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This billet aluminum plug prevents coolant leakage from the engine oil cooler adapter during service. When you install PPE exhaust manifolds and up-pipes on a 2007.5-2010 LMM Duramax, the factory coolant tube is no longer compatible and must be removed; the block-off plug seals the oil cooler adapter in its place. It also lets you run a 2007.5-2010 oil cooler adapter on a 2007-or-earlier engine build.
Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
US$40
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