Looking for aftermarket parts to modify or upgrade your 2003 GMC Sierra 3500 with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories for your Sierra 3500.
Whether you have a 2003 GMC Sierra 3500 in Base to SLT trim we have you covered. We have 4 differentials available to mod your Sierra 3500. All parts have free shipping to the Continental US 48 States.
IN STOCK YDGGM11.5-30-1The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Dura Grip For GM & Chrysler 11.5in / 30 Spline 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $1,499.89 SALE VIEW PRICE IN CART |
IN STOCK YGLGM11.5-30The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For GM & Chrysler 11.5in w/ 30 Spline Axles 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $1,599.89 SALE VIEW PRICE IN CART |
OUT OF STOCK YGLGM11.5-38The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For GM & Chrysler 11.5in w/ 38 Spline Axles 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $1,899.89 SALE VIEW PRICE IN CART |
IN STOCK - LOW YP FSGM11.5-38Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications.... Yukon Gear Spool For GM & Chrysler 11.5in / 38 Spline 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $1,599.89 SALE CLEARANCE VIEW PRICE IN CART |