How a car works

All partsBMW M4 CSLS58 enginePistons › Wrist pin

Wrist pin

Part of Pistons · about $25 to replace

What it is

Full-floating gudgeon pin.

What it does

Links piston and connecting rod.

How it fails

Retained by circlips; never reuse clips.

MaterialCase-hardened 16MnCr5 steel
Spec22 mm
65 mm long
Wrist pin highlighted on the car

Appears at

Piston 1Piston 2Piston 3Piston 4Piston 5Piston 6

Nearby