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Air cooling parts
By OE Match
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
Fits:
Porsche 993 C2 / C4 1994-98
Porsche 993 Turbo
Click 'Zoom in' for large parts diagram.
Diagram ref no 9 & 12.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99311071250
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
Fits:
Porsche 993 C2 / C4 1994-98
Porsche 993 Turbo
Click 'Zoom in' for large parts diagram.
Diagram ref no 12.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99311071250
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) TURBO 1994-96
Replacement rubber intake sleeve / connecting hose manufactured to original Porsche specifications. This direct-fit replacement restores airtight sealing between the air flow meter and intake manifold, preventing leaks and ensuring precise fuel metering for smooth, powerful performance.
Fits:
Porsche 964 C2 / C4 1989 - 1994
Porsche 964 Carrera RS
Porsche 993 C2 / C4 1994 - 1995
Porsche 993 Turbo 1994 - 1998
This product supersedes Porsche's old part numbers:
- 96411068601
- 96411068603
Diagram ref no 5.
Material: Heat- and oil-resistant rubber compound
Function: Seals air distributor to intake runners; prevents vacuum leaks
Position: Between intake plenum and cylinder head manifolds
Replacement Interval: During intake removal, rebuild, or when cracks are visible
Benefits: Restores proper airflow, stable idle, and factory performance consistency
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96411068604
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
- Porsche 914 (1970-1976)
Direct replacement alternator fan and impeller housing strap for Porsche 911 (993) models. This strap secures the alternator fan and housing assembly in place, ensuring proper alignment and reliable cooling performance. Built to OE specifications, it matches the fit and strength of the original part while offering excellent durability.
Fit:
Porsche 993 turbo - 1994 to 1997
Diagram ref no 6
Location: Engine bay, securing the alternator fan / impeller housing
What this product does:
• Holds the alternator fan and impeller housing firmly in place
• Ensures proper cooling airflow through the engine
• Maintains alignment of the fan assembly to avoid vibration or damage
With age, the original strap can weaken, stretch, or corrode, making it less effective at securing the housing. If it fails, the fan assembly may loosen, leading to unwanted noise, vibration, or reduced cooling efficiency. Replacing the strap ensures a secure fit and proper tension, keeping your Porsche’s cooling system performing as intended.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99310625150
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
This OE Match engine air duct is a replacement cooling air guide fitted around the engine fan system. It is specifically intended for Porsche 993 Varioram applications and is designed to match the original-style fitment and function.
Fits:
*** for Varioram cars only engine M64.21 / 22 / 23 / 24
Porsche 993 C2 / C2S 1994 - 1998
Porsche 993 C4 / C4S 1995 - 1998
Porsche 993 Turbo 1995 - 1998
Diagram ref no 5
What This Product Does
The duct forms part of the air-cooled engine's airflow system, guiding air to the engine fan. Correct duct alignment helps maintain the intended airflow path around the cooling assembly.
Functions
- Channels air towards the engine cooling fan
- Supports the intended engine cooling airflow path
- Replaces a cracked, warped or missing original duct
- Helps prevent unwanted gaps around the fan ducting
Technical Details
- Brand: OE Match
- Reference number: 99310640300
- Application restriction: Varioram cars only
- Engine codes: M64.21 / 22 / 23 / 24
- Diagram reference: 105-05, item 5
Symptoms of Fault
- Visible cracking, warping or damage to the duct
- Gaps or poor alignment around the cooling fan assembly
- Rattling or vibration from loose ducting
- Hot air recirculation within the engine compartment
- Engine temperatures running higher than expected
Why Replacement Matters
A damaged or incorrectly seated duct can disrupt airflow through the air-cooled engine system. Replacing the affected component restores the ducting arrangement and helps the fan direct cooling air as intended. Inspect the surrounding fixings and adjacent ducting during installation.
FAQs
- Is this suitable for every Porsche 993?
No. This application is specified for the Varioram models and engine codes listed above. - When should the duct be replaced?
