aFe · New
aFe Power Rear Diff Cover Black w/Machined Fins 17 Ford F-350/F-450 6.7L (td) Dana M300-14 (Dually)
MPN 46-70382 · Store SKU afe46-70382
Supplier stock checked 11/7/2026, 2:56:15 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
aFe Power's new rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable A356-T6 cast aluminum with reinforcing ribs for maximum strength. Mounting hardware is included for a hassle-free installation. An oil level sight glass and calibration plug set to the factory level prevents overfilling of the differential. A magnetic drain plug and a deep reach magnetic fill plug are provided for maximum protection. This cover is finished with black powder-coating and machined fins for a distinctive look. 5 Quart Gear Oil Capacity: This cover has about a 5 quart gear oil capacity at the factory fill level, factory cover holds about 4 quarts. Built-in Cooling Fins: Built-in internal and external cooling fins increase surface area to maximize cooling of the differential oil. Magnetic Drain/Fill Plug: Oil Level Sight Glass: Large oil level sight glass with 1/8'' NPT calibration plug set to the factory fluid level to eliminate overfilling. Pro Series Rear Differential Cover Black w/ Machined Fins Ford Diesel Trucks 17-23 V8-6.7L (td) (Dana M300-14) Pro Series Rear Differential Cover Black w/ Machined Fins
Manufacturer fitment & guides
Check 46-70382 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
