Yukon GM 14 Bolt nodular iron differential cover on white background
GM 14 Bolt heavy duty diff cover 3/8 bolts on a white background
back view Yukon Hardcore GM 10.5 rear axle cover on a white background
GM 14 Bolt off road differential protection on a white background
Nodular iron GM 14 Bolt diff cover upgrade hardware on a white background
Yukon GM 14 Bolt nodular iron differential cover on white background
GM 14 Bolt heavy duty diff cover 3/8 bolts on a white background
back view Yukon Hardcore GM 10.5 rear axle cover on a white background
GM 14 Bolt off road differential protection on a white background
Nodular iron GM 14 Bolt diff cover upgrade hardware on a white background

Yukon GM 14-Bolt Differential Cover - Rear Axle – Early Style 3/8" Bolts

YUKYHCC-GM14T-S

$242.25
/
Shipping calculated at checkout.

The Yukon Hardcore Nodular Iron Differential Cover for early GM 14-Bolt rear axles is built to protect your differential housing, gears, locker, and bearings from severe off-road abuse. Constructed from thick-wall high-strength nodular iron, this cover dramatically increases housing rigidity while defending against rock impacts, trail damage, and drivetrain flex under heavy torque loads.

Internal oil flow channels help circulate gear oil more efficiently for improved cooling, while the black powder coat finish and stainless accent hardware provide long-term corrosion resistance and aggressive styling.

Included Items

  • Yukon Hardcore Nodular Iron Differential Cover
  • Stainless steel cover hardware
  • Magnetic drain plug
  • Stainless accent plate
Specifications 
  • Fits early GM 14-Bolt rear differentials using 3/8" cover bolts
  • Heavy-duty nodular iron construction
  • Thick-wall design increases housing rigidity
  • Helps reduce carrier deflection under high torque
  • Internal oil circulation design improves cooling
  • Black powder coat finish for corrosion resistance
  • Includes stainless steel hardware and accent plate
  • Magnetic drain plug included
  • Bolt-on installation
  • Designed for severe off-road and towing use
Fitment 
Make Model Year Range
Chevrolet C20 1975–1986
Chevrolet C20 Pickup 1973–1974
Chevrolet C20 Suburban 1973–1998
Chevrolet C2500 1988–2000
Chevrolet C2500 Suburban 1992–1999
Chevrolet C30 1975–1986
Chevrolet C30 Pickup 1973–1974
Chevrolet C3500 1988–2000
Chevrolet K20 1975–1986
Chevrolet K20 Pickup 1973–1974
Chevrolet K20 Suburban 1973–1986
Chevrolet K2500 1988–2000
Chevrolet K2500 Suburban 1992–1999
Chevrolet K30 1977–1986
Chevrolet K30 Pickup 1973–1974
Chevrolet K3500 1988–2000
Chevrolet R20 1987–1988
Chevrolet R20 Suburban 1987–1988
Chevrolet R2500 1989
Chevrolet R2500 Suburban 1989–1991
Chevrolet R30 1987–1988
Chevrolet R3500 1989–1991
Chevrolet Silverado 2500 1999–2000
Chevrolet Suburban 2500 2000
Chevrolet V20 1987
Chevrolet V20 Suburban 1987–1988
Chevrolet V2500 Suburban 1989–1991
Chevrolet V30 1987–1988
Chevrolet V3500 1989–1991
GMC C25 1975–1978
GMC C25 Suburban 1975–1978
GMC C25/C2500 Pickup 1973–1974
GMC C25/C2500 Suburban 1973–1974
GMC C2500 1979–2000
GMC C2500 Suburban 1979–1999
GMC C35 1975–1978
GMC C35/C3500 Pickup 1973–1974
GMC C3500 1979–2000
GMC K25 1975–1978
GMC K25 Suburban 1975–1978
GMC K25/K2500 Pickup 1973–1974
GMC K25/K2500 Suburban 1973–1974
GMC K2500 1979–2000
GMC K2500 Suburban 1979–1999
GMC K35 1977–1978
GMC K35/K3500 Pickup 1973–1974
GMC R2500 1987–1989
GMC R2500 Suburban 1987–1991
GMC R3500 1987–1991
GMC Sierra 2500 1999–2000
GMC V2500 1987
GMC V3500 1987–1991
GMC Yukon XL 2500 2000
Tech Insight 

Differential covers do more than simply hold gear oil. Under high torque loads, the carrier bearing caps and housing can flex, affecting gear mesh and bearing life. A heavy-duty nodular iron cover helps reinforce the housing structure, improving ring and pinion stability during aggressive driving, towing, and crawling conditions.

The GM 14 Bolt axle is already known for exceptional strength, and pairing it with a Yukon Hardcore cover adds another layer of durability and protection for harsh terrain and heavy drivetrain loads.

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