Yukon Gear Pinion Seal for GM 8.5in / 8.2in / Buick / Olds / Pontiac

SKU: YUKYMS2043
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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 Mighty Pinion Seal for GM Differentials

Ensure a reliable seal for your GM vehicle's differential with this high-quality Yukon Gear Mighty Pinion Seal. Designed to meet the rigorous demands of automotive applications, this seal is crafted using advanced manufacturing techniques for a precise fit and exceptional durability. It is specifically intended for GM 8.5-inch and 8.2-inch rear differentials commonly found in a wide range of Buick, Oldsmobile, and Pontiac models from the 1970s through the 1980s.

Product Features:

  • Latest design and manufacturing technology
  • Precision fit for optimal sealing performance
  • Durable construction ensures long service life
  • Effectively prevents differential fluid leaks
  • Protects internal components from contaminants
  • Direct replacement for various GM vehicles

A leaking pinion seal can compromise the performance and longevity of your differential. This Yukon Mighty Seal provides a robust solution, preventing fluid loss and keeping dirt, water, and other damaging elements out of your differential housing. Its high-quality construction guarantees reliable operation under various driving conditions. Whether you're restoring a classic or performing routine maintenance on your GM vehicle, this pinion seal is an essential component for maintaining drivetrain integrity. Trust Yukon Gear & Axle for dependable drivetrain solutions.

Keep your GM differential sealed and protected. Find this Yukon Gear Pinion Seal at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1973-1975 Buick Apollo Base
1975 Buick Apollo SR
1973 Buick Electra Base
1973-1974 Buick Electra 225
1973-1974 Buick Electra 225 Custom
1974 Buick Electra 225 Limited
1975 Buick Electra Custom
1975-1985 Buick Electra Limited
1976-1979 Buick Electra 225
1978-1985 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985 Buick Electra T-Type
1973-1987 Buick Regal Base
1976-1977 Buick Regal SR
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1975-1977 Buick Skylark SR
1975-1979 Buick Skylark Base
1976-1979 Buick Skylark S
1978 Buick Skylark Sport
1978-1979 Buick Skylark Custom
1973-1975 Chevrolet Bel Air Base
1979-1980 Chevrolet C10 Big Ten
1979-1980 Chevrolet C10 Custom Deluxe
1979-1981 Chevrolet C10 Cheyenne
1979-1986 Chevrolet C10 Scottsdale
1979-1986 Chevrolet C10 Silverado
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1979-1980 Chevrolet C10 Suburban Scottsdale
1979-1980 Chevrolet C10 Suburban Silverado
1979-1980 Chevrolet C10 Suburban Custom Deluxe
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
1988-1997 Chevrolet C1500 Cheyenne
1988-1997 Chevrolet C1500 Silverado
1990-1993 Chevrolet C1500 454 SS
1990-1997 Chevrolet C1500 WT
1994-1997 Chevrolet C1500 Base
1992-1994 Chevrolet C1500 Suburban Silverado
1992-1997 Chevrolet C1500 Suburban Base
1995-1997 Chevrolet C1500 Suburban LS
1995-1997 Chevrolet C1500 Suburban LT
1973 Chevrolet Camaro RS
1973-1974 Chevrolet Camaro Z28
1973-1978 Chevrolet Camaro LT
1973-1980 Chevrolet Camaro Base
1975 Chevrolet Camaro RS
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1977-1981 Chevrolet Camaro Z28

…and 225 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 Mighty Pinion Seal for GM Differentials

Ensure a reliable seal for your GM vehicle's differential with this high-quality Yukon Gear Mighty Pinion Seal. Designed to meet the rigorous demands of automotive applications, this seal is crafted using advanced manufacturing techniques for a precise fit and exceptional durability. It is specifically intended for GM 8.5-inch and 8.2-inch rear differentials commonly found in a wide range of Buick, Oldsmobile, and Pontiac models from the 1970s through the 1980s.

Product Features:

  • Latest design and manufacturing technology
  • Precision fit for optimal sealing performance
  • Durable construction ensures long service life
  • Effectively prevents differential fluid leaks
  • Protects internal components from contaminants
  • Direct replacement for various GM vehicles

A leaking pinion seal can compromise the performance and longevity of your differential. This Yukon Mighty Seal provides a robust solution, preventing fluid loss and keeping dirt, water, and other damaging elements out of your differential housing. Its high-quality construction guarantees reliable operation under various driving conditions. Whether you're restoring a classic or performing routine maintenance on your GM vehicle, this pinion seal is an essential component for maintaining drivetrain integrity. Trust Yukon Gear & Axle for dependable drivetrain solutions.

