What is this part called?
1972-1979 Bay Window 1700cc-2000cc Oil Pressure Relief Valve Spring
What does this part do on a VW?
This oil pressure relief valve spring forms part of the engine’s oil pressure regulation system on aircooled VW Type 4 engines.
The spring works with the oil pressure relief valve to help control oil pressure within the engine. A weakened, damaged or incorrect spring can affect the operation of the relief valve and may contribute to incorrect oil pressure.
This is an ideal replacement when rebuilding or servicing a Type 4 engine oil system where the original spring is worn, damaged or no longer within specification.
What are the key features?
- Oil pressure relief valve spring
- OE reference 021-115-421/B
- Suitable for Type 4 aircooled engines
- Helps regulate engine oil pressure
- Replacement for a worn or damaged original spring
- Ideal for engine rebuilds and oil system servicing
- Supplied individually
What are the dimensions?
- Approximate diameter: 15.5mm
- Approximate length: 62.3mm
Which VW models will this fit?
- Bay Window 1972-1979 – 1700cc
- Bay Window 1974-1975 – 1800cc
- Bay Window 1976-1979 – 2000cc
Please Note
Please check your engine type and existing oil pressure relief valve components before purchasing, particularly on vehicles which may have had replacement engines or internal engine modifications during their lifetime.
What is the SKU for this part?
SKU: 010060170
OE Reference: 021-115-421/B
SKU: 010060170
