Yukon Gear Polished Aluminum Diff Cover — Fits GM 12 Bolt Truck

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SKU: YUKYP C2-GM12T
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Sale price$299.99 Regular price$311.00
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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

Premium Polished Aluminum Differential Cover for GM 12 Bolt Truck Axles

Enhance the performance and aesthetics of your truck's drivetrain with this exquisite polished aluminum differential cover from Yukon Gear & Axle. Designed specifically for GM 12-bolt truck axles, this cover offers a superior alternative to standard steel covers. The polished aluminum construction not only reduces weight but also provides a stunning, high-performance look that complements any truck build. Its robust design ensures excellent protection for your differential components.

Key Features and Benefits:

  • Lightweight Aluminum Construction: Reduces unsprung weight for potential performance gains.
  • Mirror-Polished Finish: Delivers a show-quality appearance that adds significant visual appeal.
  • Optimized for GM 12 Bolt Truck Axles: Ensures a precise fit for seamless installation.
  • Enhanced Durability: Provides superior protection against impacts and road hazards compared to stock covers.
  • Improved Heat Dissipation: Aluminum material aids in dissipating heat from the differential, potentially extending gear life.

This Yukon Gear differential cover is an ideal upgrade for classic truck enthusiasts, off-roaders, and anyone looking to add a custom touch to their vehicle. Its durable construction and attractive finish make it a standout component. Whether you're restoring a vintage pickup or building a modern custom rig, this polished aluminum cover offers both functional benefits and undeniable style. It's engineered to fit a wide range of GM 12-bolt truck axles, covering many Chevrolet and GMC models from the 1960s through the mid-1980s.

Protect your investment and elevate your truck's look with this premium Yukon Gear differential cover. Find the best in drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1969-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987 Chevrolet Blazer Silverado
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
1963-1974 Chevrolet C10 Pickup Base
1975-1981 Chevrolet G10 Sportvan
1975-1981 Chevrolet G10 Beauville
1975-1981 Chevrolet G10 Chevy Van
1981 Chevrolet G10 Bonaventure
1967 Chevrolet G10 Van Base
1968-1974 Chevrolet G10 Van Sportvan
1969-1974 Chevrolet G10 Van Base
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1986 Chevrolet K10 Scottsdale
1975-1986 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1986 Chevrolet K10 Custom
1963-1974 Chevrolet K10 Pickup Base
1967-1974 Chevrolet K10 Suburban Base
1975-1977 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K10 Suburban Custom Deluxe
1975-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1986 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1984-1986 Chevrolet K10 Suburban Scottsdale
1985-1986 Chevrolet K10 Suburban Silverado
1975 Chevrolet K5 Blazer Custom Deluxe
1975-1980 Chevrolet K5 Blazer Cheyenne
1976 Chevrolet K5 Blazer Base
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1986 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1986 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1987 Chevrolet R10 Custom Deluxe
1987 Chevrolet R10 Scottsdale
1987 Chevrolet R10 Silverado
1963-1966 Chevrolet Suburban Base
1987 Chevrolet V10 Custom Deluxe
1987 Chevrolet V10 Scottsdale
1987 Chevrolet V10 Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1975-1978 GMC C15 Sierra Classic
1975-1978 GMC C15 Sierra Grande
1975-1978 GMC C15 Base
1975-1978 GMC C15 High Sierra
1977 GMC C15 Indy Hauler

…and 74 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

Premium Polished Aluminum Differential Cover for GM 12 Bolt Truck Axles

Enhance the performance and aesthetics of your truck's drivetrain with this exquisite polished aluminum differential cover from Yukon Gear & Axle. Designed specifically for GM 12-bolt truck axles, this cover offers a superior alternative to standard steel covers. The polished aluminum construction not only reduces weight but also provides a stunning, high-performance look that complements any truck build. Its robust design ensures excellent protection for your differential components.

Key Features and Benefits:

  • Lightweight Aluminum Construction: Reduces unsprung weight for potential performance gains.
  • Mirror-Polished Finish: Delivers a show-quality appearance that adds significant visual appeal.
  • Optimized for GM 12 Bolt Truck Axles: Ensures a precise fit for seamless installation.
  • Enhanced Durability: Provides superior protection against impacts and road hazards compared to stock covers.
  • Improved Heat Dissipation: Aluminum material aids in dissipating heat from the differential, potentially extending gear life.

This Yukon Gear differential cover is an ideal upgrade for classic truck enthusiasts, off-roaders, and anyone looking to add a custom touch to their vehicle. Its durable construction and attractive finish make it a standout component. Whether you're restoring a vintage pickup or building a modern custom rig, this polished aluminum cover offers both functional benefits and undeniable style. It's engineered to fit a wide range of GM 12-bolt truck axles, covering many Chevrolet and GMC models from the 1960s through the mid-1980s.

