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Webcon
Webcon for Porsche
Webcon UK Ltd are the leading global manufacturers and distributors of genuine Weber carburettors and spare parts.In business since 1975 and headquartered near London, England, Webcon have one of the largest worldwide inventories of genuine carburettors and spare parts - all of which are available to ship worldwide.Webcon's Carburation expertise is complimented by a comprehensive range of fueling components.
A Quick Look at Webcon
Webcon UK Ltd are the leading global manufacturers and distributors of genuine Weber carburettors and spare parts.In business since 1975 and headquartered near London, England, Webcon have one of the largest worldwide inventories of genuine carburettors and spare parts - all of which are available to ship worldwide.Webcon's Carburation expertise is complimented by a comprehensive range of fueling components.
Choosing the Right Fit for Your Porsche
Where Webcon is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.
- Typical reasons to choose these parts include improving drivability, replacing worn carb components, upgrading to more consistent fuelling, and helping classic Porsche engines start, idle, and pull more cleanly.
- Common issues that lead to replacement include hesitation, poor cold start, rich or lean running, fuel smells, and flat spots, often linked to vacuum leaks, incorrect jetting, worn throttle shafts, or setup problems.
- Before chasing fuelling issues, confirm ignition is healthy and correctly timed, as many “carb problems” are ignition or setup related.
- After installation, set fuel pressure accurately, check for air leaks, and consider professional rolling-road tuning for optimal results.
Browse by Category
If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.
Engine Rebuild Parts — Engine rebuild parts are typically renewed during a planned rebuild or when symptoms point to wear inside the engine, such as loss of compression, heavy oil consumption, persistent leaks, abnormal noises, or contamination found during inspection. Many owners replace bearings, chains, guides, seals, gaskets, and hardware while the engine is apart to avoid repeat strip-downs and to improve reliability.
- Before committing to a rebuild, carry out compression and leak-down tests, inspect bores where possible, check the oil/filter for metallic debris, and rule out ancillary faults.
- When the engine is open, consider replacing chains, guides, tensioners, key seals, bearings (where applicable), and hard-to-access wear items at the same time.
Carburetors & Parts — Carburettor parts are often replaced when a Porsche shows poor starting, flat spots, fuel leaks, inconsistent idle, or when carburettors are being refurbished after long storage. Seals, jets, floats, and throttle shafts wear or degrade over time, so refreshing these components is a key step in restoring correct fuelling and drivability and in eliminating leaks.
- Check for vacuum leaks, worn linkages, and debris in the fuel system, and ensure carburettors are properly synchronised and mixtures set after any work.
- Many classic Porsche carburettors can be successfully rebuilt if the bodies are sound; replacement assemblies are usually reserved for badly worn or damaged units.
Explore Webcon at Design911
View the current Webcon range for Porsche at Design911, then filter by model and category to narrow down to the right parts.
Fits:
Porsche 911 Engines Between 1965>>1973
These Superb New Carburettors Are Manufactured In The Spanish Weber Factory On All New Tooling From The Original 1960s Drawings, And The New Kits Feature Webcons Own, UK Manufactured Inlet Manifolds And Throttle Linkage Set, As Well As A Pair Of Top Quality Air Filters.
If Any Changes Are Required To The Jetting, Please Send Us An Email.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PPO240
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Throttle lever 46 IDA3C1
Suits Weber 46 IDA3C1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9900531
The product you are viewing cross references to these numbers
- 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

Throttle lever 40 IDA3C1
Suits Weber 40IDA3C1
Click 'Zoom in' for large parts diagram
Diagram ref no 49 (LEFT) or 50 (RIGHT).
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110096
The product you are viewing cross references to these numbers
- 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

356/912 2 X weber 40IDF replaces Solex
Webcon performance kit for the Porsche 356
Superb quality Webcon performance kit contains
2 x Authentic Spanish Weber 40IDF carburettors
2 x British made manifold adaptor plates and fittings
2 x air filters
Carburettors are supplied calibrated as follows:
venturis 32mm
Main jets 125
Air Corr 180
Idle jets 55
E/Tubes F11
This will work really well on a stock engine, but we always recommend that, to achieve maximum power, driveability and efficiency, you have the carburettors professionally set up on a rolling road.
Please note that, owing to our policy of continous improvement, kit contents may be subject to change withour prior notice.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PPO201
The product you are viewing cross references to these numbers
- 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

