Please wait… 
Please wait while we process your order,
do not press the back button…
do not press the back button…
Sub5Club Store
https://pitp.club
https://pitp.club
https://pitp.club
-
Engine Parts
-
- Engine Cooling Coolant Hoses and Pipes (Front engine cars) Coolant Hoses and Pipes (Rear engine cars) Water / Coolant Radiators Track & Race Coolant Radiators Water / Coolant Pumps Coolant Bottles / Expansion Tanks Thermostat / Temperature Sensor Oil Radiators / Heat Exchangers Oil System & Pipes Oil Tank Air cooling parts All Categories
-
- Engine Rebuild Parts Intermediate shaft (IMS) Oil System Parts Fuel System Parts Gaskets & Sets Radial Seal / RMS / Camshaft / Balance shaft Belts / Tensioners / Rollers Chains & Tensioners Timing covers and gaskets Engine Bearings / Shells Engine Valves / Guides / Springs Rocker Arms & Tappets Engine Bolts / Studs Engine Mounts Piston Rings Engine Cylinders / Liners / Pistons Connecting Rod Cylinder Head / Camshaft Carrier Camshaft covers / Gaskets Camshafts Camshaft gears / sprockets and fixings Crankcase Parts Crankshaft & Parts All Categories
-
-
Brakes
-
- Brakes Brake Pads & Disc Package SPORTS Brake Pads & Disc Package Brake Pads Packages Brake Disc Standard Brake Pads Standard SPORTS Brake Disc Brembo Standard brakes Brembo Racing brakes TEXTAR Brakes PAGID Racing Brakes Manthey Racing Brake Pads Zimmermann Brakes Performance Friction Brakes Giro Slotted Brake Disc Wilwood Disc Brakes SHW Performance Brakes EBC Brakes Black Diamond Performance Brakes O-Brake Brake Discs Surface Transforms Ceramic Brakes Rotinger Graphite Line Replacement for Ceramic Disc All Categories
-
-
Suspension & Steering
-
Transmission
-
- Gearbox / Transmission Clutch Kits Clutch Kits - High Performance Clutch Friction Plate Clutch Pressure Plate Clutch Release Bearings Clutch Cables & Parts Clutch Guide Tube Clutch Ring Gear Clutch Forks & Levers Clutch Bolts Gearbox Parts Driveshafts & Parts Gasket Sets / Gaskets / Seals / Lock Nuts Gearbox Mounts Gearshift Control Parts Flywheel / Torque CV Joints Kits CV Boots and Kits Cardan Shaft / Prop Shaft Transmission Parts Gearbox / Differential Oil Gearbox Sump / Oil Pan All Categories
-
-
Cooling & Heating
-
- Heating / Air Conditioning Air con condensers & desiccators Air con evaporators & expansion valves Air con pipes Air con belts Fans & cowlings Relays / Sensors / Resistors Compressors Heater flaps Blower Motors & Fans Heater blowers Heater hoses & pipes Heat Exchanger Heater cables Vents / Grilles Climate Control Temperature Sensors / Switches Heating / Air conditioning Housings Auxiliary coolant pump
-
-
Electrical & Lighting
-
- Electrical & Relays Fuel Pumps Brake Light Switch Brake & Clutch Switch Hazard Warning Switch Handbrake Switch Reverse Light Switch Headlamp Switch Window Switch Window Motors Window Mechanism Wiper Motor Wiper Mechanism Electric Horn SmartTop Control Units Ignition Switch Seat Switch Indicator / Wiper Stalk Switch Roof / Sun Roof Switch Relays / Fuses Washer pumps / bottles / jets Alarms / Security / Central Locking Electronic Control Units All Categories
-
-
Body & Exhaust
-
- Chassis / Bodywork Restoration Chassis / Repair Panels Front Lid Damper Rear Lid Damper Bonnets / Locks & Latches Boots / Rear Lid / Locks and Latches Rear lid / Tailgate Bumpers Front Bumpers Rear Door Handles | Locks | Keys Door Panels | Hinges | Striker Plates Window Lifters | Motors Wings Front & Parts Wings Rear & Parts Side Sill Panels Exterior Chassis Mouldings Mirrors & Parts Stone Chip Foils / Stickers Undertrays Chassis & Engine Front Wiper Arms & Blades Rear Wiper Arms & Blades Wheel Arch Liners & Covers Roof - Cabrio / Targa / Coupe / Speedster All Categories
-
-
Exhausts
Standard Silencers / Mufflers
Sport Silencers / Mufflers
Switchable Silencers / Mufflers
Exhaust for Body Conversion
1 IN / 1 OUT
Standard Silencers 1 IN / 1 OUT
Sports Silencers 1 IN / 2 OUT
Sports Silencers 2 IN / 1 OUT
Standard Silencers 2 IN / 1 OUT
Sport Silencers 2 IN / 2 OUT
Standard Silencers 2 IN / 2 OUT
Sport Silencers All Categories
-
Exhausts
Standard Silencers / Mufflers
Sport Silencers / Mufflers
Switchable Silencers / Mufflers
Exhaust for Body Conversion
1 IN / 1 OUT
-
-
Lubricants & Fluids
-
- Service Parts Service Kits Service Kits OE Parts Oil Filters Air Filters Pollen/Particle Filters Fuel Filters Belts All Types Spark Plugs IRIDIUM POWER Spark Plugs IRIDIUM RACING Spark Plugs Ignition Coils Front Wiper Arms & Blades Rear Wiper Arms & Blades Gearbox Service Parts Porsche Classic Motor oil Engine Oil & Lubricants - Mobil Engine Oil & Lubricants - Total Engine Oil & Lubricants - Castrol Engine Oil & Lubricants - Motul Engine Oil & Lubricants - Millers Oils NanoDrive Engine Oil & Lubricants - Millers Oils Fuel Additives All Categories
-
-
All Parts
-
- Parts Accessories Chassis / Bodywork Brakes Clothing & Gifts Electrical & Relays Engine Cooling Engine Electrical Engine Rebuild Parts Engine Tuning Exhausts Exterior Styling / Spoilers Gearbox / Transmission Heating / Air Conditioning Hydraulics Interior & Accessories Incar / Multimedia Lighting Mats & Carpets Motorsport and Off-Road Parts for Other Cars Pedal Cluster Rubber Seals All Categories
-
- Back to main website
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.
