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Looking for aftermarket parts to modify or upgrade your 2003 GMC Sierra 3500 with nerf bars? At Tunersports.com we carry a huge selection of the top name brand performance nerf bar parts and accessories.
 IN STOCK 23-1680Westin(TM) E-Series Nerf Bars are made of 3in. diameter round tubing and are vehicle specific designs. Step design and mounting technique varies by application (mounting kit included). They feature recessed area mounted step pads unique to E-Series Nerf Bars feature the Westin(TM) brand name and are... Westin 1999-2014 Chevy Silverado 1500 Ext. Cab E-Series 3 Nerf Step Bars - SS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $248.77 |
 IN STOCK - LOW 23-1685Westin(TM) E-Series Nerf Bars are made of 3in. diameter round tubing and are vehicle specific designs. Step design and mounting technique varies by application (mounting kit included). They feature recessed area mounted step pads unique to E-Series Nerf Bars feature the Westin(TM) brand name and are... Westin 1999-2014 Chevy Silverado 1500 Ext. Cab E-Series 3 Nerf Step Bars - Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $227.16 |
 IN STOCK 23-1950Westin(TM) E-Series Nerf Bars are made of 3in. diameter round tubing and are vehicle specific designs. Step design and mounting technique varies by application (mounting kit included). They feature recessed area mounted step pads unique to E-Series Nerf Bars feature the Westin(TM) brand name and are... Westin 1999-2013 Chevy Silverado 1500 Crew Cab E-Series 3 Nerf Step Bars - SS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $248.77 |
 IN STOCK 23-1955Westin(TM) E-Series Nerf Bars are made of 3in. diameter round tubing and are vehicle specific designs. Step design and mounting technique varies by application (mounting kit included). They feature recessed area mounted step pads unique to E-Series Nerf Bars feature the Westin(TM) brand name and are... Westin 1999-2013 Chevy Silverado 1500 Crew Cab E-Series 3 Nerf Step Bars - Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $227.16 |
 IN STOCK - DROPSHIPS 56-11685Westins HDX Drop Nerf Step Bars provide the rugged look and function that truck owners need and want. They feature a solid 1-piece steel construction and heavy duty punch plates creating high traction step areas. The HDX Drop Nerf Step Bars also feature Westins notched bar design which provides more... Westin 99-13 Chevy/GMC Silverado/Sierra 1500 Ext Cab HDX Drop Nerf Step Bars - Textured Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $654.99 |
 IN STOCK - DROPSHIPS 56-116852Westin's HDX Stainless Drop Nerf Step Bars are built with corrosion-resistant, textured black painted stainless steel designed to last under the toughest of conditions. With 1-piece construction, these nerf step bars provide over 2 added inches of toe/heel step area than our competitors and fit tigh... Westin 99-13 Chevy/GMC Silverado/Sierra 1500 Ext Cab HDX Nerf Step Bars - Textured Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $891.99 |
 IN STOCK - LOW 56-11955Westins HDX Drop Nerf Step Bars provide the rugged look and function that truck owners need and want. They feature a solid 1-piece steel construction and heavy duty punch plates creating high traction step areas. The HDX Drop Nerf Step Bars also feature Westins notched bar design which provides more... Westin 04-13 Chevy Silverado 1500 Crew Cab 2004-2013 HDX Drop Nerf Step Bars - Textured Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $654.99 |
 IN STOCK - DROPSHIPS 56-119552Westin's HDX Stainless Drop Nerf Step Bars are built with corrosion-resistant, textured black painted stainless steel designed to last under the toughest of conditions. With 1-piece construction, these nerf step bars provide over 2 added inches of toe/heel step area than our competitors and fit tigh... Westin 04-13 Chevy Silverado 1500 Crew Cab HDX Stainless Drop Nerf Step Bars - Textured Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $891.99 |
 OUT OF STOCK 20-11685If you want a unique upgrade that makes accessing your truck, Jeep or SUV easier, Westin's Outlaw Drop Nerf Step Bars are the finishing touch you need. Crafted from mandrel bent 1.5' diameter steel tube and paired with a welded cab length top plate, these step bars are more than just an eye-catching... Westin 99-13 Chevrolet Silverado 1500 (Ext. Cab) Outlaw Drop Nerf Step Bars - Textured Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $528.99 |
 IN STOCK - DROPSHIPS 20-11955If you want a unique upgrade that makes accessing your truck, Jeep or SUV easier, Westin's Outlaw Drop Nerf Step Bars are the finishing touch you need. Crafted from mandrel bent 1.5' diameter steel tube and paired with a welded cab length top plate, these step bars are more than just an eye-catching... Westin 04-13 Chevrolet Silverado Outlaw Drop Nerf Step Bar - Textured Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $528.99 |
 IN STOCK - DROPSHIPS 21-1400Westins Platinum 4 Oval Nerf Step Bars feature OE styling and offer an alternative look and style to traditional round tube steps. Their larger size provides strength and confidence with a full 4in. wide recessed step area. Platinum 4 Oval Nerf Step Bars are vehicle specific applications that featur... Westin 1999-2013 Chevy Silverado 1500 Reg Cab Platinum 4 Oval Nerf Step Bars - SS 2001-2006 GMC Sierra 3500 SLE 2002-2005 GMC Sierra 3500 Base $401.24 |
