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Shock Absorber Top Tab Washer. Porsche 356 › 64434358100
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Maintain the correct operation of your Porsche's front suspension with this OE Match Front Shock Absorber Top Tab Washer, manufactured as a direct replacement. Produced to OE-style specifications, this tab washer is designed to secure the front shock absorber top mounting hardware, helping to prevent the retaining nut from loosening and ensuring the suspension assembly remains correctly fastened during operation.
Fits:
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram Ref No 55
The top tab washer is a small but essential locking component within the front suspension assembly. Constant vibration, suspension movement, repeated servicing, and age can cause the original washer to become bent, fatigued, corroded, or damaged, reducing its ability to lock the mounting hardware securely. Replacing the tab washer during shock absorber or suspension maintenance helps maintain the integrity of the strut assembly and provides long-term reliability. This OE Match component is ideal for routine maintenance, suspension repairs, and Porsche restoration projects.
What This Product Does:
- Locks the front shock absorber retaining nut in position.
- Helps prevent mounting hardware from loosening due to vibration.
- Maintains the security of the front suspension assembly.
- Supports safe and reliable suspension operation.
- Replaces worn, bent, or corroded original tab washers.
- Ideal during shock absorber or suspension rebuilds.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Bent or damaged locking tabs.
- Corrosion or excessive surface wear.
- Washer no longer securely locking the retaining nut.
- Signs of movement in the shock absorber mounting hardware.
- Suspension noise caused by loose upper mounting components.
- Damage caused during previous removal or installation.
- Excessive wear from repeated servicing.
- Age-related deterioration of the original component.
Why Replacement Matters:
- The front shock absorber top tab washer is a critical locking component that helps secure the upper shock absorber mounting hardware. By preventing the retaining nut from loosening under normal driving conditions, it contributes to the safety, stability, and long-term reliability of the suspension assembly.
- A worn or damaged tab washer may no longer provide adequate locking force, increasing the risk of loose suspension components, unwanted noise, or premature wear. Replacing the washer restores the correct locking function and helps ensure the suspension remains securely assembled. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match tab washer provides the correct fit, dependable quality, and durability required for Porsche maintenance, suspension repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64434358100
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
FRONT
Fits:
Porsche 964 1989-94 (not RS)
Porsche 993 1994-98 (not RS)
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434330100
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
SET OF 4 PARTS
Fits:

Porsche 964 1989-94 (not RS)
Porsche 993 1994-98 (not RS)
Click 'Zoom in' for large parts diagram.
Diagram ref no 5 and 6.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434330100
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
This nut locks and retains key shock/strut assembly elements in the correct position. It helps prevent looseness, unwanted movement, or misalignment within the front suspension, supporting consistent handling and steering feel.
Sold each, 2 required per vehicle.
Fits:
Porsche 964 1989 - 1994 All models
Porsche 993 1994 - 1998 (not RS)
Diagram ref no 8
Front shock absorber adjusting nut manufactured to replicate the original Porsche part’s thread form, dimensions, and seating interface. Designed for direct installation with factory-style front suspension components on Porsche 964 and 993 models.
Installed on the front strut/shock assembly, the adjusting nut provides secure mechanical retention and precise positioning of the shock insert or related strut components. Its correct fit and thread engagement are essential for maintaining suspension integrity under repeated load cycles, bumps, and braking forces.
Adjusting nuts can round off, seize, corrode, or lose thread integrity over time - especially in vehicles exposed to moisture, road salt, or frequent suspension work. Replacing a worn or damaged nut helps ensure the shock/strut assembly remains correctly secured, preventing noise, play, and potential suspension failure.
When to replace:
• Nut is seized, heavily corroded, or damaged during removal
• Rounded flats / tool damage prevents correct torqueing
• Visible thread wear or cross-threading
• Suspension rebuild, shock/insert replacement, or strut refurbishment
• Front end clunks/rattles traced to strut hardware (after inspection)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434350204
The product you are viewing cross references to these numbers
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