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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
The OE Match Rear Spring Plate with Bushing is a replacement suspension component for early Porsche 911 and Porsche 912 models using the rear torsion-bar suspension system.
Price Is Each.
- Porsche 911S / 911TU / 911L 1965-68
- Porsche 912 1965-68
Diagram Ref No 16
The spring plate connects the rear suspension to the torsion bar and transfers suspension movement and load into the torsion bar as the rear wheels move over bumps, during cornering and under acceleration or braking.
The integrated rubber bushing supports the spring plate within its mounting point while allowing controlled suspension movement. It also helps isolate vibration and prevents excessive metal-to-metal movement between the spring plate and surrounding suspension structure.
Correct spring plate condition is essential for maintaining rear ride height, suspension geometry and predictable handling. On older vehicles, corrosion of the metal plate and deterioration of the rubber bushing can lead to increased movement, noise and inconsistent suspension behaviour.
What This Product Does:
- Connects the rear suspension assembly to the torsion bar.
- Transfers suspension loads into the torsion bar.
- Allows the torsion bar to provide the rear springing force.
- Helps maintain the correct rear ride height.
- Supports consistent rear suspension geometry.
- Helps control wheel movement under acceleration, braking and cornering.
- Uses a rubber bushing to allow controlled articulation.
- Helps isolate vibration and suspension noise from the chassis.
- Prevents excessive movement between the spring plate and its mounting points.
- Replaces a corroded, damaged or distorted original spring plate.
- Replaces an aged, cracked or deformed spring plate bushing.
The spring plate is a central part of the classic Porsche torsion-bar suspension system. As the rear suspension moves, the torsion bar twists and stores energy, while the spring plate transmits that movement between the suspension and torsion bar.
Symptoms Of Wear Or Failure:
Possible symptoms include:
- Knocking or clunking from the rear suspension.
- Creaking or rubbing noises over bumps.
- Excessive movement around the spring plate mounting area.
- Rear suspension feeling loose or less precise.
- Vehicle wandering or feeling unstable during cornering.
- Uneven or sagging rear ride height.
- One side of the vehicle sitting lower than the other.
- Increased vibration through the rear of the vehicle.
- Poor rear suspension response.
- Visible cracking or deterioration of the rubber bushing.
- Rubber becoming compressed or permanently distorted.
- Spring plate contacting its cover or surrounding metalwork.
- Heavy corrosion or rust on the spring plate.
- Pitting, scaling or loss of material from the plate.
- Bent or physically damaged spring plate.
- Difficulty maintaining correct rear suspension alignment.
Some of these symptoms can also be caused by worn torsion bars, trailing-arm bushes, wheel bearings or other suspension components, so the complete rear suspension should be inspected before replacement.
Why Replacement Matters:
The spring plate forms a structural connection between the rear suspension and torsion bar.
If the plate becomes badly corroded, damaged or distorted, it may no longer transmit suspension loads correctly. Similarly, a deteriorated bushing can allow excessive movement at the mounting point.
Replacing a worn spring plate and bushing helps restore:
- Correct rear suspension movement.
- Consistent ride height.
- Improved rear-end stability.
- More predictable handling.
- Correct suspension geometry.
- Reduced knocking and rubbing noises.
- Better isolation of vibration.
- Reliable torsion-bar operation.
A sound spring plate assembly also helps prevent unnecessary loads from being transferred into surrounding suspension components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90133300307
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