Protect your investment and elevate your truck's look with this premium Yukon Gear differential cover. Find the best in drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1969-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987 Chevrolet Blazer Silverado
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
1963-1974 Chevrolet C10 Pickup Base
1975-1981 Chevrolet G10 Sportvan
1975-1981 Chevrolet G10 Beauville
1975-1981 Chevrolet G10 Chevy Van
1981 Chevrolet G10 Bonaventure
1967 Chevrolet G10 Van Base
1968-1974 Chevrolet G10 Van Sportvan
1969-1974 Chevrolet G10 Van Base
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1986 Chevrolet K10 Scottsdale
1975-1986 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1986 Chevrolet K10 Custom
1963-1974 Chevrolet K10 Pickup Base
1967-1974 Chevrolet K10 Suburban Base
1975-1977 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K10 Suburban Custom Deluxe
1975-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1986 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1984-1986 Chevrolet K10 Suburban Scottsdale
1985-1986 Chevrolet K10 Suburban Silverado
1975 Chevrolet K5 Blazer Custom Deluxe
1975-1980 Chevrolet K5 Blazer Cheyenne
1976 Chevrolet K5 Blazer Base
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1986 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1986 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1987 Chevrolet R10 Custom Deluxe
1987 Chevrolet R10 Scottsdale
1987 Chevrolet R10 Silverado
1963-1966 Chevrolet Suburban Base
1987 Chevrolet V10 Custom Deluxe
1987 Chevrolet V10 Scottsdale
1987 Chevrolet V10 Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1975-1978 GMC C15 Sierra Classic
1975-1978 GMC C15 Sierra Grande
1975-1978 GMC C15 Base
1975-1978 GMC C15 High Sierra
1977 GMC C15 Indy Hauler

…and 74 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

Premium Polished Aluminum Differential Cover for GM 12 Bolt Truck Axles

Enhance the performance and aesthetics of your truck's drivetrain with this exquisite polished aluminum differential cover from Yukon Gear & Axle. Designed specifically for GM 12-bolt truck axles, this cover offers a superior alternative to standard steel covers. The polished aluminum construction not only reduces weight but also provides a stunning, high-performance look that complements any truck build. Its robust design ensures excellent protection for your differential components.

Key Features and Benefits:

  • Lightweight Aluminum Construction: Reduces unsprung weight for potential performance gains.
  • Mirror-Polished Finish: Delivers a show-quality appearance that adds significant visual appeal.
  • Optimized for GM 12 Bolt Truck Axles: Ensures a precise fit for seamless installation.
  • Enhanced Durability: Provides superior protection against impacts and road hazards compared to stock covers.
  • Improved Heat Dissipation: Aluminum material aids in dissipating heat from the differential, potentially extending gear life.

This Yukon Gear differential cover is an ideal upgrade for classic truck enthusiasts, off-roaders, and anyone looking to add a custom touch to their vehicle. Its durable construction and attractive finish make it a standout component. Whether you're restoring a vintage pickup or building a modern custom rig, this polished aluminum cover offers both functional benefits and undeniable style. It's engineered to fit a wide range of GM 12-bolt truck axles, covering many Chevrolet and GMC models from the 1960s through the mid-1980s.

Protect your investment and elevate your truck's look with this premium Yukon Gear differential cover. Find the best in drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1969-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987 Chevrolet Blazer Silverado
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
1963-1974 Chevrolet C10 Pickup Base
1975-1981 Chevrolet G10 Sportvan
1975-1981 Chevrolet G10 Beauville
1975-1981 Chevrolet G10 Chevy Van
1981 Chevrolet G10 Bonaventure
1967 Chevrolet G10 Van Base
1968-1974 Chevrolet G10 Van Sportvan
1969-1974 Chevrolet G10 Van Base
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1986 Chevrolet K10 Scottsdale
1975-1986 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1986 Chevrolet K10 Custom
1963-1974 Chevrolet K10 Pickup Base
1967-1974 Chevrolet K10 Suburban Base
1975-1977 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K10 Suburban Custom Deluxe
1975-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1986 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1984-1986 Chevrolet K10 Suburban Scottsdale
1985-1986 Chevrolet K10 Suburban Silverado
1975 Chevrolet K5 Blazer Custom Deluxe
1975-1980 Chevrolet K5 Blazer Cheyenne
1976 Chevrolet K5 Blazer Base
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1986 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1986 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1987 Chevrolet R10 Custom Deluxe
1987 Chevrolet R10 Scottsdale
1987 Chevrolet R10 Silverado
1963-1966 Chevrolet Suburban Base
1987 Chevrolet V10 Custom Deluxe
1987 Chevrolet V10 Scottsdale
1987 Chevrolet V10 Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1975-1978 GMC C15 Sierra Classic
1975-1978 GMC C15 Sierra Grande
1975-1978 GMC C15 Base
1975-1978 GMC C15 High Sierra
1977 GMC C15 Indy Hauler

…and 74 additional fitments. Contact us to confirm yours.

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