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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Related, superseded, cross reference or alternative numbers for comparison.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
Fits
Porsche 356 pre-A
Porsche 356A
Porsche 356B
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Related, superseded, cross reference or alternative numbers for comparison.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
Fits:
Porsche 356 (1950 to 1969)
Diagram ref no 4
Over time, the original boot can crack, split, or harden, allowing contaminants into the joint and accelerating wear. A fresh OE Match boot restores proper sealing protection and prolongs the life of the axle components.
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Related, superseded, cross reference or alternative numbers for comparison.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Related, superseded, cross reference or alternative numbers for comparison.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.