Replacement should be considered if the existing part is cracked, distorted, loose or missing. - Where is this part shown on the diagram?
It is identified as item 5 on diagram 105-05.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99310640300
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) RS 1994-97
Fits:
Pre-vario ram cars only
Porsche 964 (1989 to 1994)
Porsche 993 Carrera RS Clubsport (1995 to 1996; with engine code M64.20)
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410640302
The product you are viewing cross references to these numbers
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
Sold individually; x2 required per vehicle.
Fits:
Porsche 993 Turbo 3.6L 1995-98
Porsche 993 Turbo S 3.6L 1997-98
Diagram ref. 15.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99310626802
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 993 (911) C2 1994-97
Fits:
Porsche 964 C2 Tiptronic 1990-94
Porsche 993 C2 Tiptronic 1995-98
Diagram ref no 15.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410626731
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
OE Match intake manifold rubber sleeve for Porsche 964 and 993 models. This replacement rubber coupling forms part of the engine air intake system, helping provide a secure and sealed connection between intake components for correct airflow and reliable engine operation.
Fits:
Porsche 964 C2 / C4 / RS 1989 - 1994
Porsche 993 Carrera 1994 - 1998
Porsche 993 Turbo
Diagram ref no 7
This rubber sleeve is fitted within the intake manifold system and joins adjoining intake components while allowing a degree of flexibility between them. It is designed to replace an original sleeve that has become cracked, hardened, split or otherwise deteriorated with age.
- Connects components within the intake manifold system
- Helps maintain an airtight intake connection
- Prevents unwanted air leaks
- Accommodates normal engine movement and vibration
- Helps maintain correct airflow to the engine
- Replaces cracked, hardened or perished intake rubber
- Suitable for intake system repair and engine servicing
- OE Match replacement part.
- Rough or unstable idle
- Intake air leaks
- Hesitation during acceleration
- Reduced engine performance
- Difficult engine tuning
- Whistling or hissing noises from the intake system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96411068703
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
The OE MATCH Intake Manifold (Part Number 99311071250/1) is a high-quality replacement component designed to restore efficient airflow and reliable engine operation on Porsche 911 (993) Carrera 2, Carrera 4 and Turbo models.
Fits:- Porsche 993 C2 / C4 1994-98
- Porsche 993 Turbo
Diagram Ref No 12
Manufactured to match the original equipment specifications, this intake manifold component forms an important part of the engine's air induction system, helping deliver the required airflow towards the engine's combustion chambers.
The Porsche 993's six-cylinder boxer engine relies on a properly sealed intake system to maintain efficient combustion, consistent throttle response and smooth engine performance. Each intake runner provides a passage for air to travel through the induction system, helping support the engine's intended operating characteristics.
Over time, original intake manifold components can become damaged through heat exposure, engine vibration, ageing and repeated maintenance. Cracks, damaged mounting surfaces or deteriorated connecting sleeves can allow unwanted air to enter the intake system, potentially affecting engine performance and efficiency.
A leaking or damaged intake manifold connection may contribute to rough idling, hesitation during acceleration, reduced engine responsiveness and irregular combustion.
The OE MATCH Intake Manifold provides a practical replacement for a damaged original component, helping restore the correct airflow passage, maintain the integrity of the intake system and preserve the factory engine configuration.
Ideal for Porsche 993 engine maintenance, intake system repairs, air leak diagnosis and classic Porsche restoration projects.
What This Product Does:
The intake manifold is a vital part of the engine's air induction system, responsible for directing air towards the engine cylinders.
Its primary functions include:
- Directs Intake Air: Provides a passage for air to travel through the intake system towards the engine's intake ports.
- Supports Efficient Combustion: Helps deliver the air required for the correct combustion process.
- Maintains Intake System Integrity: Works with the associated rubber sleeves, seals and mounting components to maintain a properly sealed induction system.
- Supports Smooth Engine Operation: Helps maintain consistent airflow for stable idling and normal engine running.
- Maintains Throttle Response: Supports the engine's ability to respond smoothly to changes in throttle demand.
