For GMC C1500 Sierra 1/2 ton Pickup 1988-1998. For Chevrolet C1500 Silverado 1/2 ton Pickup 1988-1998. Fuel Pump Assembly for Chevy C1500 C2500 C3500 K1500 K2500 K3500 4.3L 5.0L 5.7L. The kit can be used to lower your truck by placing the rear axle on top of the leaf spring.