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Spring Plate
By OE Match
- Porsche 356C 1963-65

Fits
Porsche 356 C
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
69533301300
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
This OE Match adjustable spring plate is a replacement rear suspension spring plate for Porsche 356, 356A, and 356B models. It is the closed-type version with zinc plating, designed to match the original-style fitment while providing adjustable suspension setup capability.
Sold individually
Fits
Porsche 356 pre-A
Porsche 356A
Porsche 356B
The spring plate forms part of the rear torsion bar suspension system. It connects the torsion bar to the rear suspension arm assembly and helps control rear ride height, wheel position, and suspension movement. The adjustable design allows more precise rear suspension setup during service, repair, or restoration.
Functions
• Replaces the rear suspension spring plate
• Connects the torsion bar to the rear suspension assembly
• Supports rear suspension movement and ride height control
• Allows adjustment for suspension setup and alignment
• Closed-type design for applicable Porsche 356 suspension layouts
• Zinc plated finish helps improve corrosion resistance
• OE Match replacement for suspension restoration and repair.
Why Replace This Part?
Spring plates can become corroded, bent, worn, seized, or damaged over time due to road dirt, moisture, suspension load, age, and previous adjustment work. A worn or damaged spring plate can affect rear ride height, wheel alignment, handling, and suspension operation. Replacing the spring plate helps restore correct rear suspension geometry and reliable torsion bar function.
When to Replace This Part
• The original spring plate is rusty, bent, cracked, or damaged
• Rear ride height cannot be adjusted correctly
• Rear suspension alignment is difficult to set
• The torsion bar or rear suspension has been removed
• The spring plate splines, mounting points, or adjustment areas are worn
• The vehicle is undergoing rear suspension overhaul
• The car is being restored to an OE-style suspension specification.
Where it fits on the car
This adjustable spring plate fits on the rear torsion bar suspension assembly on Porsche 356, 356A, and 356B models. It is used in the rear suspension system to connect and control torsion bar movement according to the factory suspension layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64434105
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
Restore protection around the rear axle cross tube assembly with this OE Match Rubber Boot. Designed for compatible Porsche applications, this flexible rubber component helps protect the associated axle and suspension area from dirt, moisture, road debris and other contaminants.
Fits:
Porsche 356 (1950 to 1969)
Diagram Ref No 4
The boot acts as a protective barrier around the relevant cross-tube connection or moving component while retaining the flexibility required for normal suspension and axle movement. Keeping this area properly protected helps reduce contamination and deterioration of the components located beneath or around the boot.
What This Product Does:
- Provides a protective covering for the associated rear axle cross tube area.
- Helps prevent dirt and road debris reaching protected components.
- Helps reduce moisture and contamination entering the assembly.
- Provides flexibility to accommodate normal suspension and axle movement.
- Helps protect associated components from premature contamination-related wear.
- Provides a barrier against everyday road grime.
- Helps maintain the condition of the rear axle and suspension assembly.
- Replaces a cracked, split, hardened, perished or missing boot.
- Helps restore a clean and complete appearance during suspension restoration.
- Provides an OE-style replacement for compatible Porsche applications.
Symptoms Of Wear Or Failure:
- Visible cracks in the rubber.
- Splits or tears in the boot.
- Rubber that has become hard or brittle.
- Perishing or surface deterioration.
- The boot no longer fitting securely in position.
- Sections of the protected assembly becoming exposed.
- Dirt or road debris accumulating beneath the boot.
- Moisture or contamination around the protected components.
- Distortion or loss of flexibility.
- Oil or chemical contamination causing the rubber to swell or soften.
- The original boot is completely missing.
- Deterioration discovered during rear suspension or axle servicing.
Why Replacement Matters:
- The rubber boot is designed to isolate vulnerable components from the harsh environment beneath the vehicle. Once the rubber cracks or splits, dirt, water and abrasive road debris can reach areas that would normally remain protected.
- Contamination can accelerate wear and corrosion of surrounding components. Dirt trapped around moving or contacting surfaces can act as an abrasive, while persistent moisture may encourage corrosion on metal parts.
- A deteriorated boot may initially appear to be only a cosmetic issue, but leaving the protected assembly exposed can contribute to more expensive component wear over time. Replacing the boot before significant contamination occurs is generally preferable to repairing damaged axle or suspension components later.
- Rubber deterioration is particularly common on classic vehicles because original components may have been subjected to decades of heating, cooling and environmental exposure. Even a boot that appears intact can become stiff and develop cracks when disturbed during servicing.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG341911
The product you are viewing cross references to these numbers
- Porsche 356C 1963-65

