Part Type: A/C Evaporator Core. 1993 GMC G3500 New Style;. 1994 GMC G3500 New Style;. 1995 GMC G3500 New Design;. 1996 GMC G3500 Engine: 5.7L V8 CNG; EngineVIN: K; FuelSystem: TBI; Electronic;. 1996 GMC G3500 Engine: 5.7L V8 GAS; EngineVIN: K; FuelSystem: TBI; Electronic;.