Type 4 / 914 twin Weber 34 ICT manifold set
Suits 1.7 / 1.8 / 2.0
VW T4 air cooled motor
Also suits Porsche 914 1.7 / 1.8 / 2.0
Includes Manifolds, Gaskets, Studs and nuts
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9900341200
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)

Porsche 914/4 & VW T2 1.7/1.8/2.0
Linkage set to suit twin Weber IDF carburettors fitted to the following engines
Porsche
914/6 1.7 / 1.8 / 2.0
VW
T2 1.7 / 1.8 / 2.0
Superior quality
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9900429500
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
Manifold set to allow replacement of original Zenith carburettors with 2 x Weber 40IDF carburettors.
To replace Solex carburettors, please see MW4050.
The following additional parts will also be required:
2 x AFB 320 air filter
1 x 9900531400 lever
1 x 9900531500 lever
1 x 5555503800 washer
2 x 4043179900 throttle stop
- 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
PORSCHE 356/912 2 x Weber 40IDF
rep Solex
Top quality British made WEBCON inlet manifold and fittings.
Manifold set to allow replacement of original Solex carburettors with 2 x Weber 40IDF carburettors.
To replace Zenith carburettors, please see MW4051.
The following additional parts will also be required:
2 x AFB 320 air filter
1 x 9900531400 lever
1 x 9900531500 lever
1 x 5555503800 washer
2 x 4043179900 throttle stop
- 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

Porsche
912
1600
356
Super 90
Please note that 7101-G is ONE diaphram only
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
7101-G
The product you are viewing cross references to these numbers
- 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

2.0 924 2 X 40 DCOE
Performance kit to allow fitment of 2 x Genuine Spanish Weber 40DCOE carburettors to the Porsche 924 2 litre engine
Kit consists of
2 x Weber 40DCOE carburettors
1 x Intake Manifold
1 x Webcon linkage set
Softmounts, studs, nuts, washers and WEBER tuning manual etc
Please see cross selling products for details of Mesh Filters and Low Pressure fuel pump
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PPO204
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85

2 x Weber DCOE or Dellorto DHLA carburettors. Also suitable for Injection throttle bodies. Contains manifold only. Requires mounting hardware and linkage
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85

46IDA3C pair (LH plus RH)
New pair of authentic Spanish Weber 46 IDA3C carburettors to suit Porsche 911
These have been cast from 100% new tooling produced from the original Italian Weber drawings and manufactured in the Spanish Weber factory using the very latest production techniques to ensure the finest quality and attention to detail.
These are expected to be available from February 2019 onwards, and advance orders are being accepted now
Calibration is as follows:
Venturi 42mm
Aux Venturi 4.5
Main Jet 170
Air Corrector 145
Emulsion Tube F24
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
3136000102
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

40TIN Service kit
Service kit to suit the Zenith Pierburg 40TIN as fitted to Porsche 911 2195cc and 2341cc 1969-73
Service kits include gaskets, seals, diaphrams and needle/seat
This service kit includes parts for 2 carburettors
Please note that service kits do not include jets.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9612862000
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

40PII Service Kit
Service kit to suit the Solex 40PII Service kit as fitted
Service kits include gaskets, seals, diaphrams and needle/seat
Please note that service kits do not include jets, however these are available separately from Webcon if required.
40 PII
40 P11
PORSCHE
912
1600SC
356 CARRERA 356
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9611748000
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65

40IDA3C pair (LH plus RH)
New pair of authentic Spanish Weber 40 IDA3C carburettors to suit Porsche 911
These have been cast from 100% new tooling produced from the original Italian Weber drawings and manufactured in the Spanish Weber factory using the very latest production techniques to ensure the finest quality and attention to detail.
These are expected to be available from February 2019 onwards, and advance orders are being accepted now
Calibration is as follows:
Venturi 30mm
Aux Venturi 4.5
Main Jet 125
Air Corrector 180
Emulsion Tube F26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
3130000102
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Service kit to suit the Weber 40mm AND 46MM triple carburettor as fitted to many popular
performance applications including Porsche, Ferrari, Lamborghini and Renault
Suits:
Weber 40IDA3C
Weber 40IF3C
Weber 40IDL3C
Weber 46IDA3C
plus many more
Please note that this kit will not service the 40IT
Service kits include gaskets, seals, diaphrams and needle/seat, and one kit is required per carburettor
Please note that service kits do not include jets, however these are available seperately from Webcon if required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9210760502
The product you are viewing cross references to these numbers
- 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