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- 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
Rear Suspension Bearing Pin - fits Left or Right Hand Side
Restore the integrity and serviceability of your Porsche 928
rear suspension with this Rear Suspension Bearing Pin.
Fits:
- 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 17
Suitable for all Porsche 928 model years from 1978 to 1995,
including the highly desirable GTS models, this suspension bearing pin forms a
critical mounting point within the rear suspension assembly. It is the primary
fixing bolt that secures the rear shock absorber to the rear axle wheel carrier
and plays an essential role in maintaining suspension geometry, stability and
ride quality.
What Does the Rear Suspension Bearing Pin Do?
The rear suspension bearing pin acts as the main fixing point between the rear shock absorber and the rear suspension carrier assembly.
Its primary functions include:
- Securing the rear shock absorber
- Maintaining suspension alignment
- Supporting suspension movement
- Helping control wheel motion
- Preserving ride quality
- Supporting vehicle stability
- Maintaining safe suspension operation
Without a correctly fitted and structurally sound bearing pin, the rear suspension cannot function as designed.
Why Do Rear Suspension Bearing Pins Fail?
Although manufactured from high-strength steel, these bolts are exposed to decades of road use and harsh environmental conditions.
Common causes of deterioration include:
- Corrosion from water and road salt
- Galvanic corrosion between suspension components
- Long-term moisture exposure
- Seizure within the suspension carrier
- Thread damage during removal
- Age-related deterioration
- Previous incorrect installation
- Suspension refurbishment work
Many original bolts become heavily corroded, often making removal extremely difficult during suspension repairs.
Common Problems During Removal
On many Porsche 928 models, including low-mileage and well-maintained vehicles, the original bearing pin can become seized within the rear wheel carrier and shock absorber mounting.
In severe cases:
- The bolt may be impossible to remove conventionally
- The shock absorber lower mount may need cutting away
- Corroded hardware may require grinding off
- Hydraulic pressing equipment may be needed to remove the seized pin
- Replacement hardware becomes essential during reassembly
This is why replacement bearing pins are commonly fitted whenever rear suspension refurbishment or shock absorber replacement is carried out.
Symptoms of a Worn or Damaged Bearing Pin
Potential warning signs include:
- Corrosion visible on the bolt
- Damaged threads
- Suspension looseness
- Difficulty tightening to specification
- Excessive wear during inspection
- Movement within the mounting point
- Signs of previous corrosion damage
Even if no symptoms are present, heavily corroded original hardware should be replaced during suspension work.
When Should the Rear Suspension Bearing Pin Be Replaced?
Replacement is recommended when:
- Replacing rear shock absorbers
- Restoring rear suspension components
- Corrosion is present
- Removing seized original hardware
- Performing preventative maintenance
- Carrying out a full suspension rebuild
- Restoring a Porsche 928 to factory condition
Most Porsche specialists replace these bolts as a matter of course whenever the rear shocks are removed.
Why Replacement Matters
Replacing ageing suspension hardware helps ensure long-term reliability and ease of future servicing.
Benefits include:
- Improved corrosion resistance
- Reliable suspension mounting
- Correct factory fitment
- Improved serviceability
- Enhanced safety
- Long-term durability
- Professional restoration quality
- Reduced future maintenance issues
The galvanised finish provides excellent protection against corrosion, helping the new bearing pin remain serviceable for years to come.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92833164101
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- 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
- 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
Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components
Fits:
Porsche 924 1976-88
Porsche 944 1986-91
Porsche 968 1992-95
Diagram Ref no 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-220
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- 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
- 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 standard replacement suspension bush.
Fits:
Porsche 924 1976-88
Porsche 944 1982-91
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477501069A
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- 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
- 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
Sold each - fits left and right hand side
Fits:
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-89
Porsche 968 1992-95
This product supersedes Porsche's old part numbers:
- 477501089
- 95133308832
- 95133308830
Diagram ref no. 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95133308832
The product you are viewing cross references to these numbers