- Reduces Unmetered Air Entry: Correct sealing helps prevent air from entering the system through unintended openings.
- Supports Engine Efficiency: Helps maintain the intended intake arrangement for correct air delivery and combustion.
- Maintains Cylinder Air Supply: Forms part of the individual air intake path serving the engine's six-cylinder configuration.
- Supports Original Engine Performance: Preserves the factory-style intake passage and installation geometry.
- Maintains Original Equipment Fitment: Designed to replace the corresponding factory intake manifold component.
Symptoms Of Wear Or Failure:
The intake manifold and its associated connections are subjected to engine heat, vibration and continuous airflow throughout their service life.
While the manifold runner itself is generally durable, physical damage, ageing seals or deteriorated connecting components can lead to intake air leaks and engine operating problems.
Common symptoms include:
- Rough or Unstable Idle: Unmetered air entering the intake system may cause the engine to idle unevenly.
- Engine Hesitation: Air leaks may contribute to hesitation or inconsistent response during acceleration.
- Reduced Engine Performance: A damaged or leaking intake connection may affect the engine's normal operating characteristics.
- Visible Cracks or Fractures: Physical damage to the manifold may allow air to escape or enter through an unintended opening.
- Intake Air Leaks: Damaged mounting surfaces, seals or connecting sleeves may allow unwanted air into the induction system.
- Hissing or Whistling Noises: Air leaking through a cracked manifold or deteriorated connection may produce noticeable intake noises.
- Irregular Engine Running: Inconsistent intake airflow may contribute to uneven combustion or running quality.
- Increased Fuel Consumption: Intake air leaks may affect engine management corrections and contribute to inefficient operation.
- Engine Management Warning Light: Certain intake-related faults may trigger diagnostic warnings or stored fault codes.
- Damaged Mounting Points: Cracked or distorted mounting areas may prevent the manifold from being securely installed.
- Loose or Deteriorated Rubber Sleeves: Ageing connecting sleeves can lose flexibility, split or allow unwanted air leakage.
- Visible Damage Following Repairs: Incorrect removal, overtightening or accidental impact may damage the original manifold.
Why Replacement Matters:
Replacing a cracked, damaged or leaking intake manifold helps maintain the correct operation and reliability of the Porsche 993's engine air induction system.
Key Benefits of Replacement:
- Restores Correct Intake Airflow: Replaces damaged components to help maintain the intended passage of air towards the engine.
- Helps Eliminate Intake Air Leaks: Restores sealing integrity where the original manifold or its mounting surfaces are damaged.
- Supports Smooth Engine Idling: Helps reduce running irregularities caused by confirmed intake leaks.
- Improves Engine Responsiveness: Restoring the correct intake arrangement can help recover normal throttle response where leakage was affecting performance.
- Maintains Efficient Combustion: Helps preserve the intended air delivery characteristics of the engine.
- Reduces Unmetered Air Entry: Supports correct airflow measurement and engine management operation.
- Protects Engine Reliability: Helps prevent continued operation with an unresolved intake system defect.
- Maintains Factory Specifications: Designed to match the original Porsche intake manifold arrangement.
- Original Equipment-Style Fitment: Provides the appropriate replacement shape and connections for compatible engines.
- Supports Long-Term Engine Performance: Helps preserve normal engine operation by maintaining the integrity of the induction system.
- Ideal During Engine Maintenance: Suitable for replacement during intake system refurbishment or when repairing damaged components.
- Cost-Effective Repair: Allows an individual damaged runner to be replaced without necessarily renewing the entire intake assembly.
- Suitable for Classic Porsche Restoration: Helps maintain the original appearance and configuration of the Porsche 993 engine.
A damaged intake manifold may initially cause only a minor air leak or occasional running irregularity. However, continued operation with an intake leak can result in inconsistent air-fuel mixture control and reduced engine performance.
Replacing a defective runner with an OE MATCH component helps restore the intended intake system configuration and supports reliable engine operation.
