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Exhaust manifold - Z 12 XE and Z 14 XEP engines > < Oil non-return valve - DOHC-0 petrol engines

Ribbed V-belt tensioner - DOHC-0 petrol engines

At the end of MY 2003 a new ribbed V-belt tensioner came into use for all DOHC-0 petrol engines; this is used on both variants with and without air conditioning.

The two previous mechanical and hydraulic belt tensioners have been replaced with one mechanical version.

Overview of components with part numbers:

  • New ribbed V-belt tensioner (mechanical): 55 352 021
  • Old ribbed V-belt tensioner (mechanical) on version without air conditioning: 90 531 986
  • Old ribbed V-belt tensioner (hydraulic) on version with air conditioning: 90 531 965
Object Number: 2412980  Size: DEFAULT

1. New ribbed V-belt tensioner (mechanical) for version with and without air conditioning

•  Service:
The new ribbed V-belt tensioner can be used on all engine variants of the DOHC-0 series.

Exhaust manifold - Z 12 XE and Z 14 XEP engines > < Oil non-return valve - DOHC-0 petrol engines