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Socket head nut for camshaft housing M8. Porsche 911 1965-98 - 90111127101
90111127101/1
Vehicle Group
- 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) 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 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) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 914 (1970-1976)
Information
Socket Head Nut For Camshaft Housing M8.
Ensure the secure assembly of your classic Porsche engine with this OE Match Socket Head Nut for Camshaft Housing M8, manufactured as a direct replacement. Produced to OE-style specifications, this precision-engineered fastener is designed to securely retain the camshaft housing, helping maintain the correct clamping force required for reliable engine operation.
Fits:
Diagram Ref No 24
Engine fasteners are subjected to continual heat cycles, vibration, and mechanical stress. Over time, original nuts can become corroded, suffer thread damage, or lose their ability to maintain the correct torque. This OE Match replacement restores the original specification and is ideal for engine rebuilds, repairs, and preventative maintenance.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90111127101
The product you are viewing cross references to these numbers
Ensure the secure assembly of your classic Porsche engine with this OE Match Socket Head Nut for Camshaft Housing M8, manufactured as a direct replacement. Produced to OE-style specifications, this precision-engineered fastener is designed to securely retain the camshaft housing, helping maintain the correct clamping force required for reliable engine operation.
Fits:
- 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) 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 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) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 914 (1970-1976)
Diagram Ref No 24
Engine fasteners are subjected to continual heat cycles, vibration, and mechanical stress. Over time, original nuts can become corroded, suffer thread damage, or lose their ability to maintain the correct torque. This OE Match replacement restores the original specification and is ideal for engine rebuilds, repairs, and preventative maintenance.
What This Product Does:
- Secures the camshaft housing to the engine assembly.
- Maintains the correct clamping force on the camshaft housing.
- Helps ensure an effective seal between mating components.
- Resists loosening caused by engine vibration.
- Supports reliable engine assembly and operation.
- Restores the original factory specification.
- Replaces worn, damaged, or corroded original fasteners.
Symptoms Of Wear Or Failure:
- Corroded or rusted fasteners.
- Rounded or damaged socket head.
- Stripped or damaged threads.
- Nut failing to achieve the correct torque.
- Signs of previous overtightening or stretching.
- Loose camshaft housing fasteners.
- Oil seepage around the camshaft housing due to reduced clamping force.
- Missing hardware following engine repairs.
- Visible wear or mechanical damage.
- Fasteners showing signs of fatigue after repeated use.
Why Replacement Matters:
- The camshaft housing relies on correctly torqued fasteners to maintain alignment and provide an even clamping load across the sealing surfaces. Worn, damaged, or corroded nuts can compromise this clamping force, potentially leading to oil leaks, reduced reliability, or costly engine damage.
- Replacing ageing fasteners with OE Match components helps ensure the camshaft housing remains securely fastened and maintains the correct sealing pressure. Manufactured to OE-style specifications, this M8 socket head nut provides the correct fit, dependable performance, and factory-quality finish, making it an essential component during engine maintenance, repairs, or full restoration of your classic Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90111127101
90111127101
The product you are viewing cross references to these numbers
Price: £2.95
In stock
Related products
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Push Rod Tube, Stainless Steel.
Maintain the integrity of your Porsche's valve train and lubrication system with this OE Match Stainless Steel Push Rod Tube, manufactured as a direct replacement. Produced to OE-style specifications, this stainless steel push rod tube provides a durable housing for the push rods while creating a sealed passage between the engine crankcase and cylinder head, helping to prevent oil leaks and protect vital engine components.
Fits:
Diagram Ref No 25
Unlike original mild steel tubes that can corrode over time, this stainless steel version offers increased resistance to rust and long-term deterioration, making it particularly well suited to rebuilt engines and restoration projects. Exposure to heat cycles, corrosion, vibration, and age can cause original push rod tubes to rust, deform, or leak, resulting in oil loss and contamination. Replacing worn or damaged tubes restores the correct sealing of the valve train and helps ensure reliable engine operation. This OE Match component is ideal for routine maintenance, engine rebuilds, 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.
