Looking for aftermarket parts to modify or upgrade your 2003 Jeep Wrangler with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories.

IN STOCK - LOW YDGD44-4-30-1The 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 Dana 44 / 30 Spline / 3.92+ 2003-2006 Jeep Wrangler Rubicon $900.89 |
IN STOCK YDGM35-4-27-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Duragrip Posi For Dana 35 w/ 27 Spline Axles / 3.54 and Up 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $785.89 |

IN STOCK - LOW YGLD30-4-27Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For Dana 30 / 27 Spline / 3.73+ 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2010 Jeep Wrangler X 2003-2017 Jeep Wrangler Rubicon $988.89 |
IN STOCK - DROPSHIPS YGLD30-4-30Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker / Dana 30 / 30 Spline / 3.73+ 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2010 Jeep Wrangler X 2003-2017 Jeep Wrangler Rubicon $988.89 |
IN STOCK - DROPSHIPS YGLM35-4-27Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For Model 35 w/ 27 Spline Axles / 3.54 Up 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $1,098.89 |
IN STOCK - DROPSHIPS YGLM35-4-30Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For Model 35 w/ 30 Spline Axles / 3.54 Up 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $1,127.89 |

IN STOCK - DROPSHIPS YP MINSD44-30Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools ar... Yukon Gear Mini Spool For Dana Spicer 44 w/ 30 Spline Axles 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $207.89 |

IN STOCK - DROPSHIPS SL D30-27The Spartan Locker by USA Standard Gear provides reliable traction at a low cost. The Spartan Locker's patent pending design replaces the spider gears in a standard carrier case, does not use the thrust washers, and has a revolutionary spring-and-pin design that makes installation even easier! This ... USA Standard Spartan Locker For Dana 30 Diff w/ 27 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2010 Jeep Wrangler X 2003-2017 Jeep Wrangler Rubicon $682.89 |
IN STOCK - DROPSHIPS SL M35-1.5-27USA Standard Spartan Locker For Model 35 w/ 27 Spline Axles and a 1.560in Carrier 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $708.89 |
IN STOCK - DROPSHIPS SL M35-1.6-27USA Standard Spartan Locker For Model 35 w/ 27 Spline Axles and a 1.625in Carrier 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $701.89 |
IN STOCK - DROPSHIPS SL XP-D30USA Standard Spartan Locker Replacement Cross Pin For Dana 30 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2010 Jeep Wrangler X 2003-2017 Jeep Wrangler Rubicon $56.89 |
IN STOCK - DROPSHIPS SL XP-M35USA Standard Spartan Locker Model 35 Spartan Locker Cross Pin 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $56.89 |

IN STOCK - DROPSHIPS YP FSD44-3-30DNYukon Full Spools are a cost-effective way to convert a diff to 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each Yukon spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedic... Yukon Gear Dana 44 Steel Spool Replacement 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $406.89 |

IN STOCK - DROPSHIPS ZP MINSD44-30USA Standard Gear Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Fu... USA Standard Mini Spool For Dana 44 w/ 30 Spline Axles 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $151.89 |

IN STOCK - DROPSHIPS ZP FSD44-3-30DNInstalling a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outs... USA Standard Steel Spool For Dana 44 w/ 30 Spline Axles / 3.73 & Down 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $317.89 |
IN STOCK - DROPSHIPS ZP FSD44-4-30UPInstalling a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outs... USA Standard Steel Spool For Dana 44 w/ 30 Spline Axles / 3.92+ 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $302.89 |

IN STOCK - DROPSHIPS YZLAPRT-01The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability.... Yukon Gear Pin Removal Tool For Model 35 Zip Locker 1997-2004 Jeep Wrangler Sahara 1997-2006 Jeep Wrangler SE / Sport 2002-2006 Jeep Wrangler X 2003-2006 Jeep Wrangler Rubicon $32.85 |