Product Description
MAHLE OS32284 is a direct-fit lower oil pan gasket for the 2001–2010 GM 6.6L Duramax (LB7/LLY/LBZ/LMM). Built to OE specifications for a reliable, leak-free seal. GTIN: 027067721723.
- Direct-replacement lower oil pan gasket
- Meets or exceeds OE specs
- OE cross refs: 97227589, 97329637
- Typical material: fiber/cellulose composite with rubber binders for durable sealing
Fitment
- 2001–2010 Chevrolet Silverado 2500HD / 3500 (6.6L Duramax LB7, LLY, LBZ, LMM)
- 2001–2010 GMC Sierra 2500HD / 3500 (6.6L Duramax LB7, LLY, LBZ, LMM)
Cross Reference Numbers
- GM: 97227589, 97329637
- MAHLE: OS32284
- GTIN/UPC: 027067721723
What’s Included
Lower oil pan gasket for service (pan and fasteners not included).
FAQ
Will this fit my 6.6L Duramax?
Yes—fits 2001–2010 LB7, LLY, LBZ, and LMM engines in Silverado/Sierra 2500HD/3500.
Does this replace the OE gasket numbers?
Yes—crosses to GM 97227589 and 97329637.
Do I need RTV sealant?
Follow GM/MAHLE procedures; some corner joints may require a light dab of RTV per factory instructions.
What material is it?
A durable fiber/cellulose composite with rubber binders engineered for long-lasting sealing.
