Yukon Gear Hardcore Nodular Iron Diff Cover — Fits GM 8.5in Rear w/ 5/16" Bolts

SKU: YUKYHCC-GM8.5-S
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Sale price$237.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Watch in action

Yukon Gear Hardcore Nodular Iron Differential Cover for GM 8.5" Rear Axles

Equip your GM vehicle with the ultimate protection for its 8.5-inch rear differential using the Yukon Gear Hardcore Nodular Iron Differential Cover. Engineered for axles utilizing 5/16-inch cover bolts, this heavy-duty cover is designed to safeguard your drivetrain components from the rigors of off-road abuse and daily driving impacts.

Superior Strength and Trail Defense

  • High-Strength Nodular Iron: Constructed from thick-walled, high-strength nodular iron, this cover provides exceptional resistance to impacts from rocks, debris, and other trail hazards.
  • Enhanced Structural Integrity: Reinforces the differential housing, reducing deflection under high-torque loads and protecting vital internal components like gears and lockers.
  • Durable Powder Coat Finish: Features a tough, corrosion-resistant powder-coated finish that withstands harsh environmental conditions and maintains a rugged appearance.
  • Secure Bolt-On Installation: Designed for a precise fit on GM 8.5-inch rear axles with 5/16-inch cover bolts, including high-strength steel fasteners for a reliable installation.

Why Upgrade Your Diff Cover?

The differential is a critical component that is often exposed to potential damage on the underside of your vehicle. Impacts can lead to cracks, leaks, or complete failure, resulting in costly repairs and lost trail time. The Yukon Hardcore Diff Cover acts as a formidable shield, absorbing direct hits and reinforcing the axle housing, ensuring your differential remains protected.

Ensure your GM truck or SUV's rear axle is ready for any challenge. Choose the Yukon Hardcore Nodular Iron Diff Cover for superior protection and peace of mind on and off the road.

Explore robust drivetrain solutions at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1999-2000 Cadillac Escalade Base
2002 Cadillac Escalade Base
2002 Cadillac Escalade EXT Base
2002 Chevrolet Avalanche 1500 Base
2002 Chevrolet Avalanche 1500 North Face
2002 Chevrolet Avalanche 1500 On Road Edition
2002 Chevrolet Avalanche 1500 Z71
1972-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987-1994 Chevrolet Blazer Silverado
1988-1991 Chevrolet Blazer Scottsdale
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Silverado Sport
1994-1999 Chevrolet Blazer Base
1995-2001 Chevrolet Blazer LT
1996-2002 Chevrolet Blazer LS
1999-2001 Chevrolet Blazer Trailblazer
2001-2002 Chevrolet Blazer Xtreme
1975-1980 Chevrolet C10 Custom Deluxe
1975-1981 Chevrolet C10 Cheyenne
1975-1986 Chevrolet C10 Scottsdale
1975-1986 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1972-1974 Chevrolet C10 Pickup Base
1972-1974 Chevrolet C10 Suburban Base
1975-1980 Chevrolet C10 Suburban Custom Deluxe
1975-1980 Chevrolet C10 Suburban Scottsdale
1975-1980 Chevrolet C10 Suburban Silverado
1981 Chevrolet C10 Suburban Deluxe
1981-1986 Chevrolet C10 Suburban Custom
1982 Chevrolet C10 Suburban Scottsdale
1982-1986 Chevrolet C10 Suburban Silverado
1984-1986 Chevrolet C10 Suburban Scottsdale
1988-1992 Chevrolet C1500 Scottsdale
1988-1998 Chevrolet C1500 Cheyenne
1988-1998 Chevrolet C1500 Silverado
1990-1993 Chevrolet C1500 454 SS
1990-1998 Chevrolet C1500 WT
1994-1997 Chevrolet C1500 Base
1999 Chevrolet C1500 LS
1992-1994 Chevrolet C1500 Suburban Silverado
1992-1999 Chevrolet C1500 Suburban Base
1995-1997 Chevrolet C1500 Suburban LT
1995-1999 Chevrolet C1500 Suburban LS
1999 Chevrolet C1500 Suburban LT
1975-1977 Chevrolet C20 Suburban Silverado
1979-1980 Chevrolet C20 Suburban Silverado
1982-1986 Chevrolet C20 Suburban Silverado
1992-1994 Chevrolet C2500 Suburban Silverado
1972-1974 Chevrolet El Camino Custom
1972-1987 Chevrolet El Camino Base
1972-1987 Chevrolet El Camino SS
1975-1977 Chevrolet El Camino Classic
1977-1978 Chevrolet El Camino Conquista
1979-1981 Chevrolet El Camino Royal Knight
1981-1986 Chevrolet El Camino Conquista
1996-2002 Chevrolet Express 1500 Base
1996-2002 Chevrolet Express 1500 LS

…and 215 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Watch in action

Yukon Gear Hardcore Nodular Iron Differential Cover for GM 8.5" Rear Axles

Equip your GM vehicle with the ultimate protection for its 8.5-inch rear differential using the Yukon Gear Hardcore Nodular Iron Differential Cover. Engineered for axles utilizing 5/16-inch cover bolts, this heavy-duty cover is designed to safeguard your drivetrain components from the rigors of off-road abuse and daily driving impacts.

