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  1. B

    do you still have egr cooler for sale ?

    do you still have egr cooler for sale ?
  2. B

    lmm head gaskets flatrate time

    2007.5 lmm just went on trip towed heavy load 300mi lost 1qt of coolant rad cap has pressure after sitting and cooling down i am wondering if head gaskets are starting to leak? how many hr job are they to change? thanks jim
  3. B

    hello

    my name is jim new to the duramax world just got a 07 1/2 gmc 3500 cc/lb