What size bolts does this cover use?

This Yukon Gear Hardcore diff cover is designed for GM 8.5in rear ends that use 5/16in cover bolts. Make sure to check your vehicle's specifications before ordering to ensure proper fitment.

Does this diff cover come with a gasket?

This Yukon Gear Hardcore diff cover does not include a gasket. You'll want to source a gasket or sealant separately to ensure a leak-free seal when installing the cover.

Will this cover fit other GM rear ends?

This Yukon Gear Hardcore diff cover is specifically designed for GM 8.5in rear ends. It will not fit other GM rear end sizes. Verify your axle's specifications before purchasing.

Yukon Gear Hardcore Diff Cover for 8.5inch GM Rear w/ 5/16inch Cover Bolts

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Yukon Gear & Axle

Yukon Gear Hardcore Diff Cover for 8.5inch GM Rear w/ 5/16inch Cover Bolts

Name: Yukon Gear Hardcore Diff Cover for 8.5inch GM Rear w/ 5/16inch Cover Bolts
Brand: Yukon Gear & Axle
Price: 274.89 USD
Availability: InStock

$274.89

Protect your GM 8.5in rear end with this strong nodular steel diff cover from Yukon Gear.

Key Features

Nodular steel construction — strong protection for your differential
Increases structural rigidity — reduces deflection under high torque
Powder coat finish — resists corrosion
High strength steel fasteners included — easy bolt-on installation

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Will this fit your vehicle?

Compatible with 454 vehicles

Need Help?

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Since 1957

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Product Details

8.5in. GM Rear Yukon Nodular Iron Differential Cover; Early with 5/16in. Cover Bolts
8.5" GM Rear Yukon Nodular Iron Differential Cover, Early with 5/16" Cover Bolts

Yukon Hardcore Diff Covers are constructed from thick-walled, high-strength nodular steel to protect lockers, gears and axles from the most extreme hits in off road driving. They also increase the structural rigidity of the differential, reducing deflection under high-torque situations that can put severe loads on vital internal parts. Yukon Hardcore Diff Covers feature a durable powder coat finish and high strength steel fasteners for easy bolt-on installation. It’s no secret that the underside of your rig can take a beating. Remember your diff! It’s the lowest hanging fruit and very susceptible to damage… crack or break it and you’re done for the day. Upgrade to a Yukon Hardcore Diff Cover and enjoy more peace of mind on the trail. Yukon Hardcore Diff Covers are constructed from thick-walled, high-strength nodular steel to protect lockers, gears and axles from the most extreme hits in off road driving. They also increase the structural rigidity of the differential, reducing deflection under high-torque situations that can put severe loads on vital internal parts. Yukon Hardcore Diff Covers feature a durable powder coat finish and high strength steel fasteners for easy bolt-on installation. It's no secret that the underside of your rig can take a beating. Remember your diff! It's the lowest hanging fruit and very susceptible to damage… crack or break it and you're done for the day. Upgrade to a Yukon Hardcore Diff Cover and enjoy more peace of mind on the trail.