphram Solex 40 PIIPorsche
912
1600
356
Super 90
Please note that 7101-G is ONE diaphram only
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7101-G
7101-G
61610095700
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £15.27 inc. VAT
Orderable - 3 to 6 Days
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12 Month Warranty
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61610087700/1
Product Information
5 Needed - Sold each.
Fits:
for cars with Carburateur PALLAS - ZENITH 32 NDIX
Porsche 356 / 356A 1950-59
Porsche 356B / 356C - 1600 /S/C 1960-65
Diagram ref no 14
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61610087700
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Product Information
Fastening screw for Carburettor top cover. 5 Needed - Sold each.
Fits:
for cars with Carburateur PALLAS - ZENITH 32 NDIX
Porsche 356 / 356A 1950-59
Porsche 356B / 356C - 1600 /S/C 1960-65
Diagram ref no 14
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61610087700
61610087700
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Vehicle Group
Vehicle Group
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £8.35 inc. VAT
Due In 5 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
61610090601/1
Product Information
Fits:
For Solex 40 PII-4 and 44 PII-4
Porsche 356 B/C 1.6 01/59-12/65
Porsche 912 1.6 01/65-07/68
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
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61610090601
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Product Information
Float for carburetor, Solex 40 PII-4 and 44 PII-4Fits:
For Solex 40 PII-4 and 44 PII-4
Porsche 356 B/C 1.6 01/59-12/65
Porsche 912 1.6 01/65-07/68
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
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61610090601
61610090600
61610090601
1615150300
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £27.39 inc. VAT
Orderable - 14 to 21 Days
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12 Month Warranty
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61610097101
Product Information
This precision float valve is an original Porsche part used in Solex 40 PII-4 carburettors on classic Porsche 356 B/C and 912 models. It consists of a finely machined needle, seat and spring calibrated for the correct 1.75 mm flow, ensuring that the fuel level inside the float chamber remains stable and accurate. A correct float valve is vital to maintain proper mixture, smooth idle and balanced performance.
Fits:
Porsche 356B / 356C (Model: 1600 S90/SC, CARRERA, 587/1 692/3A) 1960-1965
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/36/37)
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/39/40)
Diagram ref no 46
Manufactured by Porsche to high OEM standards, this part ensures exact fitment, sealing and metering geometry — preserving the original fuel delivery behaviour of the engine.
• Function: Regulates fuel entry in float chamber of carburettor
• Fitment: Porsche 356 B/C; Porsche 912 (with Solex 40 PII-4)
• Position: Inside float chamber of carburettor body
• Benefits: Factory-exact metering geometry, correct fit/seal Installation
• Replace: during carburettor rebuild, verify seat & float level
Why and when to replace:
Over time the factory float valve may suffer from fuel contamination, corrosion or wear on the needle tip or seat. These issues can cause flooding, imbalanced mixture, rough idle or poor throttle response. Replace the valve when the original shows wear, leakage, improper float height or you’re performing a full carburettor overhaul. Using the genuine Porsche part restores the correct fuel-level control and ensures the engine runs true to the original specification.
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61610097101
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Product Information
Float valve with ball 1.75mm for Solex 40 PII-4 Carburetor. This precision float valve is an original Porsche part used in Solex 40 PII-4 carburettors on classic Porsche 356 B/C and 912 models. It consists of a finely machined needle, seat and spring calibrated for the correct 1.75 mm flow, ensuring that the fuel level inside the float chamber remains stable and accurate. A correct float valve is vital to maintain proper mixture, smooth idle and balanced performance.
Fits:
Porsche 356B / 356C (Model: 1600 S90/SC, CARRERA, 587/1 692/3A) 1960-1965
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/36/37)
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/39/40)
Diagram ref no 46
Manufactured by Porsche to high OEM standards, this part ensures exact fitment, sealing and metering geometry — preserving the original fuel delivery behaviour of the engine.
• Function: Regulates fuel entry in float chamber of carburettor
• Fitment: Porsche 356 B/C; Porsche 912 (with Solex 40 PII-4)
• Position: Inside float chamber of carburettor body
• Benefits: Factory-exact metering geometry, correct fit/seal Installation
• Replace: during carburettor rebuild, verify seat & float level
Why and when to replace:
Over time the factory float valve may suffer from fuel contamination, corrosion or wear on the needle tip or seat. These issues can cause flooding, imbalanced mixture, rough idle or poor throttle response. Replace the valve when the original shows wear, leakage, improper float height or you’re performing a full carburettor overhaul. Using the genuine Porsche part restores the correct fuel-level control and ensures the engine runs true to the original specification.
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61610097101
61610097100
61610097101
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Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Price: £26.98 inc. VAT
Orderable - 14 to 28 Days
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12 Month Warranty
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61610097101/1
Product Information
Float Valve precisely regulates the fuel level within the carburetor float bowl of the Solex 40 PII-4 system, as used on Porsche 356 B/C and 912 engines. It operates via a tapered needle and seat mechanism that opens and closes the fuel inlet based on float movement, maintaining the correct 1.75 mm flow aperture and consistent bowl height.
Fits:
Porsche 356B / 356C (Model: 1600 S90/SC, CARRERA, 587/1 692/3A) 1960-1965
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/36/37)
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/39/40)
Diagram ref no 46
Manufactured to replicates Porsche’s original geometry and sealing quality. It’s ideal for carburetor rebuilds, tuning, or replacing worn valves that cause flooding, lean conditions, or erratic mixture balance.
