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Rear Trailing Arm
By OE Match
- 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 OE Match Rear Suspension Bearing Pin.
Manufactured to original Porsche specifications and finished with a durable
galvanised coating for long-term corrosion protection, this replacement bearing
pin is supplied complete with two new fixing nuts for a professional-quality
installation.
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 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
1 Required per side, Price is each
Fits:
Porsche 928 1978-1995
The Porsche 928 lower rear arm can now, finally be renovated with our newly produced rocker arm bar.
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92833108500
The product you are viewing cross references to these numbers
- 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
2x silent bloc, 1x connecting hose.

Fits:
Porsche 928 1978-95
Click 'Zoom in' for large parts diagram.
Fits to number 12 on diagrams.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92833108500
The product you are viewing cross references to these numbers
OEMatch Rear Trailing Arm — Control, Stability, Comfort
Rear trailing arms locate the rear wheel assembly and control fore-aft movement while maintaining alignment and geometry. For Porsche models these parts are essential to handling, stability and tyre wear. OEMatch supplies rear trailing arm items selected for Porsche applications and restoration tasks.
Available Types
- Stamped steel rear trailing arms
- Forged aluminium rear trailing arms
- Replacement bushes and mounting hardware
Understanding OEMatch Rear Trailing Arm
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original rear trailing arms.
OE (Original Equipment) refers to parts matching original specifications for the rear trailing arms and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM rear trailing arms engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Rear trailing arms form the structural link between the chassis and the rear wheel hub, controlling wheel movement under acceleration and braking while preserving alignment and geometry. Replacement arms restore mounting location and correct clearances and are offered with bushes and fixings to match original mounting points.
Benefits Include
- Restores suspension alignment and rear axle geometry for predictable handling
- Reduces vibration and noise caused by worn bushes or loose mounts
- Helps prevent uneven tyre wear and maintains straight-line stability
Why Rear Trailing Arm Wear and Fail
- Worn or cracked bushings leading to excess play
- Corrosion or rust weakening the arm structure
- Impact damage from road debris or kerb strikes
The Importance of Replacing with OEMatch Rear Trailing Arm
Timely replacement reinstates correct rear axle geometry and helps retain the poised handling Porsche owners expect. Worn arms can cause clunking, poor alignment and accelerated tyre wear; choose parts selected for your model and follow correct fitting procedures to restore stability and control.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances
- Available in corrosion-resistant finishes and materials suited to restoration or performance use
- Designed to fit original mounting points and compatible with factory systems where sensors are present