1996-1999 GMC K1500 5.0L V8 GAS. 1996-1999 GMC K1500 5.7L V8 GAS. 1996-1998 GMC K1500 4.3L V6 GAS. Notes: Water Pump (Standard). Contents: Water Pump, 2 Gaskets. Quality-assured with 100 percent leakage and functional tests of seals, bearings, castings and fully assembled water pump.