Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
MAHLE top plain piston rings for GMC trucks with the 6.6L (403 CID) Duramax turbo diesel, covering 2011+ LGH and LML engines. MAHLE piston rings reflect OE-driven design priorities: reduced friction and ring mass, lower engine oil consumption, and longer service life. This top plain ring set brings the latest piston ring technology used to meet modern engine requirements.
Mahle Rings GMC Trk 6.6L 403 CID Duramax Turbo Diesel 2011+ LGH / LML GNS Top Plain Ring Set
