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The Cometic rear main seal for 2001–2007 GM 6.6L Duramax applications is supplied to meet or exceed OEM quality and support reliable crank sealing. Cometic emphasizes material quality and factory testing, combining proven manufacturing processes with in-house engine assembly validation. This rear main component is intended for direct-fit replacement in compatible Duramax crankshaft housings.
Cometic 01-07 GM 6.6L Duramax Rear Main Seal