Fits
Porsche 356 C
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
69533301300
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
This OE Match spring plate is a direct replacement for the original Porsche rear suspension component fitted to Porsche 356 Pre-A, 356A, and 356B models. Manufactured to OE specifications, it replicates the factory closed-type design used in the classic rear torsion bar suspension system.
Sold individually
Fits
Porsche 356 pre-A
Porsche 356A
Porsche 356B
Installed at the rear suspension assembly, the spring plate acts as the mounting and support point for the torsion bar. It transfers suspension load from the rear axle into the torsion bar system, helping maintain proper ride height and suspension geometry. The closed-type construction provides improved rigidity, durability, and protection of the torsion bar mounting area compared to open-style versions.
The spring plate supports and positions the rear torsion bar within the suspension system. It helps maintain correct ride height, rear wheel alignment, and suspension stability while transferring load between the chassis and rear axle.
Function
• Supports rear torsion bar suspension system
• Maintains proper ride height and suspension geometry
• Transfers load between rear axle and chassis
• Helps stabilise rear suspension movement
• Provides durable mounting point for torsion bar assembly
Over time, original spring plates can suffer from corrosion, fatigue, or deformation due to decades of suspension load and environmental exposure. Worn or damaged spring plates may affect ride height, wheel alignment, and overall handling stability. Replacing the component restores suspension integrity, improves chassis stability, and helps maintain original driving characteristics.
When to replace
• Rear suspension sagging or uneven ride height
• Visible corrosion or fatigue cracks
• Excessive rear suspension movement or noise
• Suspension alignment instability
• During full suspension restoration or torsion bar servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64434105
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63

Click 'Zoom in' for large parts diagram.
Diagram ref no 36
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64433313100
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Outer dia: 69mm
Inner dia: 48mm
Thickness: 31mm
Fits:
Porsche 356 pre-A / A 1950-1959
Porsche 356 B / C 1960-1965 (chassis >>131 720, >>154 229, >>88 663)
Porsche 911/912 1965-1967 (up to chassis #307325)
For 356 Pre-A, A, and B, 4 are required w/original covers, and 2 are required w/replacement covers. For all 356C models, 2 are required).
Diagram ref no 36Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64433313100
The product you are viewing cross references to these numbers
OEMatch Spring Plate — Fit, Function, Confidence
Spring plates form a key part of the rear suspension on many Porsche models, linking torsion bars to trailing arms to control ride height, preserve alignment and manage suspension travel under load. OEMatch focuses on Porsche applications and catalogues over 4,000 part numbers and extensive cross-references to support repairs and restorations.
Understanding OEMatch Spring Plate
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original spring plate.
OE (Original Equipment) refers to parts matching original specifications for the spring plate and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM spring plate engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. In operation, a spring plate provides a pivot between torsion bar and trailing arm, helps maintain rear wheel alignment as the suspension moves, and contributes to stable ride height and handling balance. Plates are typically formed from high-strength steel or alloys and use bushes or bearings at mounting points to control movement.
Benefits Include
- Restores correct rear suspension geometry and alignment for consistent handling.
- Maintains ride height and reduces unwanted rear-end movement under load.
- Available in fixed and adjustable designs to suit restoration, service or performance use.
Why Spring Plate Wear and Fail
- Corrosion and rust that weaken the plate or mounting surfaces.
- Worn bushes or mounts producing excess play and vibration.
- Fatigue cracks from repeated torsional stress.
- Impact damage from road hazards or improper installation.
The Importance of Replacing with OEMatch Spring Plate
Replacing worn or damaged spring plates restores suspension geometry and alignment accuracy, reduces vibration and noise, and helps retain predictable handling on road and track. Proper replacement also protects related components such as trailing arms and torsion bars by removing excessive movement and restoring specified clearances, which supports safe and reliable vehicle behaviour.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances for Porsche models.
- Adjustable and performance variants available where correct ride-height or alignment tuning is required.
- Suitable for classic restorations, routine servicing and track-focused preparations.