Product Description
MAHLE OS32471 is a direct-fit replacement engine oil pan gasket for the 2011–2016 GM 6.6L Duramax LML. Built to OE standards for long service life and leak-free sealing.
- Direct-fit replacement; quality tested for longevity
- Material: Fiber
- Thickness: 1.6 mm (0.06 in)
- GTIN/UPC: 027067988034
Fitment
- 2011, 2012, 2013, 2014, 2015, 2016 Chevrolet Silverado 2500/3500 HD 6.6L Duramax LML
- 2011, 2012, 2013, 2014, 2015, 2016 GMC Sierra 2500/3500 HD 6.6L Duramax LML
Cross Reference Numbers
- Fel-Pro: OS30838
- MAHLE: OS32471 (UPC 027067988034)
What’s Included
One engine oil pan gasket (lower). No hardware or sealant included.
FAQ
Will this fit my LML Duramax?
Yes—this gasket fits 2011–2016 6.6L Duramax LML in Silverado/Sierra 2500/3500 HD.
Is sealant required with this gasket?
Follow GM service manual guidance. Some corners or timing cover junctions may require a small dab of RTV during installation.
What material is the gasket?
A durable fiber construction designed to maintain a reliable seal under thermal cycling.
Can I use this with aftermarket pans?
It’s designed as an OE-style direct-fit; many users pair it with upgraded pans, but verify pan flange design before installation.
