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Air cooling parts
By OE Match
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- 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Related, superseded, cross reference or alternative numbers for comparison.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 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)
Designed for classic air-cooled engines, this duct plays a crucial role in managing airflow within the engine bay. It ensures that sufficient cooling air reaches the oil cooler, which is essential for maintaining proper oil temperature and overall engine health.
Fits:
Porsche 911 - 1972 to 1989
Porsche 914-6 - 1970 to 1976
Diagram ref no 3
The air duct channels cooling air directly to the oil cooler, ensuring efficient heat dissipation from engine oil. This helps maintain stable oil temperatures and prevents overheating in air-cooled engines. Proper airflow management is critical for consistent engine performance and longevity.
Function
• Directs cooling air to the oil cooler
• Improves heat dissipation from engine oil
• Supports stable engine operating temperatures
• Ensures efficient airflow within engine tinware system
Over time, air ducts can crack, warp, or go missing during engine work. A damaged or missing duct reduces airflow to the oil cooler, leading to higher oil temperatures and potential engine wear. Replacing this component ensures proper cooling airflow, protects engine components, and maintains optimal performance - especially important for air-cooled engines.
When to replace:
• Cracked, broken, or missing duct
• Overheating or high oil temperatures
• During engine rebuild or restoration
• Poor airflow or incorrect engine tinware setup
• Preventative maintenance on classic vehicles
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110640601
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)
This alternator fan / impeller housing strap is a high-quality replacement component engineered in stainless steel. This strap secures the alternator cooling fan or impeller housing in the engine bay of classic Porsche air-cooled vehicles, providing enhanced corrosion resistance and durability.
Fit:
Porsche 911 1965 - 1989
Porsche 911 (930) Turbo 1975 - 1989
Porsche 964 Turbo 3.3L / Turbo 3.6L 1991 - 1994
Porsche 914-6 1970 - 1976
Diagram ref no 2
This OE Match strap secures the alternator cooling fan or impeller housing to the engine block or accessory mount, maintaining correct belt alignment, reducing vibration, and preserving the designed airflow path for the cooling system. Its robust stainless construction helps ensure that cooling performance and accessory alignment remain stable through many heating/cooling cycles and varying environmental conditions.
Installed between the fan housing and the engine accessory bracket, the stainless steel strap:
• Provides a rigid mounting point for the alternator fan/impeller housing
• Maintains accurate belt and pulley alignment
• Reduces the risk of strap deformation, corrosion, or fatigue
• Helps ensure consistent airflow distribution for engine cooling
The factory strap is steel and, over time, can be prone to corrosion, bending, fatigue, or surface degradation due to heat cycling and environmental exposure. These issues can lead to fan misalignment, belt wear, and reduced cooling performance. Upgrading to an OE Match stainless steel strap enhances reliability, resists corrosion, and improves longevity - ideal for engines used in daily driving, classic car tours, or restoration builds where long-term durability is important.
When to replace:
• Original strap shows corrosion, rust, or fatigue cracks
• Fan housing shows signs of misalignment or vibration
• During alternator, cooling fan, or accessory belt service
• When restoring or rebuilding the engine assembly
• Preventive upgrade to improve reliability
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410625120
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 935
Inlet funnel with cooling fan wheel for the 935 flat, horizontal fan
Material:
Fan Housing - GRP (honey coloured)
Fan Blades - Aluminium
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93510610300R
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
Fits:
Porsche 911 1978-79 (for 93010601200, 93010601201 fans without elongated slots)
Up to engine numbers
639 9201
6393868
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010601101
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)
A high-quality M5 captive speed nut designed for secures components such as the air intake guide and rear bumper cover mounting on the Porsche 928. This speed nut replicates Porsche’s original fastening standard, ensuring correct thread size, retainer design and installation fit.
Sold each.
Fits:
Porsche 928 1987 - 1995
• Thread size: M5
• Application: air intake guide (diagram ref no 8) and rear bumper cover mounting (diagram ref no 22)
This speed nut provides a secure, vibration-resistant anchoring point for parts that require frequent removal or tight fit-up. The captive design ensures the nut remains in position during assembly and removal processes, reducing fastener loss and ensuring consistent mount integrity.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99950731212
The product you are viewing cross references to these numbers
OEMatch Air cooling parts — Fit, Function, Confidence
Air cooling parts manage airflow and operating temperature in Porsche engines. OEMatch supplies a broad selection of fan assemblies, shrouds, ducts, pulleys and cooling tins selected for Porsche applications to support maintenance, restoration and routine servicing.
Available Types
- Fan assemblies and driven fans
- Shrouds, ducts and cooling tins
- Pulleys, belts and drive hardware
- Housings, mounts and fasteners
Understanding OEMatch Air cooling parts
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original air cooling parts. OE (Original Equipment) refers to parts matching original specifications for the air cooling parts and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM air cooling parts engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Air cooling components direct airflow across cylinders, heads and oil passages to control temperatures, prevent hotspots and support combustion stability. Correct ducts and shrouds reduce localised overheating and help maintain oil and engine life; fans and pulleys control airflow volume and speed across the full rev range.
Benefits Include
- Restored and controlled airflow across critical engine areas
- More consistent operating temperatures under varied loads
- Reduced risk of overheating-related damage
Why Air cooling parts Wear and Fail
- Thermal stress causing cracks, warping or deformation
- Corrosion and debris damage to fan blades, ducts or fasteners
- Vibration and material fatigue leading to loosened mounts or imbalance
The Importance of Replacing with OEMatch Air cooling parts
Replacing worn or damaged air cooling parts helps maintain reliable airflow and stable engine temperatures on Porsche models. Correct parts reduce the chance of heat-related faults, support predictable running and protect more costly components from secondary damage. Choosing parts made to the correct dimensions and fitment aids straightforward installation and long-term dependability.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances
- Designed to fit original mounting points and clearances where applicable
- A broad selection to suit restoration, maintenance and model-specific needs
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