PCG10523101
The product you are viewing cross references to these numbers
Maintain the integrity of your Porsche's valve train and lubrication system with this OE Match Stainless Steel Push Rod Tube, manufactured as a direct replacement. Produced to OE-style specifications, this stainless steel push rod tube provides a durable housing for the push rods while creating a sealed passage between the engine crankcase and cylinder head, helping to prevent oil leaks and protect vital engine components.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram Ref No 25
Unlike original mild steel tubes that can corrode over time, this stainless steel version offers increased resistance to rust and long-term deterioration, making it particularly well suited to rebuilt engines and restoration projects. Exposure to heat cycles, corrosion, vibration, and age can cause original push rod tubes to rust, deform, or leak, resulting in oil loss and contamination. Replacing worn or damaged tubes restores the correct sealing of the valve train and helps ensure reliable engine operation. This OE Match component is ideal for routine maintenance, engine rebuilds, repairs, and Porsche restoration projects.
What This Product Does:
- Houses and protects the engine push rods.
- Provides a sealed passage between the crankcase and cylinder head.
- Helps prevent engine oil leaks.
- Protects the valve train from dirt and contamination.
- Offers improved corrosion resistance compared to standard steel tubes.
- Replaces rusted, damaged, or leaking original push rod tubes.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Engine oil leaking from the push rod tubes.
- Rust or corrosion on the original tubes.
- Dented or distorted tube bodies.
- Damaged or leaking tube seals.
- Oil contamination around the cylinder barrels.
- Visible deterioration caused by age or heat.
- Oil staining beneath the engine.
- Excessive wear discovered during engine overhaul.
Why Replacement Matters:
- The push rod tube plays a vital role in protecting the push rods while maintaining a sealed oil passage between the engine crankcase and cylinder head. A corroded or leaking tube can result in persistent oil leaks, contamination of the valve train, and unnecessary oil loss, reducing engine cleanliness and reliability.
- Replacing worn push rod tubes with this stainless steel version restores proper sealing while providing improved corrosion resistance for long-term durability. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match stainless steel push rod tube offers the correct fit, dependable quality, and extended service life, making it an excellent choice for Porsche maintenance, engine rebuilds, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG10523101
61610523100
PCG10523100
PCG10523101
The product you are viewing cross references to these numbers
Price: £14.10
In stock
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Improved Cylinder Head Cover Gasket.
Valve cover gasket, improved design made of cork / rubber composite with a steel core, no adhesive necessary.
Set of 2.
Restore a dependable oil seal between the cylinder head and rocker cover with this OE Match Improved Cylinder Head Cover Gasket, manufactured as a direct replacement. Produced to OE-style specifications, this upgraded gasket is designed to provide an improved seal compared to conventional gasket materials, helping to minimise oil leaks while maintaining correct sealing under varying engine temperatures and operating conditions. Manufactured from durable, high-quality materials, it is ideal for routine servicing, engine rebuilds, and classic Porsche restoration.
Fits:
Diagram Ref No 23
The cylinder head cover gasket prevents engine oil from escaping the valve train area while protecting the engine from dirt and moisture entering the cylinder head. Over time, original gaskets can harden, shrink, crack, or become compressed due to continual heat cycling and age, leading to oil leaks and reduced sealing performance. Replacing the gasket with this improved OE Match version restores an effective oil-tight seal, making it an excellent choice for Porsche maintenance, repairs, and 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.
61610495101
The product you are viewing cross references to these numbers
Valve cover gasket, improved design made of cork / rubber composite with a steel core, no adhesive necessary.
Set of 2.
