German Chain Tensioner O-Ring for Porsche 911 (1983–1992)

For Porsche 911 (1983–1992) applications, this German Chain Tensioner O-Ring fits the models listed in the fitment table below and replaces the worn or missing part. It seals the service connection so fluid, air, or vacuum stays contained where the joint is assembled.

This is the kind of part that should be replaced during service instead of reused after removal.

Technical Details

• Manufacturer part number: 99970169040
• Type: Chain
• Application range: Porsche 911 (1983–1992)

Fitment & Compatibility

Use the fitment table below to confirm year, model, submodel, and application notes before ordering.

If the fitment table leaves any doubt, send us your VIN and we will help confirm the right part. PMB Performance has been matching Porsche parts to real cars for more than 20 years.