 OUT OF STOCK 21-1405Westins Platinum 4 Oval Nerf Step Bars feature OE styling and offer an alternative look and style to traditional round tube steps. Their larger size provides strength and confidence with a full 4in. wide recessed step area. Platinum 4 Oval Nerf Step Bars are vehicle specific applications that featur... Westin 1999-2013 Chevy Silverado 1500 Reg Cab Platinum 4 Oval Nerf Step Bars - Black 2001-2006 GMC Sierra 3500 SLE 2002-2005 GMC Sierra 3500 Base $247.64 |
 IN STOCK - DROPSHIPS 21-1680Westins Platinum 4 Oval Nerf Step Bars feature OE styling and offer an alternative look and style to traditional round tube steps. Their larger size provides strength and confidence with a full 4in. wide recessed step area. Platinum 4 Oval Nerf Step Bars are vehicle specific applications that featur... Westin 1999-2013 Chevy Silverado 1500 Ext Cab Platinum 4 Oval Nerf Step Bars - SS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $478.04 |
 OUT OF STOCK 21-1685Westins Platinum 4 Oval Nerf Step Bars feature OE styling and offer an alternative look and style to traditional round tube steps. Their larger size provides strength and confidence with a full 4in. wide recessed step area. Platinum 4 Oval Nerf Step Bars are vehicle specific applications that featur... Westin 1999-2013 Chevy Silverado 1500 Ext Cab Platinum 4 Oval Nerf Step Bars - Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $286.04 |
 OUT OF STOCK 21-1950Westins Platinum 4 Oval Nerf Step Bars feature OE styling and offer an alternative look and style to traditional round tube steps. Their larger size provides strength and confidence with a full 4in. wide recessed step area. Platinum 4 Oval Nerf Step Bars are vehicle specific applications that featur... Westin 1999-2013 Chevy Silverado 1500 Crew Cab Platinum 4 Oval Nerf Step Bars - SS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $478.04 |
 IN STOCK - LOW 21-1955Westins Platinum 4 Oval Nerf Step Bars feature OE styling and offer an alternative look and style to traditional round tube steps. Their larger size provides strength and confidence with a full 4in. wide recessed step area. Platinum 4 Oval Nerf Step Bars are vehicle specific applications that featur... Westin 1999-2013 Chevy Silverado 1500 Crew Cab Platinum 4 Oval Nerf Step Bars - Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $286.04 |
 OUT OF STOCK 22-5000Saddle mounted step pad. Molded oval end caps. Features cradle mounted tubes and no drill installation. Black powder coated mild steel finish. 3 year warranty.... Westin Premier 4 Oval Nerf Step Bars 53 in - Stainless Steel 2001-2006 GMC Sierra 3500 SLE 2002-2005 GMC Sierra 3500 Base $284.74 |
 IN STOCK - DROPSHIPS 22-5005Saddle mounted step pad. Molded oval end caps. Features cradle mounted tubes and no drill installation. Black powder coated mild steel finish. 3 year warranty.... Westin Premier 4 Oval Nerf Step Bars 53 in - Black 2001-2006 GMC Sierra 3500 SLE 2002-2005 GMC Sierra 3500 Base $197.78 |
 IN STOCK - DROPSHIPS 22-5040Saddle mounted step pad. Molded oval end caps. Features cradle mounted tubes and no drill installation. Black powder coated mild steel finish. 3 year warranty.... Westin Premier 4 Oval Nerf Step Bars 91 in - Stainless Steel 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $436.71 |
 IN STOCK - DROPSHIPS 22-5045Saddle mounted step pad. Molded oval end caps. Features cradle mounted tubes and no drill installation. Black powder coated mild steel finish. 3 year warranty.... Westin Premier 4 Oval Nerf Step Bars 91 in - Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $243.30 |
 IN STOCK - DROPSHIPS 22-6000Westin introduces their new Premier 6 Oval Tube Steps in a highly Polished Stainless Steel or Black Powdercoat Mild Steel finish. The new Premier 6 Oval Side Bars offer tough solid construction with a sleek OE style 5 step pad. Available in 4 lengths 53 75 85 and 91. To ensure a perfect fit Vehicle-... Westin Premier 6 in Oval Side Bar - Stainless Steel 53 in - Stainless Steel 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $386.33 |
 IN STOCK - DROPSHIPS 22-6005Westin introduces their new Premier 6 Oval Tube Steps in a highly Polished Stainless Steel or Black Powdercoat Mild Steel finish. The new Premier 6 Oval Side Bars offer tough solid construction with a sleek 5 step pad. Available in 4 lengths 53 75 85 and 91. To ensure a perfect fit Vehicle-Specific ... Westin Premier 6 in Oval Side Bar - Mild Steel 53 in - Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $221.33 |
 IN STOCK - LOW 22-6040Westin introduces their new Premier 6 Oval Tube Steps in a highly Polished Stainless Steel or Black Powdercoat Mild Steel finish. The new Premier 6 Oval Side Bars offer tough solid construction with a sleek 5 step pad. Available in 4 lengths 53 75 85 and 91. To ensure a perfect fit Vehicle-Specific ... Westin Premier 6 in Oval Side Bar - Stainless Steel 91 in - Stainless Steel 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $490.36 |
 IN STOCK - LOW 22-6045Westin introduces their new Premier 6 Oval Tube Steps in a highly Polished Stainless Steel or Black Powdercoat Mild Steel finish. The new Premier 6 Oval Side Bars offer tough solid construction with a sleek 5 step pad. Available in 4 lengths 53 75 85 and 91. To ensure a perfect fit Vehicle-Specific ... Westin Premier 6 in Oval Side Bar - Mild Steel 91 in - Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $336.77 |
 IN STOCK - DROPSHIPS 25-1685The Signature Series Step Bars are designed with usability and value for money in focus. They are made in galvanized mild steel with a chrome finish. The custom made mounting kits ensure easy installation for all applications.... Westin 1999-2013 Chevy Silverado 1500 Ext Cab Signature 3 Nerf Step Bars - Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $300.52 |