OER Parts offers a wide selection of Starter Parts and Hardware for your 2003 Chevrolet Silverado 1500 HD. OER Parts offers 2003 Chevrolet Silverado 1500 HD Starter Motor Brace, 2003 Chevrolet Silverado 1500 HD Starter Mounting Bolts, 2003 Chevrolet Silverado 1500 HD Starter Motor Heat Shield, 2003 Chevrolet Silverado 1500 HD Starter Solenoid, 2003 Chevrolet Silverado 1500 HD Starter Rebuild Kit, 2003 Chevrolet Silverado 1500 HD Starter Shim Set, 2003 Chevrolet Silverado 1500 HD Starter Heat Shield Set, and 2003 Chevrolet Silverado 1500 HD Floor Mounted Starter Switch.