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

OUT OF STOCK YDGF7.5-28Yukon 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 Dura Grip For Ford 7.5in 1986-1994 Ford Aerostar XL 1986-1997 Ford Aerostar Base / XLT 1988-1994 Ford Aerostar Eddie Bauer 1989-1994 Ford Aerostar XL Plus 1989-1997 Ford Aerostar XLT Plus 1991-1994 Ford Aerostar XL Sport 1991-1997 Ford Aerostar XLT Sport $865.89 |

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+ 1986-1989 Ford Aerostar Base / XL / XLT 1988-1989 Ford Aerostar Eddie Bauer 1989-1989 Ford Aerostar XL Plus / XLT Plus $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+ 1986-1989 Ford Aerostar Base / XL / XLT 1988-1989 Ford Aerostar Eddie Bauer 1989-1989 Ford Aerostar XL Plus / XLT Plus $988.89 |

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 1986-1989 Ford Aerostar Base / XL / XLT 1988-1989 Ford Aerostar Eddie Bauer 1989-1989 Ford Aerostar XL Plus / XLT Plus $682.89 |
IN STOCK - DROPSHIPS SL XP-D30USA Standard Spartan Locker Replacement Cross Pin For Dana 30 1986-1989 Ford Aerostar Base / XL / XLT 1988-1989 Ford Aerostar Eddie Bauer 1989-1989 Ford Aerostar XL Plus / XLT Plus $56.89 |

IN STOCK - DROPSHIPS YZLAL-01Yukon Gear 20 Long Air Line For Zip Locker 1986-1989 Ford Aerostar Base / XL / XLT 1988-1989 Ford Aerostar Eddie Bauer 1989-1989 Ford Aerostar XL Plus / XLT Plus $37.87 |
IN STOCK - DROPSHIPS YZLAL-KITYukon Gear Air Line Repair Kit / Zip Locker 1986-1989 Ford Aerostar Base / XL / XLT 1988-1989 Ford Aerostar Eddie Bauer 1989-1989 Ford Aerostar XL Plus / XLT Plus $63.02 |
IN STOCK - DROPSHIPS YZLPUKThe 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 Pump Up Kit / Zip Locker 1986-1989 Ford Aerostar Base / XL / XLT 1988-1989 Ford Aerostar Eddie Bauer 1989-1989 Ford Aerostar XL Plus / XLT Plus $187.89 |