Lock Washer (Backing Plate) Driveshaft – Porsche 911

Lock washer for the drive shaft joint. Suitable for numerous Porsche models, it serves to securely fasten the drive shaft bolts to the joint.

Details at a glance

• Stable lock washer for the drive shaft joint
• Prevents loosening of the M8 joint bolts
• Suitable for several Porsche model series
• OEM-compliant form and fit
• Diagram reference: No. 3

Description

This lock washer secures the drive shaft joint bolts, reliably preventing them from twisting or loosening under load. It is an important component of the power transmission and contributes to the operational safety of the entire drive shaft.

Due to aging, corrosion, or repeated disassembly, old lock washers can lose their tension. Replacing them with a precisely manufactured reproduction restores the correct clamping force and ensures a secure connection between the drive shaft and the joint flange.

Technical data

• Position: Driveshaft joint
• Material: High-strength steel
• Fit for M8 joint bolts
• Diagram reference: No. 3

Compatibility / Vehicle assignment

• Porsche 911 (1969–1989)
• Porsche 964 C2 / Carrera RS / Turbo 3.6L (1989–1994)
• Porsche 928 (1983–1986, chassis number from F92DFS8 41008 and F92FS8 40290, M593)
• Porsche 928 (1987–1995)

Scope of delivery

• 1 × Lock washer for drive shaft joint

Note

Replacement is always recommended when the drive shaft bolts are loosened, to ensure maximum safety.