Looking for aftermarket parts to modify or upgrade your GMC Sierra 2500 with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories for your Sierra 2500.
Whether you have a 2001 or 2004 GMC Sierra 2500 in Base to WT trim we have you covered. We have 5 differentials available to mod your Sierra 2500. All parts have free shipping to the Continental US 48 States.
 IN STOCK RD139Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.... ARB Airlocker 11.5In 30 Spl Aa&M S/N. 2001-2002 GMC Sierra 2500 SL 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $1,158.00 |
 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 2001-2002 GMC Sierra 2500 SL 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $1,499.89 |
 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 2001-2002 GMC Sierra 2500 SL 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $1,599.89 |
 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 2001-2002 GMC Sierra 2500 SL 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $1,899.89 |
 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 2001-2002 GMC Sierra 2500 SL 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $1,599.89 CLEARANCE VIEW PRICE IN CART |