Product Description
MAHLE G33742 is an OE-style EGR cooler gasket for the 2011–2016 GM 6.6L Duramax LML. It’s a direct-fit replacement that’s quality-tested to meet or exceed OEM sealing performance.
- Direct replacement; drop-in fit for LML
- Built to OE specs for reliable, leak-free seal
- Sold individually
- GTIN/UPC: 639789312501
Fitment
- 2011, 2012, 2013, 2014, 2015, 2016 Chevrolet Silverado 2500HD / 3500HD (6.6L Duramax LML)
- 2011, 2012, 2013, 2014, 2015, 2016 GMC Sierra 2500HD / 3500HD (6.6L Duramax LML)
Cross Reference Numbers
- MAHLE: G33742
- GM/ACDelco (equivalent reported): 98065521
- GTIN/UPC: 639789312501
What’s Included
(1) EGR cooler gasket.
FAQ
Will this fit my LML Duramax?
Yes—this gasket fits 2011–2016 Chevy/GMC 2500HD/3500HD with the 6.6L Duramax LML.
Is this OEM quality?
It’s manufactured to meet or exceed OE specifications for material, thickness, and sealing performance.
Do I need any sealant?
No sealant is typically required. Install on clean, flat mating surfaces and torque per GM service specs.
What else should I replace while I’m in there?
Inspect the EGR cooler and related gaskets/O-rings. If the cooler is failing, consider upgrading to a high-quality replacement.
