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.
Fluid Hoses & Pipes
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- 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 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Porsche ATF Reservoir Cap Seal – Automatic Transmission Filler Neck Seal
High-quality replacement seal for the automatic transmission fluid (ATF) reservoir cap.
This seal fits the screw cap of the transmission filler
neck, ensuring a secure and leak-free seal to maintain proper fluid containment
and system integrity.
Fits:
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- 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 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 9
Manufactured to OEM specifications, this component is essential for preventing fluid leaks, maintaining correct pressure, and ensuring reliable transmission performance.
Key Features
• Direct replacement ATF reservoir cap seal
• Designed for automatic transmission filler neck
• OEM-style fit and function
• Helps prevent fluid leaks and contamination
• Durable material for long-term performance
• Essential maintenance component
Function and Purpose
The ATF cap seal ensures a tight seal between the filler neck and cap, helping to maintain proper transmission operation.
It helps to:
• Prevent transmission fluid leaks
• Maintain system pressure and cleanliness
• Protect against dirt and contamination
• Support long-term gearbox reliability
Why Replace Your ATF Cap Seal
Over time, seals can degrade due to heat, fluid exposure, and age.
Common issues include:
• Fluid leaks around the filler cap
• Hardened or cracked seal material
• Loss of sealing performance
• Contamination risk
Replacing the seal ensures continued reliability and proper transmission function.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477321483A
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- 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 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Porsche ATF Reservoir Cap Seal – Automatic Transmission Filler Neck Seal
High-quality replacement seal for the automatic transmission fluid (ATF) reservoir cap.
This seal fits the screw cap of the transmission filler
neck, ensuring a secure and leak-free seal to maintain proper fluid containment
and system integrity.
Fits:
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- 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 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 9
Manufactured to OEM specifications, this component is essential for preventing fluid leaks, maintaining correct pressure, and ensuring reliable transmission performance.
Key Features
• Direct replacement ATF reservoir cap seal
• Designed for automatic transmission filler neck
• OEM-style fit and function
• Helps prevent fluid leaks and contamination
• Durable material for long-term performance
• Essential maintenance component
Function and Purpose
The ATF cap seal ensures a tight seal between the filler neck and cap, helping to maintain proper transmission operation.
It helps to:
• Prevent transmission fluid leaks
• Maintain system pressure and cleanliness
• Protect against dirt and contamination
• Support long-term gearbox reliability
Why Replace Your ATF Cap Seal
Over time, seals can degrade due to heat, fluid exposure, and age.
Common issues include:
• Fluid leaks around the filler cap
• Hardened or cracked seal material
• Loss of sealing performance
• Contamination risk
Replacing the seal ensures continued reliability and proper transmission function.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477321483A
The product you are viewing cross references to these numbers
Porsche Gearbox Fluid Hoses & Pipes - Critical Lines for Cooling & Lubrication
Porsche gearbox fluid hoses and pipes are essential components that transport transmission oil, coolant, and hydraulic fluids between the gearbox, oil coolers, control valves, and related systems. By maintaining correct fluid flow and pressure, these hoses and pipes ensure smooth gear changes, stable operating temperatures, and long-term gearbox reliability.
Available from Design911, gearbox fluid hoses and pipes are supplied to OEM specifications, making them ideal for routine maintenance, leak repairs, and complete gearbox or cooling system overhauls.
What Do Porsche Gearbox Fluid Hoses & Pipes Do?
These components form the fluid delivery network of the gearbox system.
Core Functions:
- Carry transmission oil and coolant to key gearbox components
- Maintain correct fluid pressure and flow rates
- Support gearbox cooling and lubrication
- Protect internal parts from heat and friction damage
- Enable reliable operation of valves, coolers, and actuators
Properly functioning hoses and pipes are vital for drivetrain performance and longevity.
Why Do Gearbox Fluid Hoses & Pipes Fail?
Gearbox fluid lines operate in harsh environments and degrade over time.
Common Causes of Failure:
- Heat cycling causing rubber hoses to harden or crack
- Corrosion in metal pipes from age or contaminated fluids
- Oil or coolant leaks at seals and joints
- Vibration-related fatigue and chafing
- Pressure increases from blocked coolers or valves
Failure often leads to fluid loss, overheating, poor shifting, or gearbox damage.
When Should Gearbox Fluid Hoses & Pipes Be Replaced?
Porsche gearbox fluid hoses and pipes should be inspected
and replaced if any of the following are present:
- Visible oil or coolant leaks
- Cracked, swollen, or brittle hose sections
- Repeated low fluid warnings
- Gearbox overheating or inconsistent shifting
- During gearbox rebuilds or cooling system servicing
Preventative replacement helps avoid sudden fluid loss and costly transmission repairs.
Highlights
- Essential Porsche gearbox fluid delivery components
- Supports cooling, lubrication, and pressure control
- OEM-spec fitment for reliable installation
- Suitable for road, fast-road, and performance applications
- Helps protect gearbox internals and extend service life
-
Clutch Kits
-
Clutch Friction Plate
-
Clutch Pressure Plate
-
Clutch Release Bearings
-
Clutch Guide Tube
-
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
-
Gearbox / Differential Oil
-
Gearbox Sump / Oil Pan
-
Rear Differential
-
Sensors
-
Transmission Cooling
