MAHLE Rear Main Engine Crankshaft Seal 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML ATS-3099342308 While you may be stuck

While you may be stuck with dual radiators

A faulty CP3 fuel injection pump in your Common Rail 6

reduce backpressure

upgrading your turbo

MAHLE Rear Main Engine Crankshaft Seal 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML ATS-3099342308 While you may be stuckAre you dealing with a leak around your crankshaft? The MAHLE is designed to deliver dependable, OE quality sealing performance in applications where precision fit and long term durability matter. When gaskets wear out, become brittle, or are reused during maintenance, even small imperfections can lead to leaks, reduced efficiency, and potential component damage. The JV1691 solves that problem by restoring a proper factory style seal, helping ensure