The MAHLE GS33679 Oil Cooler Mounting Kit is a premium-quality gasket and seal solution designed to restore proper sealing and performance of the oil cooler assembly on Ford 6.9L and 7.3L IDI diesel engines (1983–1994).
Manufactured to OE specifications, this kit ensures long-lasting durability, leak prevention, and proper oil-to-coolant separation—critical for maintaining engine longevity in heavy-duty diesel applications.
Whether you're performing a full oil cooler rebuild or fixing leaks, MAHLE Original components deliver trusted sealing performance used by professional engine builders and diesel technicians worldwide.
Trusted MAHLE Original Brand – Industry-leading gasket manufacturer used in OEM applications
Vehicle Fitment
Compatible with the following applications:
- Ford F-250 / F-350 (1983–1994) – 6.9L & 7.3L IDI Diesel
- Ford E-Series Vans (1983–1994) – 6.9L & 7.3L Diesel
- International Harvester / Navistar Engines – 6.9L & 7.3L IDI Diesel
Always verify fitment using engine specifications before ordering.
What This Kit Fixes
If you're experiencing any of the following, the GS33679 kit is a must-have repair solution:
- Oil leaking from oil cooler assembly
- Coolant contamination in engine oil
- Oil cooler gasket failure
- Loss of oil pressure due to seal failure
- Aging or brittle factory seals
Why Choose MAHLE GS33679?
Unlike generic gasket kits, the MAHLE GS33679 is engineered with precision sealing materials and exact tolerances, ensuring:
- Longer service life
- Proper compression and sealing
- Reduced risk of repeat repairs
This is the same level of quality trusted in OEM engine builds and professional diesel rebuild shops.