do not press the back button…
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
Engine cylinder heads Porsche 993 3.6L Carrera 210 kW (280 hp) M64.21 / M64.22 (Reconditioned)
SET OF 6
Fits:
Porsche 993 3.6L Carrera 210 kW (280 hp) M64.21 / M64.22
Please note: Reconditioned units are sold on an exchange basis, A surcharge will be held and then refunded when the old one is returned.
Please note good reconditioned cylinder heads are becoming very hard for us to supply and this is simply because the core exchange units are not being returned to us. If you fail to return the core unit to us within 30 days we reserve the right to refuse the surcharge refund.
- The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
- Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
- Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
- All surcharges and exchanges are subject to our terms and conditions.
PLEASE NOTE:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99310403506
The product you are viewing cross references to these numbers
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits:
Porsche 928 S2 / S4 / GT / GTS (1985-1995)
Porsche 944 S / S2 (1987-1991)
Porsche 968 (1992-1995)
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810521500
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Camshaft Housing Cover Rear Gasket - Modern Fibre-Reinforced Sealing Material
High-quality replacement camshaft housing cover gasket designed for Porsche 928 (all 16-valve engines), as well as Porsche 924S and 944 models.
Fits:
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Diagram ref no 6
This gasket seals the camshaft housing cover, preventing oil leaks and ensuring proper engine sealing. Unlike the original cork design, this upgraded version is manufactured from a modern fibre-reinforced sealing material, offering improved durability, reliability, and resistance to heat and oil exposure.
Engineered to OEM specifications, this gasket provides a precise fit and long-lasting performance—ideal for both maintenance and engine rebuilds.
Key Features
• Direct replacement camshaft housing cover gasket
• Suitable for Porsche 928 (16V), 924, and 944 models
• Upgraded fibre-reinforced material (replaces original cork)
• Improved durability and resistance to oil and heat
• OEM-style fit and sealing performance
• Ideal for servicing, repair, or engine rebuilds
Function and Purpose
This gasket ensures a secure seal between the camshaft housing and cover.
It helps to:
• Prevent engine oil leaks
• Maintain proper sealing under high temperatures
• Protect internal engine components
• Support long-term engine reliability
Why Upgrade to a Modern Gasket
Original cork gaskets are prone to degradation over time.
Benefits of the upgraded material include:
• Increased resistance to heat and oil
• Reduced risk of cracking or shrinkage
• Longer service life
• Improved sealing performance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810518903
The product you are viewing cross references to these numbers
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Sold Each - 2 Required Per Car.
The Porsche Cylinder Head End Cap / Coolant Outlet Gasket is a genuine OEM seal designed for the coolant flange connection on the cylinder head. This gasket ensures a leak-free joint between the cylinder head and the coolant outlet housing or hose flange, preventing coolant loss and maintaining proper engine temperature regulation.
Fits:
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928S2 4.7L 1985-86
- Porsche 928S4 5.0L 1987-87
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram Ref No 15
What This Gasket Does:It seals the joint between the cylinder head and water hose or water neck / outlet flange, preventing coolant from leaking at that junction.
Helps maintain the cooling system integrity, making sure coolant flows properly through the head and out to the rest of the cooling circuit without leakage.
Prevents loss of coolant, overheating, or mixing of coolant with other engine areas (e.g. externally leaking coolant in engine bay).
Symptoms & Signs Of A Failing Gasket:
- Coolant leaks from around the cylinder head / hose junction at the water outlet area.
- Pooling coolant under the engine, especially after the car sits.
- Overheating or fluctuating engine temperature, if the cooling circuit loses pressure or leaks.
- Low coolant level without obvious reservoir leak.
- Evidence of corrosion or rust around the hose / flange / head joint, possibly greenish or whitish residue.
- Wetness (coolant drips) along the head surface under hose connections.
Why Replacement Matters:
- Prevents Coolant Leaks
- Maintains Cooling Efficiency
- Protects Against Costly Repairs
- Prevents Corrosion & Residue
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810616701
The product you are viewing cross references to these numbers