Looking for in-stock aftermarket parts to modify or upgrade your 2003 Chevrolet Silverado 3500 with running boards? At Tunersports.com we carry a huge selection of the top name brand performance running board parts and accessories for your Silverado 3500.
Whether you have a 2003 Chevrolet Silverado 3500 in Base to LT trim we have you covered. We have 33 running boards available to mod your Silverado 3500. All parts have free shipping to the Continental US 48 States.
 IN STOCK 79105-01ANow you can manually control your AMP Research POWERSTEP with a temporary over-ride switch. Whether deploying them to wash, or retracting them for off-roading, the switch gives you the flexibility you want in a POWERSTEP.... AMP Research Override Switch w/ STA1 Controller 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $169.99 |
 IN STOCK 76404-01APlug And Play Pass Through Harness... AMP Research All-All All All PowerStep Plug N Play - Black 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $123.63 |
 IN STOCK - LOW 291111Engineered to superbly suit their purpose. Easy to install, strong and built to last. Significantly reduce inventory requirements so they are as easy to buy as they are to install. Over 10 distinctive designs to choose from in a variety of lengths.... Lund 02-09 Jeep Liberty (54in) TrailRunner Extruded Multi-Fit Running Boards - Brite 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS $313.78 |
IN STOCK 291130Engineered to superbly suit their purpose. Easy to install, strong and built to last. Significantly reduce inventory requirements so they are as easy to buy as they are to install. Over 10 distinctive designs to choose from in a variety of lengths.... Lund 02-08 Dodge Ram 1500 Quad Cab (80in) TrailRunner Extruded Multi-Fit Running Boards - Black 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $343.49 |
IN STOCK - LOW 291140Engineered to superbly suit their purpose. Easy to install, strong and built to last. Significantly reduce inventory requirements so they are as easy to buy as they are to install. Over 10 distinctive designs to choose from in a variety of lengths.... Lund 00-14 Chevy Suburban 1500 (90in) TrailRunner Extruded Multi-Fit Running Boards - Black 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $360.79 |
IN STOCK 291141Engineered to superbly suit their purpose. Easy to install, strong and built to last. Significantly reduce inventory requirements so they are as easy to buy as they are to install. Over 10 distinctive designs to choose from in a variety of lengths.... Lund 00-14 Chevy Suburban 1500 (90in) TrailRunner Extruded Multi-Fit Running Boards - Brite 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $360.79 |
 IN STOCK 27-74735Westin's Grate Steps Running Boards are engineered to provide maximum traction without sacrificing style. The 6 1/4" step surface width features an aggressive 1/4" high punched tread allowing traction in any weather condition. The unique serrated edges help clean dirt, snow and mud off your boots to... Westin Grate Steps Running Boards 79 in - Textured Black 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $430.99 |
 IN STOCK 27-74745Westins Grate Steps Running Boards are engineered to provide maximum traction without sacrificing style. The 6 1/4" step surface width features an aggressive 1/4" high punched tread allowing traction in any weather condition. The unique serrated edges help clean dirt, snow and mud off your boots to ... Westin Grate Steps Running Boards 90 in - Textured Black 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $456.99 |
 IN STOCK - LOW 27-0010OE style design. UV resistant black molded polymer. Extruded aluminum base board. Cradle mounted boards. Customized mounting brackets sold separately. Adds perfect finishing touch to vehicle. 5 year warranty.... Westin Molded Step Board Unlighted 79 in - Black 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $279.08 |
 IN STOCK 27-6130Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards. 5 year warranty.... Westin Sure-Grip Aluminum Running Boards 79 in - Brushed Aluminum 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $314.78 |
 IN STOCK 27-6135Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards. 5 year warranty.... Westin Sure-Grip Aluminum Running Boards 79 in - Black 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $287.32 |
 IN STOCK - LOW 27-6145Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards. 5 year warranty.... Westin Sure-Grip Aluminum Running Boards 93 in - Black 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $335.36 |
 IN STOCK 27-64735Westin's SG6 Running Boards feature textured slip resistant step pads enhancing footing in virtually all weather conditions. SG6 Running Boards also include a rocker panel gap strip to provide users with the appropriate Westin finished look. A polished aluminum finish with a protective anodized coat... Westin SG6 Black Aluminum Running Boards 79 in 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $511.99 |
 IN STOCK 27-64745Westin's SG6 Running Boards feature textured slip resistant step pads enhancing footing in virtually all weather conditions. SG6 Running Boards also include a rocker panel gap strip to provide users with the appropriate Westin finished look. A polished aluminum finish with a protective anodized coat... Westin SG6 Black Aluminum Running Boards 89.50 in 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $597.99 |
 IN STOCK 27-6630Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards. 5 year warranty.... Westin Sure-Grip Aluminum Running Boards 79 in - Polished 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS / LT $314.78 |