Superior Strength and Trail Defense

  • High-Strength Nodular Iron: Constructed from thick-walled, high-strength nodular iron, this cover provides exceptional resistance to impacts from rocks, debris, and other trail hazards.
  • Enhanced Structural Integrity: Reinforces the differential housing, reducing deflection under high-torque loads and protecting vital internal components like gears and lockers.
  • Durable Powder Coat Finish: Features a tough, corrosion-resistant powder-coated finish that withstands harsh environmental conditions and maintains a rugged appearance.
  • Secure Bolt-On Installation: Designed for a precise fit on GM 8.5-inch rear axles with 5/16-inch cover bolts, including high-strength steel fasteners for a reliable installation.

Why Upgrade Your Diff Cover?

The differential is a critical component that is often exposed to potential damage on the underside of your vehicle. Impacts can lead to cracks, leaks, or complete failure, resulting in costly repairs and lost trail time. The Yukon Hardcore Diff Cover acts as a formidable shield, absorbing direct hits and reinforcing the axle housing, ensuring your differential remains protected.

Ensure your GM truck or SUV's rear axle is ready for any challenge. Choose the Yukon Hardcore Nodular Iron Diff Cover for superior protection and peace of mind on and off the road.

Explore robust drivetrain solutions at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1999-2000 Cadillac Escalade Base
2002 Cadillac Escalade Base
2002 Cadillac Escalade EXT Base
2002 Chevrolet Avalanche 1500 Base
2002 Chevrolet Avalanche 1500 North Face
2002 Chevrolet Avalanche 1500 On Road Edition
2002 Chevrolet Avalanche 1500 Z71
1972-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987-1994 Chevrolet Blazer Silverado
1988-1991 Chevrolet Blazer Scottsdale
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Silverado Sport
1994-1999 Chevrolet Blazer Base
1995-2001 Chevrolet Blazer LT
1996-2002 Chevrolet Blazer LS
1999-2001 Chevrolet Blazer Trailblazer
2001-2002 Chevrolet Blazer Xtreme
1975-1980 Chevrolet C10 Custom Deluxe
1975-1981 Chevrolet C10 Cheyenne
1975-1986 Chevrolet C10 Scottsdale
1975-1986 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1972-1974 Chevrolet C10 Pickup Base
1972-1974 Chevrolet C10 Suburban Base
1975-1980 Chevrolet C10 Suburban Custom Deluxe
1975-1980 Chevrolet C10 Suburban Scottsdale
1975-1980 Chevrolet C10 Suburban Silverado
1981 Chevrolet C10 Suburban Deluxe
1981-1986 Chevrolet C10 Suburban Custom
1982 Chevrolet C10 Suburban Scottsdale
1982-1986 Chevrolet C10 Suburban Silverado
1984-1986 Chevrolet C10 Suburban Scottsdale
1988-1992 Chevrolet C1500 Scottsdale
1988-1998 Chevrolet C1500 Cheyenne
1988-1998 Chevrolet C1500 Silverado
1990-1993 Chevrolet C1500 454 SS
1990-1998 Chevrolet C1500 WT
1994-1997 Chevrolet C1500 Base
1999 Chevrolet C1500 LS
1992-1994 Chevrolet C1500 Suburban Silverado
1992-1999 Chevrolet C1500 Suburban Base
1995-1997 Chevrolet C1500 Suburban LT
1995-1999 Chevrolet C1500 Suburban LS
1999 Chevrolet C1500 Suburban LT
1975-1977 Chevrolet C20 Suburban Silverado
1979-1980 Chevrolet C20 Suburban Silverado
1982-1986 Chevrolet C20 Suburban Silverado
1992-1994 Chevrolet C2500 Suburban Silverado
1972-1974 Chevrolet El Camino Custom
1972-1987 Chevrolet El Camino Base
1972-1987 Chevrolet El Camino SS
1975-1977 Chevrolet El Camino Classic
1977-1978 Chevrolet El Camino Conquista
1979-1981 Chevrolet El Camino Royal Knight
1981-1986 Chevrolet El Camino Conquista
1996-2002 Chevrolet Express 1500 Base
1996-2002 Chevrolet Express 1500 LS

…and 215 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Watch in action

Yukon Gear Hardcore Nodular Iron Differential Cover for GM 8.5" Rear Axles

Equip your GM vehicle with the ultimate protection for its 8.5-inch rear differential using the Yukon Gear Hardcore Nodular Iron Differential Cover. Engineered for axles utilizing 5/16-inch cover bolts, this heavy-duty cover is designed to safeguard your drivetrain components from the rigors of off-road abuse and daily driving impacts.