• Function: Regulates fuel entry to float bowl by closing inlet as float rises
• Fitment: Porsche 356 B/C and 912 with Solex 40 PII-4 carburetors
• Position: Inside float chamber cover (fuel inlet port)
• Flow Size: 1.75 mm – OE spec calibration
• Benefits: OE-style geometry, precise fuel control, leak-free sealing, reliable idle and acceleration
• Installation: Replace valve during carb rebuild; verify float height and seal tightness
Float valves wear naturally from constant fuel pressure, vibration, and ethanol exposure. As the tip or seat degrades, it can cause fuel overflow, hard starting, or lean running.
Replace this part when:
• Rebuilding the carburetor or adjusting float levels
• You notice fuel leakage, overflow, or inconsistent idle
• The needle shows grooves or corrosion on the tip
• Restoring carburetors to factory spec for balanced mixture control
Installing a new Float Valve ensures accurate bowl levels, steady fuel flow, and reliable operation of your classic Porsche 356 or 912’s Solex carburetors.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610097101
The product you are viewing cross references to these numbers
Product Information
Float valve with ball 1.75mm for Solex 40 PII-4 Carburetor. Float Valve precisely regulates the fuel level within the carburetor float bowl of the Solex 40 PII-4 system, as used on Porsche 356 B/C and 912 engines. It operates via a tapered needle and seat mechanism that opens and closes the fuel inlet based on float movement, maintaining the correct 1.75 mm flow aperture and consistent bowl height.
Fits:
Porsche 356B / 356C (Model: 1600 S90/SC, CARRERA, 587/1 692/3A) 1960-1965
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/36/37)
Porsche 912 1.6L 1965 - 1969 (Engine code: 616/39/40)
Diagram ref no 46
Manufactured to replicates Porsche’s original geometry and sealing quality. It’s ideal for carburetor rebuilds, tuning, or replacing worn valves that cause flooding, lean conditions, or erratic mixture balance.
• Function: Regulates fuel entry to float bowl by closing inlet as float rises
• Fitment: Porsche 356 B/C and 912 with Solex 40 PII-4 carburetors
• Position: Inside float chamber cover (fuel inlet port)
• Flow Size: 1.75 mm – OE spec calibration
• Benefits: OE-style geometry, precise fuel control, leak-free sealing, reliable idle and acceleration
• Installation: Replace valve during carb rebuild; verify float height and seal tightness
Float valves wear naturally from constant fuel pressure, vibration, and ethanol exposure. As the tip or seat degrades, it can cause fuel overflow, hard starting, or lean running.
Replace this part when:
• Rebuilding the carburetor or adjusting float levels
• You notice fuel leakage, overflow, or inconsistent idle
• The needle shows grooves or corrosion on the tip
• Restoring carburetors to factory spec for balanced mixture control
Installing a new Float Valve ensures accurate bowl levels, steady fuel flow, and reliable operation of your classic Porsche 356 or 912’s Solex carburetors.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610097101
61610097100
61610097101
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
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About Carburetors & Parts
Precision Carburetors & Components – Heritage
Performance and Reliability for Porsche Classics
Carburetors remain the beating heart of many classic
Porsche engines, delivering the perfect air-fuel mixture for smooth,
responsive combustion. At Design911, we offer a comprehensive range of high-quality
carburetors and replacement components designed to maintain or enhance the
authentic driving experience of vintage and air-cooled Porsche models.
From complete carburetor assemblies to jets, diaphragms, gaskets, floats, and linkages, our products are engineered to precise manufacturer standards, ensuring consistent performance, easy tuning, and reliable fuel delivery — whether for restoration or motorsport use.
What Do Carburetors and Carburetor Parts Do?
A carburetor’s role is to blend fuel and air in the correct ratio before it enters the engine. This process ensures efficient combustion, smooth throttle response, and optimal power output.
Core Functions:
- Regulate
air-fuel mixture for various engine speeds and loads.
- Deliver
consistent fuel flow for smooth idling and acceleration.
- Maintain
throttle response across changing temperatures and altitudes.
- Support efficient combustion and improved drivability in heritage engines.
Modern performance replacements and rebuild kits allow older Porsche models to retain their period-correct feel while achieving modern levels of reliability.
Why Do Carburetors Fail?
Over time, carburetors and their internal components degrade
due to fuel varnish, dirt contamination, and mechanical wear. Common
failure symptoms include:
- Hard
starting or stalling due to clogged jets or passages.
- Uneven
idling or misfiring from air leaks or worn gaskets.
- Poor
acceleration or fuel economy caused by sticking floats or needle
valves.
- Fuel leaks or drips from perished seals or warped housings.
Regular inspection and replacement of worn parts prevent poor performance, fuel inefficiency, and potential engine damage.
Why Replace with Precision-Engineered Carburetor Components?
Replacing worn components with precision-engineered carburetor parts ensures your Porsche’s engine maintains its legendary throttle feel and power delivery.
Key Benefits:
- Restores
consistent air-fuel mixing and smooth engine operation.
- Improves cold starting and throttle response.
- Eliminates
leaks and uneven idle, improving drivability.
- Extends
engine life through correct fueling and reduced detonation risk.
- Maintains
heritage authenticity with manufacturer-quality materials and
machining.
- Perfect compatibility with period-correct Porsche carburetor systems (e.g., Weber, Solex, Zenith).
Whether you’re rebuilding a classic 911, 914, or 356, our selection of carburetors and components delivers modern precision with period-correct performance.
Highlights:
- Complete
range of carburetors and rebuild components for Porsche classics.
- Precision-machined
parts ensure reliable fuel delivery and response.
- Manufacturer-quality
fitment for seamless installation.
- Improved
combustion efficiency and performance consistency.
- Compatible with Weber, Solex, and Zenith systems.
- Ideal for engine restorations, rebuilds, and tuning projects.
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