Repair water pump leaks on your Duramax with this hard to find water pump cover o-ring. This o-ring seals the water pump cover to the water pump housing and has been discontinued with GM.
It does not seal the water pump to the front cover. If you need that o-ring, see GM 94013304.
Fitment:
2001-2016 Duramax 6.6L LB7 LLY LBZ LMM LML
Compatible with most OE and aftermarket replacement water pumps including our High Performance 500-112 Water Pump.
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