Please wait… 
Please wait while we process your order,
do not press the back button…
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.
Camshaft Cover LOWER. Porsche 993 - 99310511607
99310511607/1
Vehicle Group
- 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
Information
Camshaft Cover LOWER. The engine valve cover—also known as a rocker cover—is a vital component that seals the top of the engine’s cylinder head. It protects the valves and valve train components from dirt, debris, and contaminants while helping to prevent oil leaks.
Fits:
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99310511607
The product you are viewing cross references to these numbers
In many modern engines, the valve cover also integrates parts of the PCV (Positive Crankcase Ventilation) system, including the PCV valve itself. This design helps manage crankcase pressure and ensures proper ventilation of engine gases for optimal performance.
Fits:
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
Common Engine Valve Cover Failure Symptoms
- · Aging and Wear: Over time, valve cover gaskets can harden, shrink, or crack, leading to oil leaks and burning oil smells coming from the engine.
- · Improper Installation: Uneven torque or incorrect gasket placement during installation can cause leaks and sealing issues.
- · Material Fatigue: Constant exposure to high engine temperatures can cause plastic or metal covers to warp or crack.
- · Blocked PCV Valve: A clogged PCV system can cause excess crankcase pressure, potentially damaging the valve cover or gasket.
Click picture for large parts diagram.
Diagram Ref No 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99310511607
99310511607
The product you are viewing cross references to these numbers
Price: €99.29
In stock
Related products
Vehicle Group
- 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 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Information
Camshaft / Balance Shaft Seal, 30 X 48.
Maintain reliable engine sealing with this OE Match Camshaft / Balance Shaft Seal, manufactured as a direct replacement. Produced to OE-style specifications, this 30 x 48 mm radial shaft seal is designed to prevent engine oil from escaping around the rotating camshaft or balance shaft while protecting the engine from the ingress of dirt, moisture, and contaminants.
Fits:
Diagram Ref No 20
Camshaft and balance shaft oil seals are exposed to constant rotation, engine heat, and oil pressure throughout their service life. Over time, the sealing lip can harden, wear, or crack, allowing oil to leak from the engine. Oil leaks not only create a dirty engine bay but can also contaminate timing belts, auxiliary drive belts, and surrounding components, potentially leading to more costly repairs. Replacing worn seals during engine servicing or timing belt replacement helps maintain proper lubrication and engine reliability. This OE Match seal is ideal for routine maintenance, engine repairs, and Porsche restoration projects.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911328140
The product you are viewing cross references to these numbers
Maintain reliable engine sealing with this OE Match Camshaft / Balance Shaft Seal, manufactured as a direct replacement. Produced to OE-style specifications, this 30 x 48 mm radial shaft seal is designed to prevent engine oil from escaping around the rotating camshaft or balance shaft while protecting the engine from the ingress of dirt, moisture, and contaminants.
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 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Diagram Ref No 20
Camshaft and balance shaft oil seals are exposed to constant rotation, engine heat, and oil pressure throughout their service life. Over time, the sealing lip can harden, wear, or crack, allowing oil to leak from the engine. Oil leaks not only create a dirty engine bay but can also contaminate timing belts, auxiliary drive belts, and surrounding components, potentially leading to more costly repairs. Replacing worn seals during engine servicing or timing belt replacement helps maintain proper lubrication and engine reliability. This OE Match seal is ideal for routine maintenance, engine repairs, and Porsche restoration projects.
What This Product Does:
- Prevents engine oil from leaking around the camshaft or balance shaft.
- Maintains correct engine oil sealing.
- Protects against the ingress of dirt, moisture, and contaminants.
- Helps safeguard timing belt and surrounding engine components from oil contamination.
- Restores the integrity of the engine sealing system.
- Replaces worn, hardened, or leaking original seals.
- Provides an OE-style fit and dependable performance.
Symptoms Of Wear Or Failure:
- Engine oil leaking from the front of the engine.
- Oil contamination on the timing belt or pulleys.
- Oil residue around the camshaft or balance shaft housing.
- Hardened, cracked, or damaged seal.
- Oil spots beneath the vehicle after parking.
- Increased engine oil consumption due to leakage.
- Evidence of oil around the timing covers.
- Age-related deterioration of the original seal.
Why Replacement Matters:
- The camshaft and balance shaft seals play a vital role in maintaining engine oil containment while preventing contaminants from entering the engine. A worn or leaking seal can lead to oil loss, contamination of the timing belt, reduced engine reliability, and, if left unattended, expensive engine damage.
