CRP Industries Oil Cooler Line O-Ring for Porsche 964/993 (1989–1998)

This CRP Industries Oil Cooler Line O-Ring is a direct-fit replacement for Porsche 964/993 applications listed in the fitment table below. It is used to seal the oil line or thermostat housing connection and help prevent oil seepage at the engine-side fitting. CRP Industries is a long-established supplier of OE-quality automotive replacement parts, including brands and product lines used across European vehicle applications. Known for dependable fitment and broad coverage in systems related to cooling, fuel, steering, suspension, and engine service, CRP Industries parts are selected for reliable performance and solid compatibility on Porsche service work.

Technical Details

• Manufacturer part number: 99970725540-FE
• Brand: CRP Industries
• Application: Oil cooler line / thermostat housing connection
• Fitment note: Used on 964 and 993 applications listed below

Fitment & Compatibility

Use the fitment table below to confirm Porsche model, year range, and submodel details. This listing covers 964/993 applications from 1989–1998. When a seal or O-ring fits more than one engine family, compare the installed part number and location before ordering.

If you need help checking the application before ordering, PMB Performance has been working with Porsche parts for over 20 years and can help you sort out the details.