Dana 44 Yukon Zip Locker, 30-spline, 3.92-up, 71-96 Ford Bronco SKU: YZLD44-4-30

Yukon Zip Locker – On-Demand Air-Operated Traction | Dana 44 Applications

Conquer any terrain with the Yukon Zip Locker, a selectable air locker designed for drivers who demand traction on their terms. With a flip of a switch, this air-operated unit shifts from an open differential to 100% lockup, delivering maximum grip when the trail turns brutal. Built with ultra-tough 4320 Chrome Moly internals, the Zip Locker brings elite strength and reliability to your Dana 44-equipped rig. It’s a game-changer for anyone serious about off-road control.

• Selectable On-Demand Traction: Air-operated design gives you the power to lock or unlock your differential at will

• 4320 Chrome Moly Internals: Built with premium alloy steel for superior strength under load

• Narrow Case Design: Fits Dana 44 narrow housings—order (2) DS 42563 spacers for wide housing setups

• ABS Compatible: Designed to work with ABS-equipped axles

• Assembled in the USA: Precision-built for reliability and performance on and off the trail

• Industry-Leading Warranty from Yukon: Includes locker replacement, collateral damage, and labor—up to $2,000

Fitment: Dana 44 axle applications including:

• 1971–96 Ford Bronco

• 1953–79 Ford F100

• 1975–96 Ford F150

• 1959–90 Ford F250

• 1979 Ford F350

Install Notes: Requires onboard air compressor (sold separately). Professional install recommended for best results

Take control of your traction with a Yukon Zip Locker - this air-operated locker is open when you want it, locked when you need it, all at the flip of a switch.