aFe

aFe Pro Series Rear Diff Cover Dana M220 for 21-21 Bronco

Name: aFe Pro Series Rear Diff Cover Dana M220 for 21-21 Bronco
Brand: aFe
SKU: 46-71290B
Price: 328.0 USD
Availability: InStock

$328.00 USD

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Key Features

Durable cast aluminum housing resists impacts and helps protect your Bronco’s Dana M220 rear axle on and off-road
Increased oil capacity and finned design promote cooler differential temperatures for more consistent performance
Black powder coat with machined fins delivers corrosion resistance and a clean, high-end appearance under your Bronco
Dual neodymium magnetic plugs help capture metal particles to keep your gear oil cleaner over time
Integrated sight glass allows quick visual checks of oil level without removing plugs
Direct-fit design for the Bronco Dana M220 rear axle simplifies installation using the factory mounting location

Upgrade the rear axle of your 2021-2023 Ford Bronco with the aFe POWER Pro Series rear differential cover for Dana M220 axles. This cast aluminum rear diff cover is designed to increase durability, improve cooling, and make gear oil checks easier, all while giving your Bronco a clean, performance look.

Key Benefits

Stronger housing protection - Constructed from durable cast aluminum to help shield your Dana M220 rear differential from rocks, debris, and off-road impacts.
Improved cooling performance - Increased oil capacity combined with internal and external cooling fins helps reduce differential temperatures during towing, highway driving, and trail use.
Clean, corrosion-resistant finish - Black powder coat with machined fins offers long-lasting corrosion resistance and a premium appearance behind your Bronco’s rear axle.
Cleaner gear oil - Dual neodymium magnetic plugs are used to attract and capture metal particles suspended in the oil, helping to keep the fluid cleaner between service intervals.
Easy fluid level checks - A built-in sight glass (on this Pro Series design) allows quick visual inspection of differential oil level without removing plugs or hardware.
Direct-fit design - Engineered specifically for the Dana M220 rear axle found in late-model Broncos for a straightforward bolt-on installation using the factory location.

What's Included

aFe POWER Pro Series rear differential cover 46-71290B (black with machined fins)

Fitment

Direct-fit replacement for vehicles equipped with the Dana M220 rear axle:

2021-2023 Ford Bronco (rear)

FAQ

Which axle and position is this cover for?

The Dana M220 REAR axle on the 2021-2023 Ford Bronco. It is a rear cover.

What does it improve?

Added oil capacity with internal and external cooling fins, dual neodymium magnetic plugs, and a sight glass for easy oil-level checks.

Is gear oil included?

No. This is the cover only.

Vehicle Fitment

Years	Make	Model	Submodel	Position
2021–2023	Ford	Bronco	—	Rear

Specifications

material: Cast aluminum
finish: Black powder coat with machined fins
axle: Dana M220 rear axle
color: Black with machined fins
series: Pro Series
cover type: Rear differential cover
oil capacity: Increased oil capacity over stock
magnetic plugs: Dual neodymium magnetic plugs
cooling features: Internal and external fins with increased oil capacity over stock
mounting position: Rear
inspection feature: Pre-installed oil level sight glass
application summary: Dana M220 rear axle
magnetic drain plugs: Dual neodymium magnetic plugs