aFe · New
aFe Power Rear Differential Cover (Machined Raw) 15-17 GM Colorado/Canyon 12 Bolt Axles
MPN 46-70300 · Store SKU afe46-70300
Supplier stock checked 11/7/2026, 6:56:37 AM 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 sand-cast A356-T6 aluminum with reinforcing ribs for maximum strength. This cover comes with mounting hardware for a hassle-free installation. The differential covers includes an oil level sight glass and deep reach magnetic fill plug for maximum protection. This cover is finished with machined fins for a distinctive look. 2 Quart Lube Capacity: This cover has about a 2 quart lube capacity at the factory fill level, factory cover holds about 1.5 quarts. Built-in External Fins: Built-in external fins transfer heat from the fluid to the outside air for maximum cooling. Magnetic Drain Plug: This system incorporates a magnetic drain plug that captures loose particles for maximum rear-end protection. Oil Level calibration plug: A 1/8" NPT calibration plug is set to the factory fluid level which eliminates accidental overfilling. aFe POWER Street Series Rear Differential Cover Raw w/ Machined Fins GM Colorado/Canyon 15-22 L4/V6 (Dana M220-12) aFe POWER Street Series Rear Differential Cover Raw w/ Machined Fins
Manufacturer fitment & guides
Check 46-70300 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
