1986 GMC C3500 5.0L V8 GAS. 1979 GMC C3500 6.6L V8 GAS. 1979-1986 GMC C3500 5.7L V8 GAS. Notes: Water Pump (Standard). Contents: Water Pump, 3 Gaskets, Plug. Quality-assured with 100 percent leakage and functional tests of seals, bearings, castings and fully assembled water pump.
