Differential pin
Product number:
343720
short, for planet gear in cross pin differential
Product Information "Differential pin"
Mini: All models (1959-2000)
short, for planet gear in cross pin differential
If you ever strip a cross pin differential down, this is the short molybedenum coated pin that a planet gear runs on.
Accessory Differential pin

Differential
cross pin, 4 planet gears - uprated variant
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Product number: 342767
Counterpart

Differential pin
long, for planet gear in cross pin differential
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Product number: 343719