View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 2003 GMC Sierra 3500 with side steps? At Tunersports.com we carry a huge selection of the top name brand performance side step parts and accessories.
 IN STOCK - DROPSHIPS 660180PSThe 6" OE Xtreme II Side Steps gives your truck the classic OE rectangular running board look without the factory prices. They feature Go Rhino's signature SuperGrip™ rubber step pads, which maintain a non-slip surface even when wet. (Replacement bars only - mounting brackets not included). Limit... Go Rhino 6in OE Xtreme II SideSteps - SS - 80in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $599.99 |
IN STOCK - DROPSHIPS 660180TThe 6" OE Xtreme II Side Steps gives your truck the classic OE rectangular running board look without the factory prices. They feature Go Rhino's signature SuperGrip™ rubber step pads, which maintain a non-slip surface even when wet. They are offered in lengths of 52" to 87" and come with or witho... Go Rhino 6in OE Xtreme II SideSteps - Tex Blk - 80in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $544.99 |
OUT OF STOCK 660187PSThe 6" OE Xtreme II Side Steps gives your truck the classic OE rectangular running board look without the factory prices. They feature Go Rhino's signature SuperGrip™ rubber step pads, which maintain a non-slip surface even when wet. (Replacement bars only - mounting brackets not included). Limit... Go Rhino 6in OE Xtreme II SideSteps - SS - 87in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $624.99 |
OUT OF STOCK 660187TThe 6" OE Xtreme II Side Steps gives your truck the classic OE rectangular running board look without the factory prices. They feature Go Rhino's signature SuperGrip™ rubber step pads, which maintain a non-slip surface even when wet. They are offered in lengths of 52" to 87" and come with or witho... Go Rhino 6in OE Xtreme II SideSteps - Tex Blk - 87in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $544.99 |
 SHIPS FROM MANUFACTURER 680180BGo Rhino's 6" OE Xtreme Composite features composite construction with aluminum mounting rails and SuperGrip step pads. (Replacement bars only - mounting brackets not included)... Go Rhino 6in OE Xtreme SideSteps - Black - 80in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $439.99 |
 OUT OF STOCK 680180CGo Rhino's 6" OE Xtreme Composite features composite construction with aluminum mounting rails and SuperGrip step pads. (Replacement bars only - mounting brackets not included)... Go Rhino 6in OE Xtreme SideSteps - Chrome - 80in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $519.99 |
IN STOCK - LOW 680280BGo Rhino's 6" OE Xtreme Composite features composite construction with aluminum mounting rails and SuperGrip step pads. (Replacement bars only - mounting brackets not included)... Go Rhino 6in OE Xtreme SideSteps - Black - 87in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $439.99 CLEARANCE VIEW PRICE IN CART |
 SHIPS FROM MANUFACTURER 680280CGo Rhino's 6" OE Xtreme Composite features composite construction with aluminum mounting rails and SuperGrip step pads. (Replacement bars only - mounting brackets not included)... Go Rhino 6in OE Xtreme SideSteps - Chrome - 80in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $514.99 |
 OUT OF STOCK 680287CGo Rhino's 6" OE Xtreme Composite features composite construction with aluminum mounting rails and SuperGrip step pads. (Replacement bars only - mounting brackets not included)... Go Rhino 6in OE Xtreme SideSteps - Chrome - 87in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $514.99 |
 IN STOCK - DROPSHIPS C0180CCBuilt with today's work truck in mind, N-FAB offers its patented hoop step design and innovative mounting system in a Cab Length configuration. Designed with classic N-FAB styling, Cab Length Nerf Steps are ideal for flat bed trucks, stake bed trucks, vehicles with campers, and even trucks with side... N-Fab Nerf Step 01-06 Chevy-GMC 1500/2500/3500 Crew Cab - Gloss Black - Cab Length - 3in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $299.99 |
OUT OF STOCK C0180CC-TXBuilt with today's work truck in mind, N-FAB offers its patented hoop step design and innovative mounting system in a Cab Length configuration. Designed with classic N-FAB styling, Cab Length Nerf Steps are ideal for flat bed trucks, stake bed trucks, vehicles with campers, and even trucks with side... N-Fab Nerf Step 01-06 Chevy-GMC 1500/2500/3500 Crew Cab - Tex. Black - Cab Length - 3in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $299.99 |
OUT OF STOCK C9973QCBuilt with today's work truck in mind, N-FAB offers its patented hoop step design and innovative mounting system in a Cab Length configuration. Designed with classic N-FAB styling, Cab Length Nerf Steps are ideal for flat bed trucks, stake bed trucks, vehicles with campers, and even trucks with side... N-Fab Nerf Step 99-06 Chevy-GMC 2500/3500 Ext. Cab - Gloss Black - Cab Length - 3in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $299.99 |
OUT OF STOCK C9973QC-TXBuilt with today's work truck in mind, N-FAB offers its patented hoop step design and innovative mounting system in a Cab Length configuration. Designed with classic N-FAB styling, Cab Length Nerf Steps are ideal for flat bed trucks, stake bed trucks, vehicles with campers, and even trucks with side... N-Fab Nerf Step 99-06 Chevy-GMC 2500/3500 Ext. Cab - Tex. Black - Cab Length - 3in 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $299.99 |
 IN STOCK - LOW 14180Xtremeline Side Bars has the styling appeal of a side bar coupled with easy installation. Also, features and strength of a running board. With 50% more step area than regular tube steps and with a finished OE look. These bars are styling, yet functional. The end caps provide a streamline look and be... Rampage 1999-2019 Universal Xtremeline Step Bar 80 Inch - Stainless 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $351.66 CLEARANCE VIEW PRICE IN CART |
 IN STOCK 16180Xtremeline Side Bars has the styling appeal of a side bar coupled with easy installation features and strength of a running board. With 50% more step area than regular tube steps with finished, OE look, these bars are styling, yet functional. The end caps provide a streamline look and be painted for... Rampage 1999-2019 Universal Xtremeline Step Bar 80 Inch - Black 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $281.59 CLEARANCE VIEW PRICE IN CART |