Product Description
MAHLE GS34005 is a direct-fit engine oil cooler gasket set for the 2001–2016 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML). It’s quality-tested and built to meet or exceed OE specs for a long-lasting, leak-free seal.
- Application: 6.6L Duramax (LB7, LLY, LBZ, LMM, LML)
- Meets or exceeds OE specifications; drop-in replacement
- GTIN/UPC: 639789303448
Fitment
- 2001–2016 Chevrolet Silverado/GMC Sierra 2500HD & 3500HD, 6.6L Duramax (LB7/LLY/LBZ/LMM/LML)
Cross Reference / OE Equivalents
- GM 12709792 (oil cooler to rear cover)
- GM 97192666 (oil cooler adapter gasket)
- GM 94011702 (oil cooler inlet pipe seal)
Notes: Cross references listed are commonly used OE gasket/seal numbers for Duramax oil cooler service and may be included as equivalents in complete service kits. Verify per build date and sub-assembly.
What’s Included
Engine oil cooler gasket/seal set for Duramax cooler service (see cross-reference items above for typical components).
FAQ
Will this fit my Duramax?
Yes—fits 2001–2016 6.6L Duramax trucks across LB7, LLY, LBZ, LMM, and LML generations.
Is it OE quality?
Yes—MAHLE gaskets meet or exceed OE specs and are quality tested for an unmatched seal.
Do I need anything else?
Inspect oil cooler mating surfaces; clean thoroughly and torque to factory specs. Consider fresh engine oil and coolant after service.
What’s the barcode/GTIN?
GS34005 carries GTIN 639789303448 for inventory control and verification.