Category Filter
Porsche
>
Engine Rebuild Parts
>
Chains & Tensioners
>
Chain housing O-ring. Porsche 964 / 993 ❭ 99970728840
Chain housing O-ring. Porsche 964 / 993 - 99970728840
99970728840/1
Vehicle Group
- 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 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Information
Chain housing O-ring, 6 x 2.5 mm
OE Match chain housing O-ring for Porsche 964 and 993 models from 1989 to 1998. This replacement sealing O-ring helps prevent oil leaks around the timing chain housing area and supports correct engine sealing during service or rebuild work.
Sold individually, 2 required per vehicle
Fits:
Porsche 964 1989 - 1994
Porsche 993 1994 - 1998
Diagram ref no 22
The chain housing O-ring seals the chain housing connection to help prevent engine oil seepage or leakage. A correctly fitted O-ring supports clean engine operation, oil system integrity, and reliable sealing around the timing chain area.
Functions
• Replaces the chain housing O-ring
• Helps seal the timing chain housing area
• Supports correct engine oil sealing
• Helps prevent oil leaks and seepage
• Suitable for timing chain housing, engine sealing, or rebuild service
• Replaces hardened, flattened, cracked, swollen, or damaged
• O-rings OE Match replacement for Porsche 964 and 993 engine repair.
Why Replace This Part?
Chain housing O-rings are exposed to engine heat, oil pressure, age, vibration, and repeated heat cycles. Over time, the O-ring can harden, flatten, crack, swell, or lose its sealing ability. A worn or damaged O-ring may cause oil residue, oil drips, engine bay contamination, low oil level concerns, or failed inspection. Replacing the O-ring helps restore proper sealing and prevent repeat oil leaks.
When to Replace This Part
• Oil is leaking around the chain housing area
• Timing chain housing service is being carried out
• Engine rebuild or resealing work is in progress
• The original O-ring is hardened, flattened, cracked, swollen, or damaged
• Oil residue is visible around the timing chain cover or housing
• Preventative replacement is required during engine service
• The vehicle is undergoing Porsche 964 or 993 engine restoration.
Where it fits on the car
This O-ring fits within the engine timing chain housing assembly on Porsche 964 and 993 models. It forms part of the engine oil sealing system around the chain housing area.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970728840
The product you are viewing cross references to these numbers
OE Match chain housing O-ring for Porsche 964 and 993 models from 1989 to 1998. This replacement sealing O-ring helps prevent oil leaks around the timing chain housing area and supports correct engine sealing during service or rebuild work.
Sold individually, 2 required per vehicle
Fits:
Porsche 964 1989 - 1994
Porsche 993 1994 - 1998
Diagram ref no 22
The chain housing O-ring seals the chain housing connection to help prevent engine oil seepage or leakage. A correctly fitted O-ring supports clean engine operation, oil system integrity, and reliable sealing around the timing chain area.
Functions
• Replaces the chain housing O-ring
• Helps seal the timing chain housing area
• Supports correct engine oil sealing
• Helps prevent oil leaks and seepage
• Suitable for timing chain housing, engine sealing, or rebuild service
• Replaces hardened, flattened, cracked, swollen, or damaged
• O-rings OE Match replacement for Porsche 964 and 993 engine repair.
Why Replace This Part?
Chain housing O-rings are exposed to engine heat, oil pressure, age, vibration, and repeated heat cycles. Over time, the O-ring can harden, flatten, crack, swell, or lose its sealing ability. A worn or damaged O-ring may cause oil residue, oil drips, engine bay contamination, low oil level concerns, or failed inspection. Replacing the O-ring helps restore proper sealing and prevent repeat oil leaks.
When to Replace This Part
• Oil is leaking around the chain housing area
• Timing chain housing service is being carried out
• Engine rebuild or resealing work is in progress
• The original O-ring is hardened, flattened, cracked, swollen, or damaged
• Oil residue is visible around the timing chain cover or housing
• Preventative replacement is required during engine service
• The vehicle is undergoing Porsche 964 or 993 engine restoration.
Where it fits on the car
This O-ring fits within the engine timing chain housing assembly on Porsche 964 and 993 models. It forms part of the engine oil sealing system around the chain housing area.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970728840
99970728840
The product you are viewing cross references to these numbers
Price: £1.05
In stock
Back to top
You have been successfully signed up to our mailing list
We're happy to help!
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed
© 2026 Sub5Club Store. All rights reserved. | Powered by Datadial
Price Match Guarantee
Worldwide Delivery
12 Month Warranty