Where the original rubber connecting sleeves have hardened, cracked or deteriorated, these should also be inspected and replaced as necessary to ensure the intake system is correctly sealed.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99311071250
The product you are viewing cross references to these numbers
- Porsche 993 (911) TURBO 1994-96
Fits:
Porsche 993 Turbo 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99360611400
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
Fits:
Porsche 964 C2 / C4 1989-94
Porsche 964 Carrera RS
Porsche 993 C2 / C4 1994-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96411068503
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) TURBO 1994-96
Replacement rubber intake sleeve / connecting hose manufactured to original Porsche specifications. This direct-fit replacement restores airtight sealing between the air flow meter and intake manifold, preventing leaks and ensuring precise fuel metering for smooth, powerful performance.
Sold each.
Fits:
Porsche 964 C2 / C4 1989 - 1994
Porsche 964 Carrera RS
Porsche 993 C2 / C4 1994 - 1995
Porsche 993 Turbo 1994 - 1998
This product supersedes Porsche's old part numbers:
- 96411068601
- 96411068603
Diagram ref no 5.
Material: Heat- and oil-resistant rubber compound
Function: Seals air distributor to intake runners; prevents vacuum leaks
Position: Between intake plenum and cylinder head manifolds
Replacement Interval: During intake removal, rebuild, or when cracks are visible
Benefits: Restores proper airflow, stable idle, and factory performance consistency
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96411068604
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Fits:
Porsche 993 1994-96
Click 'Zoom in' for large parts diagram.
Diagram ref no 23.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99362404100
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
This OE Match radiator oil cooler electric fan is a replacement cooling fan for Porsche 964 and 993 models. It is designed to match the original-style fitment and function, helping support correct oil cooling performance and reliable temperature control.
Fits:
Porsche 964 C2 / C4 / Turbo 1989 - 1994
Porsche 993 C2 / C4 / Turbo 1985 - 1998
Diagram ref no 31
The electric fan assists airflow through the oil cooler / radiator cooler area when additional cooling is required. It helps draw air through the cooler at low road speeds, in traffic, or during high-temperature conditions, supporting stable engine oil temperature and protecting the engine from excess heat.
Functions
• Assists airflow through the oil cooler / radiator cooler area
• Helps maintain correct engine oil temperature
• Supports cooling performance at low speeds and in traffic
• Helps prevent overheating under demanding conditions
• Restores correct electric fan operation
• Replaces faulty, noisy, seized, or damaged original fans
Why Replace This Part?
Electric cooling fans can fail due to motor wear, seized bearings, electrical faults, broken blades, corrosion, or age-related deterioration. A failed fan may cause increased oil temperatures, poor cooling performance in traffic, warning lights, noise, vibration, or complete loss of auxiliary cooling. Replacing the fan helps restore proper airflow and reliable cooling system function.
When to Replace This Part
• The oil cooler fan does not operate
• The fan motor is noisy, seized, weak, or intermittent
• Engine oil temperatures rise in traffic or hot weather
• The fan blades are cracked, broken, or damaged
• Electrical faults are present in the fan circuit
• The oil cooler or surrounding cooling system parts are being replaced
• The vehicle is undergoing Porsche 964 or 993 cooling system restoration.
Where it fits on the car
This electric fan fits in the oil cooler / radiator cooler area on Porsche 964 and 993 models. It forms part of the auxiliary cooling system and helps move air through the cooler when natural airflow is not sufficient.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96462403503
The product you are viewing cross references to these numbers
-
oil cooler lines 993 1994-98 104-05
-
air cooling 993 1994-98 105-00
-
air duct 993 1994-98 105-05
-
l-jetronic intake distributor 993 CARRERA M64.05/06/07/08 and 993 TURBO M64.60 1994-98 107-10
-
intake distributor 993 CARRERA/4 M64.21/22/23/24 and 993 CARRERA RS M64.20 1994-98 107-12
-
charge air cooler 993 TURBO 1994-98 107-45
-
condenser blower front 993 1994-98 813-45
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.
