Reassemble the engine in your 2001-2004 Chevy/GMC 6.6L LB7 Duramax with the Sealants available. There is engine specific, all-purpose, and headlight specific RTVs available. Due to their silicone manufacturing, these RTVs can withstand high temperatures. High-quality brands including ACDelco, Oracle, MAHLE, Motorcraft, and DEI are available at XDP.