Superior Strength and Trail Defense

  • High-Strength Nodular Iron: Constructed from thick-walled, high-strength nodular iron, this cover provides exceptional resistance to impacts from rocks, debris, and other trail hazards.
  • Enhanced Structural Integrity: Reinforces the differential housing, reducing deflection under high-torque loads and protecting vital internal components like gears and lockers.
  • Durable Powder Coat Finish: Features a tough, corrosion-resistant powder-coated finish that withstands harsh environmental conditions and maintains a rugged appearance.
  • Secure Bolt-On Installation: Designed for a precise fit on GM 8.5-inch rear axles with 5/16-inch cover bolts, including high-strength steel fasteners for a reliable installation.

Why Upgrade Your Diff Cover?

The differential is a critical component that is often exposed to potential damage on the underside of your vehicle. Impacts can lead to cracks, leaks, or complete failure, resulting in costly repairs and lost trail time. The Yukon Hardcore Diff Cover acts as a formidable shield, absorbing direct hits and reinforcing the axle housing, ensuring your differential remains protected.

Ensure your GM truck or SUV's rear axle is ready for any challenge. Choose the Yukon Hardcore Nodular Iron Diff Cover for superior protection and peace of mind on and off the road.

Explore robust drivetrain solutions at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1999-2000 Cadillac Escalade Base
2002 Cadillac Escalade Base
2002 Cadillac Escalade EXT Base
2002 Chevrolet Avalanche 1500 Base
2002 Chevrolet Avalanche 1500 North Face
2002 Chevrolet Avalanche 1500 On Road Edition
2002 Chevrolet Avalanche 1500 Z71
1972-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987-1994 Chevrolet Blazer Silverado
1988-1991 Chevrolet Blazer Scottsdale
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Silverado Sport
1994-1999 Chevrolet Blazer Base
1995-2001 Chevrolet Blazer LT
1996-2002 Chevrolet Blazer LS
1999-2001 Chevrolet Blazer Trailblazer
2001-2002 Chevrolet Blazer Xtreme
1975-1980 Chevrolet C10 Custom Deluxe
1975-1981 Chevrolet C10 Cheyenne
1975-1986 Chevrolet C10 Scottsdale
1975-1986 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1972-1974 Chevrolet C10 Pickup Base
1972-1974 Chevrolet C10 Suburban Base
1975-1980 Chevrolet C10 Suburban Custom Deluxe
1975-1980 Chevrolet C10 Suburban Scottsdale
1975-1980 Chevrolet C10 Suburban Silverado
1981 Chevrolet C10 Suburban Deluxe
1981-1986 Chevrolet C10 Suburban Custom
1982 Chevrolet C10 Suburban Scottsdale
1982-1986 Chevrolet C10 Suburban Silverado
1984-1986 Chevrolet C10 Suburban Scottsdale
1988-1992 Chevrolet C1500 Scottsdale
1988-1998 Chevrolet C1500 Cheyenne
1988-1998 Chevrolet C1500 Silverado
1990-1993 Chevrolet C1500 454 SS
1990-1998 Chevrolet C1500 WT
1994-1997 Chevrolet C1500 Base
1999 Chevrolet C1500 LS
1992-1994 Chevrolet C1500 Suburban Silverado
1992-1999 Chevrolet C1500 Suburban Base
1995-1997 Chevrolet C1500 Suburban LT
1995-1999 Chevrolet C1500 Suburban LS
1999 Chevrolet C1500 Suburban LT
1975-1977 Chevrolet C20 Suburban Silverado
1979-1980 Chevrolet C20 Suburban Silverado
1982-1986 Chevrolet C20 Suburban Silverado
1992-1994 Chevrolet C2500 Suburban Silverado
1972-1974 Chevrolet El Camino Custom
1972-1987 Chevrolet El Camino Base
1972-1987 Chevrolet El Camino SS
1975-1977 Chevrolet El Camino Classic
1977-1978 Chevrolet El Camino Conquista
1979-1981 Chevrolet El Camino Royal Knight
1981-1986 Chevrolet El Camino Conquista
1996-2002 Chevrolet Express 1500 Base
1996-2002 Chevrolet Express 1500 LS

…and 215 additional fitments. Contact us to confirm yours.

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