Restore a dependable oil seal between the cylinder head and rocker cover with this OE Match Improved Cylinder Head Cover Gasket, manufactured as a direct replacement. Produced to OE-style specifications, this upgraded gasket is designed to provide an improved seal compared to conventional gasket materials, helping to minimise oil leaks while maintaining correct sealing under varying engine temperatures and operating conditions. Manufactured from durable, high-quality materials, it is ideal for routine servicing, engine rebuilds, and classic Porsche restoration.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram Ref No 23
The cylinder head cover gasket prevents engine oil from escaping the valve train area while protecting the engine from dirt and moisture entering the cylinder head. Over time, original gaskets can harden, shrink, crack, or become compressed due to continual heat cycling and age, leading to oil leaks and reduced sealing performance. Replacing the gasket with this improved OE Match version restores an effective oil-tight seal, making it an excellent choice for Porsche maintenance, repairs, and restoration projects.
What This Product Does:
- Creates an oil-tight seal between the cylinder head and rocker cover.
- Prevents engine oil leaks from the valve train area.
- Helps keep dirt, dust, and moisture out of the engine.
- Maintains reliable sealing during repeated heat cycles.
- Replaces hardened, cracked, or compressed original gaskets.
- Supports clean and efficient engine operation.
- Provides an OE-style fit for straightforward installation.
Symptoms Of Wear Or Failure:
- Oil leaking from around the cylinder head cover.
- Oil residue on the engine or heat exchangers.
- Burning oil smell after driving.
- Visible cracks or hardening of the gasket.
- Oil weeping around the rocker cover fixing points.
- Gasket compression or distortion during servicing.
- Oil leaks identified during routine maintenance or engine overhaul.
Why Replacement Matters:
- The cylinder head cover gasket plays a vital role in containing engine oil within the valve train while preventing contaminants from entering the cylinder head. As the gasket deteriorates with age and repeated heat cycles, oil leaks can develop, resulting in messy engine bays, unpleasant burning oil odours, reduced lubrication efficiency, and contamination of surrounding engine components.
- Replacing a worn gasket with this improved OE Match version restores a reliable oil seal, helping to maintain a clean engine, preserve correct oil levels, and reduce the risk of future leaks. Manufactured as a direct replacement and produced to OE-style specifications, this improved cylinder head cover gasket offers dependable fit, sealing performance, and durability for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610495101
61610495100
61610495101
NLA-104-951-00
The product you are viewing cross references to these numbers
Price: £38.95
In stock
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356C 1963-65
Information
Valve Cover Retaining Spring (Bail).
Secure your Porsche valve cover correctly with this OE Match Valve Cover Retaining Spring (Bail), manufactured as a direct replacement. Produced to OE-style specifications, this retaining spring is engineered to apply the correct clamping force to the valve cover, ensuring the gasket remains evenly compressed against the cylinder head to maintain a reliable oil-tight seal. Manufactured from durable spring steel for long service life, it is an ideal replacement during routine servicing, engine repairs, or restoration work.
Sold Each. x2 Required Per Car.
Fits:
Diagram Ref No 3
Over time, the original retaining spring can lose tension through repeated heat cycles, corrosion, fatigue, or incorrect removal and installation. A weakened or distorted spring may allow the valve cover to move, reducing gasket compression and increasing the likelihood of oil leaks. Replacing the retaining spring restores the correct clamping pressure, helping to maintain effective sealing and reliable engine operation. This OE Match component is ideal for Porsche maintenance, repairs, and 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.
36904240
The product you are viewing cross references to these numbers
Secure your Porsche valve cover correctly with this OE Match Valve Cover Retaining Spring (Bail), manufactured as a direct replacement. Produced to OE-style specifications, this retaining spring is engineered to apply the correct clamping force to the valve cover, ensuring the gasket remains evenly compressed against the cylinder head to maintain a reliable oil-tight seal. Manufactured from durable spring steel for long service life, it is an ideal replacement during routine servicing, engine repairs, or restoration work.
