Fluid · Rear Differential
Rear Differential
for 1998 Ford Econoline 4.9L I6 · RWD
Fluid Type
75W-90 or 80W-90 gear oil
Spec: API GL-5
Capacity
5.7qt
5.39 L
Drain & Refill
5.7 qt
5.39 L
Change Interval
100,000 mi
160,900 km
Notes
Ford 10.25" or 10.5" Sterling rear axle typical. Capacity varies by axle model; 5.7qt is typical for full-float 10.25". Add 4-6oz friction modifier if limited slip.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.