This top quality Standard Diesel Glow Plug Controller generally fits Chevrolet - GMC vehicles and includes models such as C10 - C1500 - C20 - C2500 - C30 - C3500 - G20 - G30 - K10 - K1500 - K20 - K2500 - K30 - K3500 - R2500 - R3500 - S10Blazer - V3500 with trims including . Engine types may include 6.2 V8 DIESEL FI - 6.5 V8 DIESEL FI - 7.4 V8 GAS CARB - 5.7 V8 GAS CARB - 4.3 V6 GAS FI - 2.8 V6 GAS CARB - 2.5 L4 GAS CARB. This part fits vehicles made in the following years 1993 - 1992 - 1991 - 1990 - 1989 - 1988 - 1987 1986 1985.