Fits 2018 Jeep Wrangler and Wrangler JK Rubicon and Unlimited Rubicon models.

Yukon Mighty Seals are engineered using state-of-the-art design software to ensure a precision fit that provides a reliable, long-lasting seal for your drivetrain. These small parts are built to deliver consistent performance, replacing worn factory seals to prevent leaks and protect your differential internals. This specific seal is designed for the 220 mm rear pinion found in select Dana 44 applications.

• Manufacturer Part Number: YMSC1029
• Seal Surface Diameter: 2.126 in.
• Outer Diameter: 3.393 in.
• Application: 220 mm Rear Pinion Seal
• Engineered for precise fitment and durability

Fits select 2003-2012 Dodge and Ram 1500, 2500, and 3500 trucks equipped with the 9.25-inch AAM front solid axle.

Yukon Mighty Seals are engineered using the latest manufacturing technologies to ensure a precision fit and a reliable, long-lasting seal. This pinion seal is a critical component for maintaining your front differential, preventing gear oil leaks and protecting internal components from road grime and moisture. Whether you are performing a gear swap or standard maintenance, these seals are designed to match the specific tolerances of the 9.25" AAM housing.

• Specifically designed for the Chrysler 9.25-inch AAM front solid axle
• Precision fitment to prevent differential fluid leaks
• High-quality construction for extended service life in demanding conditions
• Manufacturer Part Number: YMSC1008

Fits select 1967-1973 Ford Mustang, Fairlane, Ranchero, Gran Torino, Lincoln Continental, and Mercury Cougar and Comet models equipped with the Ford 9-inch rear differential.

Yukon Mighty Seals are engineered using modern design and manufacturing technologies to provide a precision fit that exceeds original equipment standards. This rear axle seal is specifically designed for 31-spline applications, ensuring a tight seal against the axle shaft to prevent gear oil leaks that can contaminate brake components and lead to premature bearing failure. Whether you are restoring a classic Mustang or maintaining a vintage Ranchero, these seals provide the durability needed for long-term service.

• Engineered for Ford 9-inch rear ends with 31-spline axles
• Compatible with 1.500-inch axle shaft diameters
• 2.264-inch outside diameter (OD) for a secure housing fit
• High-quality construction for superior fluid retention and debris exclusion
• Manufacturer Part Number: YMS9363S

Fits select 1965-2002 Chevrolet, GMC, Ford, and Dodge vehicles equipped with Dana 44HD, 60, 70, 70U, and 70HD differentials.

Yukon Mighty Seals are engineered to provide a precision fit that stops leaks and protects your drivetrain from gear oil loss and contaminant entry. These high-quality replacement pinion seals utilize the latest manufacturing technologies and materials to ensure a tight, long-lasting seal that withstands the high temperatures and pressures common in heavy-duty axle applications.

• Direct fit for Dana Spicer 44HD, 60, 70, 70U, and 70HD differential housings
• Precision-manufactured to modern tolerances for a leak-free installation
• Constructed with high-grade sealing materials for extended service life
• Designed for easy installation into factory or aftermarket Dana housings
• Manufacturer Part Number: YMS9316

Fits select 1964-2003 Buick, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles with GM 7.2-inch IFS, 7.5-inch, 7.625-inch, and 8.2-inch differentials.

The Yukon Gear Mighty Seals Pinion Seal is engineered using the latest design and manufacturing technologies to provide a precision fit that effectively keeps gear oil in and contaminants out. Designed for long-term durability and resistance to wear, this seal is a direct replacement for worn factory units in a wide range of GM car and truck applications. By maintaining a tight seal at the pinion yoke, it prevents fluid loss that can lead to overheating and gear failure.

• Manufacturer Part Number: YMS8610
• Fits GM 7.2 in. IFS, 7.5 in., 7.625 in., and 8.2 in. differentials
• Outside Diameter (OD): 2.660 in.
• Precision-engineered for superior sealing performance and extended service life
• Replaces worn OE seals to prevent leaks and protect drivetrain components

Fits select 1960-2011 Chrysler, Dodge, Jeep, and Plymouth vehicles with 7.25-inch or 8.25-inch differentials (5.9L).

The Yukon Gear YMS8516N Mighty Seal is engineered for technicians and enthusiasts who require a dependable, leak-free seal for Chrysler 7.25" and 8.25" rear ends. Utilizing advanced manufacturing technologies, this pinion seal provides a precision fit that maintains its integrity under varied driving conditions, preventing lubricant loss and protecting your ring and pinion set from contamination and premature wear. Whether you are restoring a classic B-body or maintaining a late-model Ram, this seal ensures the housing remains oil-tight.