- Replacing the camshaft or balance shaft seal restores effective oil sealing, protects critical engine components, and helps ensure long-term engine reliability. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match seal provides the correct fit, dependable performance, and long-lasting durability, making it an excellent choice for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911328140
19413
99911328140
81-25808-00
812580800
The product you are viewing cross references to these numbers
Price: €15.71
In stock
Vehicle Group
- 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 944S 2.5L 16V 1987-88
- Porsche 944 Turbo 2.5L 8V 1985-88
- 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 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Information
Camshaft / Balance shaft seal flange.
Fits:
Porsche 924S 1987-88
Porsche 928 1978-84
Porsche 944 / 944 Turbo 1983-88
Porsche 968 1992-95
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810513902
The product you are viewing cross references to these numbers
Fits:
Porsche 924S 1987-88
Porsche 928 1978-84
Porsche 944 / 944 Turbo 1983-88
Porsche 968 1992-95
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810513902
92810513902
92810513902
92810513900
92810513901
The product you are viewing cross references to these numbers
Price: €11.84
In stock
Vehicle Group
- 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
Information
Cylinder head plug (Camshaft end)
This OE Match cylinder head plug is a replacement sealing plug used in the engine cylinder head. It is designed to match the original-style fitment and function, helping restore a secure seal where the plug is fitted in the cylinder head assembly.
Fits:
Porsche 928 S2 / S4 / GT / GTS (1985-1995)
Porsche 944 S / S2 (1987-1991)
Porsche 968 (1992-1995)
Diagram ref no 12
The cylinder head plug seals an opening in the cylinder head to help prevent oil, coolant, or pressure loss where applicable. A correctly fitted plug is important for maintaining engine sealing integrity and reliable operation
Functions
• Replaces the cylinder head plug
• Helps seal the cylinder head assembly
• Supports correct engine sealing
• Helps prevent leaks from worn or damaged plugs
• Suitable for cylinder head service or engine rebuild work
• Replaces corroded, loose, damaged, or previously removed plugs
• OE Match replacement for Porsche engine repair.
Why Replace This Part?
Cylinder head plugs can corrode, loosen, leak, become damaged, or require replacement during cylinder head overhaul. A failed or incorrectly sealing plug may cause fluid leakage, pressure loss, contamination, or engine bay residue. Replacing the plug helps restore proper sealing and supports reliable engine operation.
When to Replace This Part
• Cylinder head service or engine rebuild is being carried out
• The original plug is leaking, corroded, loose, or damaged
• The plug has been removed during machining or repair
• Oil or coolant seepage is visible around the plug area
• Engine sealing components are being refreshed
• Preventative replacement is required during restoration
• The vehicle is undergoing Porsche 928, 944, or 968 engine repair.
Where it fits on the car
This plug fits within the engine cylinder head assembly. Exact position can vary depending on model, engine type, and cylinder head layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810521500
The product you are viewing cross references to these numbers
This OE Match cylinder head plug is a replacement sealing plug used in the engine cylinder head. It is designed to match the original-style fitment and function, helping restore a secure seal where the plug is fitted in the cylinder head assembly.
Fits:
Porsche 928 S2 / S4 / GT / GTS (1985-1995)
Porsche 944 S / S2 (1987-1991)
Porsche 968 (1992-1995)
Diagram ref no 12
The cylinder head plug seals an opening in the cylinder head to help prevent oil, coolant, or pressure loss where applicable. A correctly fitted plug is important for maintaining engine sealing integrity and reliable operation
Functions
• Replaces the cylinder head plug
• Helps seal the cylinder head assembly
• Supports correct engine sealing
• Helps prevent leaks from worn or damaged plugs
• Suitable for cylinder head service or engine rebuild work
• Replaces corroded, loose, damaged, or previously removed plugs
• OE Match replacement for Porsche engine repair.
Why Replace This Part?
Cylinder head plugs can corrode, loosen, leak, become damaged, or require replacement during cylinder head overhaul. A failed or incorrectly sealing plug may cause fluid leakage, pressure loss, contamination, or engine bay residue. Replacing the plug helps restore proper sealing and supports reliable engine operation.
When to Replace This Part
• Cylinder head service or engine rebuild is being carried out
• The original plug is leaking, corroded, loose, or damaged
• The plug has been removed during machining or repair
• Oil or coolant seepage is visible around the plug area
• Engine sealing components are being refreshed
• Preventative replacement is required during restoration
• The vehicle is undergoing Porsche 928, 944, or 968 engine repair.
Where it fits on the car
This plug fits within the engine cylinder head assembly. Exact position can vary depending on model, engine type, and cylinder head layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810521500
94410525900
92810521500
The product you are viewing cross references to these numbers
Price: €4.52
In stock