Sold Each. x2 Required Per Car.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356C 1963-65
Diagram Ref No 3
Over time, the original retaining spring can lose tension through repeated heat cycles, corrosion, fatigue, or incorrect removal and installation. A weakened or distorted spring may allow the valve cover to move, reducing gasket compression and increasing the likelihood of oil leaks. Replacing the retaining spring restores the correct clamping pressure, helping to maintain effective sealing and reliable engine operation. This OE Match component is ideal for Porsche maintenance, repairs, and restoration projects.
What This Product Does:
- Secures the valve cover firmly to the cylinder head.
- Applies consistent clamping pressure to the valve cover gasket.
- Helps maintain an oil-tight seal around the valve train.
- Prevents movement of the valve cover during engine operation.
- Replaces weakened, corroded, or distorted retaining springs.
- Supports reliable engine sealing and leak prevention.
- Provides an OE-style fit for straightforward installation.
Symptoms Of Wear Or Failure:
- Oil leaks around the valve cover.
- Loose or poorly secured valve cover.
- Reduced tension in the retaining spring.
- Corrosion, cracking, or distortion of the spring.
- Uneven gasket compression.
- Oil residue on the cylinder head or heat exchangers.
- Damage identified during engine servicing or valve adjustment.
Why Replacement Matters:
- The valve cover retaining spring is a simple but essential component that provides the clamping force required to keep the valve cover securely in place and maintain consistent compression of the gasket. If the spring loses its tension or becomes damaged, the valve cover can shift slightly during engine operation, allowing oil to escape and reducing the effectiveness of the gasket seal.
- Replacing a worn retaining spring restores the correct clamping pressure, helping to prevent oil leaks, maintain a clean engine, and ensure long-term sealing performance. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Valve Cover Retaining Spring delivers reliable fit, durability, and performance for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
36904240
36904240
NLA-04-240
The product you are viewing cross references to these numbers
Price: £31.50
In stock
Vehicle Group
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Stainless Steel Protective Tube for Push Rod
Sold each
The OE Match Stainless Steel Push Rod Protective Tube is a
replacement engine component for compatible Porsche 356 models.
Fits:
Porsche 356 1950-55
Porsche 356A 1955-59
Porsche 356B 1959-63
Porsche 356C 1963-65
Diagram ref no 8
Manufactured from stainless steel for improved corrosion resistance, this tube protects the engine's push rod while forming part of the oil containment system.
Over time, original tubes can corrode, become damaged or develop leaks, making replacement important during engine maintenance or restoration.
What Does It Do?
The protective tube encloses the push rod between the engine crankcase and cylinder head area, protecting the valve train components while helping contain engine oil.
Why Does It Fail?
Common causes include:
- Corrosion and age-related deterioration
- Damage during engine repairs
- Distortion or cracking
- Deteriorated sealing rings
- Incorrect installation
When Should It Be Replaced?
Replace the tube if you notice:
- Oil leaks around the push rod tube
- Visible corrosion or damage
- Cracks or deformation
- Deterioration during engine rebuilding
Checks & Diagnosis
Inspect the tube for corrosion, damage and oil leakage.
Check the associated sealing rings, as worn seals can cause leaks even when the
tube remains serviceable.
Installation Notes
Inspect the tube mounting surfaces and replace the associated sealing rings where necessary. Ensure correct positioning and sealing during installation to prevent oil leaks.
Porsche 356 Push Rod Tubes & Engine Restoration Parts
The Porsche 356 air-cooled engine uses protective tubes to enclose the push rods and help retain engine oil within the valve train assembly.
These OE Match stainless steel protective tubes provide a corrosion-resistant replacement for compatible Porsche 356 engines, helping maintain reliable sealing and original engine operation.
Design911 supplies Porsche 356 push rod tubes, sealing rings, valve train components and associated classic Porsche engine restoration parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610523101
61610523101
The product you are viewing cross references to these numbers
Price: £15.50
In stock