Yukon Gear & Axle · New
Yukon Gear Ford 9in Differential Dropout Assembly 31 Spline 3.70 Ratio
MPN YDAF9-370-31 · Store SKU yukYDAF9-370-31
Supplier stock checked 11/7/2026, 10:56:24 AM UTC. Adding a part does not reserve it.
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Product details
Yukon dropout assemblies are built by expert Yukon technicians and come complete, properly shimmed and backlashed to spec. All you do is install the third member into your diff housing, bolt on the diff cover, add fluid, and roll. This unit features a nodular iron case which improves rigidity and power handling, reducing deflection for consistent gear contact and a long service life. Yukon dropout assemblies are built by expert Yukon technicians and come complete, fully shimmed and backlashed to spec. All you do is install the third member into your diff housing, bolt on the diff cover, add fluid, and roll. Yukon dropout assemblies are built by expert Yukon technicians and come complete; fully shimmed and backlashed to spec. All you do is install the third member into your diff housing; bolt on the diff cover; add fluid; and roll. Yukon Dropout Assembly for Ford 9in. Differential; 31 Spline; 3.70 Ratio Yukon Dropout Assembly for Ford 9” Differential, 31 Spline, 3.70 Ratio
Manufacturer fitment & guides
Check YDAF9-370-31 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