Keep your GM differential sealed and protected. Find this Yukon Gear Pinion Seal at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1973-1975 Buick Apollo Base
1975 Buick Apollo SR
1973 Buick Electra Base
1973-1974 Buick Electra 225
1973-1974 Buick Electra 225 Custom
1974 Buick Electra 225 Limited
1975 Buick Electra Custom
1975-1985 Buick Electra Limited
1976-1979 Buick Electra 225
1978-1985 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985 Buick Electra T-Type
1973-1987 Buick Regal Base
1976-1977 Buick Regal SR
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1975-1977 Buick Skylark SR
1975-1979 Buick Skylark Base
1976-1979 Buick Skylark S
1978 Buick Skylark Sport
1978-1979 Buick Skylark Custom
1973-1975 Chevrolet Bel Air Base
1979-1980 Chevrolet C10 Big Ten
1979-1980 Chevrolet C10 Custom Deluxe
1979-1981 Chevrolet C10 Cheyenne
1979-1986 Chevrolet C10 Scottsdale
1979-1986 Chevrolet C10 Silverado
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1979-1980 Chevrolet C10 Suburban Scottsdale
1979-1980 Chevrolet C10 Suburban Silverado
1979-1980 Chevrolet C10 Suburban Custom Deluxe
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
1988-1997 Chevrolet C1500 Cheyenne
1988-1997 Chevrolet C1500 Silverado
1990-1993 Chevrolet C1500 454 SS
1990-1997 Chevrolet C1500 WT
1994-1997 Chevrolet C1500 Base
1992-1994 Chevrolet C1500 Suburban Silverado
1992-1997 Chevrolet C1500 Suburban Base
1995-1997 Chevrolet C1500 Suburban LS
1995-1997 Chevrolet C1500 Suburban LT
1973 Chevrolet Camaro RS
1973-1974 Chevrolet Camaro Z28
1973-1978 Chevrolet Camaro LT
1973-1980 Chevrolet Camaro Base
1975 Chevrolet Camaro RS
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1977-1981 Chevrolet Camaro Z28

…and 225 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 Mighty Pinion Seal for GM Differentials

Ensure a reliable seal for your GM vehicle's differential with this high-quality Yukon Gear Mighty Pinion Seal. Designed to meet the rigorous demands of automotive applications, this seal is crafted using advanced manufacturing techniques for a precise fit and exceptional durability. It is specifically intended for GM 8.5-inch and 8.2-inch rear differentials commonly found in a wide range of Buick, Oldsmobile, and Pontiac models from the 1970s through the 1980s.

Product Features:

  • Latest design and manufacturing technology
  • Precision fit for optimal sealing performance
  • Durable construction ensures long service life
  • Effectively prevents differential fluid leaks
  • Protects internal components from contaminants
  • Direct replacement for various GM vehicles

A leaking pinion seal can compromise the performance and longevity of your differential. This Yukon Mighty Seal provides a robust solution, preventing fluid loss and keeping dirt, water, and other damaging elements out of your differential housing. Its high-quality construction guarantees reliable operation under various driving conditions. Whether you're restoring a classic or performing routine maintenance on your GM vehicle, this pinion seal is an essential component for maintaining drivetrain integrity. Trust Yukon Gear & Axle for dependable drivetrain solutions.

Keep your GM differential sealed and protected. Find this Yukon Gear Pinion Seal at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1973-1975 Buick Apollo Base
1975 Buick Apollo SR
1973 Buick Electra Base
1973-1974 Buick Electra 225
1973-1974 Buick Electra 225 Custom
1974 Buick Electra 225 Limited
1975 Buick Electra Custom
1975-1985 Buick Electra Limited
1976-1979 Buick Electra 225
1978-1985 Buick Electra Park Avenue
1980-1989 Buick Electra Estate Wagon
1985 Buick Electra T-Type
1973-1987 Buick Regal Base
1976-1977 Buick Regal SR
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1975-1977 Buick Skylark SR
1975-1979 Buick Skylark Base
1976-1979 Buick Skylark S
1978 Buick Skylark Sport
1978-1979 Buick Skylark Custom
1973-1975 Chevrolet Bel Air Base
1979-1980 Chevrolet C10 Big Ten
1979-1980 Chevrolet C10 Custom Deluxe
1979-1981 Chevrolet C10 Cheyenne
1979-1986 Chevrolet C10 Scottsdale
1979-1986 Chevrolet C10 Silverado
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
1979-1980 Chevrolet C10 Suburban Scottsdale
1979-1980 Chevrolet C10 Suburban Silverado
1979-1980 Chevrolet C10 Suburban Custom Deluxe
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
1988-1997 Chevrolet C1500 Cheyenne
1988-1997 Chevrolet C1500 Silverado
1990-1993 Chevrolet C1500 454 SS
1990-1997 Chevrolet C1500 WT
1994-1997 Chevrolet C1500 Base
1992-1994 Chevrolet C1500 Suburban Silverado
1992-1997 Chevrolet C1500 Suburban Base
1995-1997 Chevrolet C1500 Suburban LS
1995-1997 Chevrolet C1500 Suburban LT
1973 Chevrolet Camaro RS
1973-1974 Chevrolet Camaro Z28
1973-1978 Chevrolet Camaro LT
1973-1980 Chevrolet Camaro Base
1975 Chevrolet Camaro RS
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1977-1981 Chevrolet Camaro Z28

…and 225 additional fitments. Contact us to confirm yours.

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