aFe Diff Covers 46-71171B Pro GUARD D2 Synthetic 75W-90 Gear Oil: The supplied gear oil (3 quarts) exceeds the performance requirements of API GL-5 recommended for both open and limited slip applications. Pro Series Differential Cover Black w/ Machined Fins & Gear Oil (Dana M220) Pro Series Differential Cover Black w/ Machined Fins & Gear Oil (Dana M220) Ford Ranger 2019 aFe Power Cover Diff Rear Machined w/ Gear Oil 2019 Ford Ranger (Dana M220)
