Air cooling parts
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 - 1970 to 1973
Porsche 911 2.7 MFI - 1974 to 1977
Porsche 911 turbo - 1975 to 1977
Porsche 914-6
The air deflector serves as an air baffle and provides optimal cooling of the cylinders. Bolts to the back of the alternator.
Diagram ref no 13
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91110603300
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
The air deflector serves as an air baffle and provides optimal cooling of the cylinders. Bolts to the back of the alternator.
Fits:
Porsche 911 - 1975 to 1977
Porsche 911 SC - 1978 to 1983
Diagram ref no 10
Mounted on the rear of the alternator or alternator hub, bolting into or adjacent to the fan housing / ventilation shroud.
What it does:
• Guides airflow from the cooling fan over the alternator and engine to maintain proper cooling
• Extends or positions the alternator hub correctly so pulleys are aligned and belt tension is correct
• Helps ensure consistent air circulation in the engine cooling system
Over time, deflectors or hub extensions can become warped, cracked, or corroded, compromising airflow and misaligning pulleys. A damaged deflector may lead to poor alternator cooling, reduced alternator lifespan, or belt misalignment. Replacing restores correct spacing, airflow direction, and ensures reliable alternator performance under all conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110603305
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 914 (1970-1976)

Fits:
Porsche 911 3.2 Carrera - 1984 to 1989
Porsche 911 turbo - 1984 to 1989
The air deflector serves as an air baffle and provides optimal cooling of the cylinders. Bolts to the back of the alternator.
Diagram ref no 10
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91110605502
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Fits:
Porsche 911 3.2 Carrera - 1984 to 1989
Porsche 911 turbo - 1984 to 1989
The air deflector serves as an air baffle and provides optimal cooling of the cylinders. Bolts to the back of the alternator.
Diagram ref no 10
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91110605502
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Fits:
Porsche 911 - 1972 to 1989
Porsche 914-6 - 1970 to 1976
Diagram ref no 3
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Related, superseded, cross reference or alternative numbers for comparison.
91110640601
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)

Fits:
Porsche 911 1972-89
Porsche 914 1970-76
Diagram ref no. 3
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91110640601
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)

Fit:
Porsche 911 1965-89
Porsche 911 (930) Turbo 1975-89
Porsche 964 Turbo 3.3L / Turbo 3.6L 1991-94
Porsche 914-6 1970-76
Diagram ref no 2
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96410625120
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 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 914 (1970-1976)
Fit:
Porsche 911 1965-89
Porsche 911 (930) Turbo 1975-89
Porsche 964 Turbo 3.3L / Turbo 3.6L 1991-94
Porsche 914-6 1970-76
Diagram ref no 2
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96410625120
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 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 914 (1970-1976)

Fits:
Porsche 911 F (1965 - 1972)
Diagram ref no 3
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90110625102
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)
Fits:
Porsche 911 - 1965 to 1972
Diagram ref no 3
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90110625102
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)

Fits:
Porsche 911/912 (1965-1969) (911 up Through 68)
Porsche 911T/E/S Carrera RS (1970-73)
Porsche 911/911S / Carrera (1974-1977)
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90110601003
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 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Fit:
Porsche 911SC / Turbo (1978-1983) (SC)
Porsche 911SC / Turbo (1978-1983) (TURBO)
Porsche 911 Carrera / Turbo (1984-1986)
Replace your old or worn 11 blade alternator fan with our EPS Performance replacement. A worn fan can cause premature damage to the alternator. On some older cars, this fan is an upgrade which improves cooling and engine temperature. The additional blades allow for increased airflow. Balanced and true, this fan will far outlast the failure prone fans. Made of high strength Aluminium with a Drop Forged Steel hub.
11-Blade Alternator Fan / Impeller (245mm Diameter), 3.25" Diameter Pulley,(also replaces 5 bladed fan) 911 (1980-89)
If your Porsche is fitted with a 226mm Alternator Fan you will need to upgrade to the 245mm fan and also buy a new fan housing Part No. 93010600600/1 , Pully 93010202804 & V belt 99919217650.
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93010601200
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)

Fits:
Porsche 911SC / Turbo (1978-1983) (SC)
Porsche 911SC / Turbo (1978-1983) (TURBO)
Porsche 911 Carrera / Turbo (1984-1986)
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93010601201
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)


Fits:
Porsche 911 F 1965 - 1968
up to engine number M09090000
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
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90110601001
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
Average weight: 1197g
Fit:
Porsche 911 3.2L 1984 - 1989
Porsche 930 Turbo 1978 - 1989
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93010600611
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Alternator Fan Housing - Alloy
Fits:
Porsche 911 Turbo 1976-83
Please Note: 1978-79 911SC You Will Need To Also Replace The Fan Part No. 93010601200/1
Long discontinued from Porsche we have manufactured an All Aluminium Replacement Alternator Fan Housing that is much more durable then it's predecessor. You can expect a direct fit with no modifications needed.
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Related, superseded, cross reference or alternative numbers for comparison.
93010600600
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Air Cooling Parts – Engine Efficiency and Temperature Control for Porsche Vehicles
Air cooling parts are essential components designed to regulate engine temperature, ensuring your Porsche runs efficiently, safely, and at peak performance. These components manage airflow and heat dissipation within air-cooled engines, preventing overheating and maintaining consistent operating conditions.
At Design911, we offer a wide selection of genuine and high-quality air cooling parts for Porsche models including classic air-cooled 911s, 964, 993, and more. Our range includes fan assemblies, shrouds, ducts, pulleys, housings, and cooling tins, all precision-engineered for exact fitment and reliable thermal management. Every part is built to the same high standards as the original factory components, ensuring lasting performance and authenticity.
What Do Air Cooling Parts Do?
Air cooling components work together to keep the engine’s
operating temperature stable by directing airflow across critical areas. Key
functions include:
- Cooling
the engine cylinders and heads to prevent overheating.
- Regulating
airflow through fans, ducts, and shrouds.
- Maintaining
consistent engine performance under varying load and speed conditions.
- Supporting mechanical efficiency and preventing thermal stress on components.
For Porsche’s legendary air-cooled engines, proper airflow and cooling performance are vital to achieving both longevity and smooth, balanced operation.
Why Do Air Cooling Parts Fail?
Over time, air cooling components can degrade due to
exposure to heat, vibration, and environmental wear. Common failure causes
include:
- Cracked
or warped shrouds and ducts from thermal stress.
- Fan
damage or imbalance caused by corrosion or debris.
- Loose
pulleys or belts reducing airflow efficiency.
- Corroded
or missing fasteners and mounts leading to rattling or misalignment.
- Material fatigue from age or improper maintenance.
Symptoms of failure include higher-than-normal engine temperatures, noise from the cooling fan, or visible cracks and wear on housing parts.
Why Replace Faulty Air Cooling Parts?
A compromised cooling system can lead to overheating, reduced performance, or even engine failure. Replacing worn or damaged components ensures optimal air circulation and temperature regulation, protecting your engine’s reliability and value.
Benefits of replacement include:
- Restored and efficient airflow across engine components.
- Consistent operating temperatures and improved engine longevity.
- Prevention of costly overheating-related damage.
- Factory-spec fitment and manufacturer-quality materials.
All air cooling parts in this range are designed to meet or exceed exacting engineering standards, ensuring durability, precision, and confidence for both restoration projects and regular maintenance.