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Porsche // 356 (1950-1965) // 356 1950-55
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- 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 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 1969-75
Porsche 911 turbo 1975-77
Porsche 911 turbo 1978-86
for 4 bolt driveshaft type
The CV joint (Constant Velocity Joint) rubber boot is located at each end of the axle assembly and protects the CV Joint. if the boot is split this can cause further damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90133229312
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Rear Axle Boot Kit
Sold each - 2 required per car
Protect the rear driveline of your classic Porsche with this
Rear Axle Boot Kit. This high-quality axle
boot kit seals the rear swing axle assembly, preventing dirt, water and road
debris from entering while retaining the essential gearbox oil that lubricates
the axle components. Manufactured from durable, oil-resistant rubber, it offers
excellent flexibility and long service life, making it ideal for routine
maintenance, restorations or gearbox repairs.
Fits:
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Replacing worn axle boots before they fail helps protect expensive transmission components and ensures reliable performance for years to come.
What Does the Rear Axle Boot Do?
The rear axle boot forms a flexible seal around the swing axle, allowing the suspension to move freely while preventing gearbox oil from escaping and contaminants from entering the axle housing.
Its key functions include:
- Retaining gearbox lubricant
- Preventing dirt and water entering the axle assembly
- Protecting internal driveline components
- Allowing full suspension movement without compromising the seal
A sound axle boot is essential for maintaining the reliability of the rear transmission assembly.
Why Do Rear Axle Boots Fail?
Axle boots are constantly exposed to heat, oil, road dirt and continual suspension movement. Over time, the rubber naturally hardens and deteriorates.
Common causes of failure include:
- Age-related cracking
- Heat and oil contamination
- Rubber hardening
- Splits caused by repeated flexing
- Damage from road debris
- Incorrect installation or overtightened clips
Once the boot splits, gearbox oil can leak out while dirt and moisture enter the axle housing, accelerating wear of internal components.
When Should They Be Replaced?
Replacement is recommended if the boot shows any signs of
deterioration, including:
- Cracks or splits
- Oil leaks around the axle
- Perished or hardened rubber
- Loose or damaged retaining clips
- During gearbox or rear suspension repairs
- As preventative maintenance during a restoration
Replacing a worn axle boot early is considerably less expensive than repairing damage caused by lubricant loss or contamination.
Porsche 356 Transmission & Driveline Components
The rear axle boots are among the hardest-working rubber components on a classic Porsche 356. Constant suspension movement and exposure to heat and oil eventually cause the original boots to crack, allowing lubricant to escape and contaminants to enter the driveline.
Replacing axle boots as part of routine maintenance or during gearbox servicing helps preserve the condition of expensive transmission components while ensuring reliable operation and preventing unnecessary oil leaks.
OE Match driveline components provide factory-style fitment and dependable performance, making them an excellent choice for both road cars and concours restorations.
Benefits of Replacing the Rear Axle Boot Kit
- Prevents gearbox oil leaks
- Protects internal driveline components
- Keeps dirt and moisture out
- Restores the integrity of the axle seal
- Helps extend transmission life
- Ideal for restoration and preventative maintenance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
8153600310
The product you are viewing cross references to these numbers