• Manufacturer Part Number: YMS8516N
• Designed for Chrysler 7.25" and 8.25" differential housings
• Precision-fit construction for long-term leak prevention
• High-grade materials resist thermal degradation and friction
• Direct replacement for worn OE pinion seals

Fits select 1963-1987 Buick, Chevrolet, GMC, and Pontiac vehicles with GM 12-bolt passenger car or truck differentials, including Corvette models.

Stop differential fluid leaks at the input source with the Yukon Mighty Seals pinion seal (YMS8460N). This seal is engineered as a precision-fit replacement for GM 12-bolt (12T truck and 12P passenger) differentials. Utilizing advanced manufacturing technologies, Yukon Mighty Seals are designed to provide a tight, lasting interface between the pinion yoke and the differential housing, preventing gear oil loss and protecting your internal gears from contamination.

Whether you are performing a routine service on a classic 1963-1979 Corvette independent rear suspension or rebuilding a C10 truck axle, this seal delivers the reliability required for high-mileage and high-torque applications. Its construction is optimized to withstand the heat and friction generated at the pinion yoke while maintaining its structural integrity over time.

• Direct replacement for GM 12-bolt (12T and 12P) differential housings
• Precision-engineered fitment ensures a leak-free seal on the pinion yoke
• High-grade elastomer construction for superior heat and chemical resistance
• Manufacturer Part Number: YMS8460N

Fits 1955-1964 Chevrolet Bel Air, Biscayne, Chevy II, Corvette, El Camino, Impala, and Nomad.

The Yukon Mighty Seals series is engineered with modern manufacturing technologies to provide a superior fit compared to standard replacement seals. The YMS6818 pinion seal is designed specifically for the 1955-1964 Chevrolet passenger car differential (commonly referred to as the 55P), creating a reliable barrier that prevents gear oil leakage and protects the pinion bearings from contaminants.

• Direct replacement for the original equipment pinion seal
• Precision-fit design ensures a tight seal against the pinion yoke shaft
• Durable construction resists heat and friction under heavy use
• Part Number: YMS6818

Vehicle Fitment

Fits select 1960-2002 Chevrolet, GMC, Ford, Dodge, American Motors, and International vehicles with Dana Spicer axles (5.9L).

The Yukon Gear Mighty Seals Pinion Seal (YMS5778) is a professional-grade replacement engineered to eliminate gear oil leaks and protect your differential's internal components. Utilizing the latest manufacturing technologies, these seals provide a precision fit that meets or exceeds original equipment standards for longevity and performance in demanding conditions.

• Compatible with Dana Spicer 25, 27, 30, 36, 40, 44, and 50 differential housings
• Precision-engineered for a tight, reliable seal against the pinion yoke
• Constructed with high-grade materials to resist heat, friction, and environmental contaminants
• Direct replacement for worn or leaking factory pinion seals
• Manufacturer Part Number: YMS5778

Fits select 2004-2018 Jeep Wrangler, Nissan Frontier, Titan, and Xterra.

The Yukon Gear Mighty Seals Rear Pinion Seal is engineered to provide a precision, leak-free interface for your vehicle's differential. As part of the Mighty Seals line, this component utilizes advanced manufacturing technologies and high-grade materials to ensure a tight fit that stands up to the rigors of both daily driving and off-road use. Replacing a worn or weeping pinion seal is critical to maintaining proper gear oil levels and preventing premature wear on your ring and pinion set.

• Part Type: Rear Pinion Seal
• Manufacturer Part Number: YMS54458
• Product Line: Yukon Mighty Seals
• Construction: Precision-fit design for long-term durability
• Function: Seals the rear differential pinion shaft to prevent lubricant loss

Fits select 1966-2002 Chevrolet, GMC, Ford, and Dodge trucks and SUVs equipped with Dana 44, Dana 60, or GM 8.5-inch front differentials.

The Yukon Gear Mighty Seals Inner Front Axle Seal (YMS5131) is engineered to restore the integrity of your front drivetrain. Utilizing modern design and manufacturing technologies, this precision-fit seal provides a tight, lasting barrier against gear oil leaks. It is specifically designed to accommodate Dodge axle disconnect systems as well as reverse rotation Dana 44 and GM 8.5" applications, ensuring a reliable fit for a wide range of vintage and late-model 4WD vehicles.

• Direct replacement for inner front axle seals in Dana 44, Dana 60, and GM 8.5" front differentials
• Engineered for Dodge front axle disconnect applications
• Compatible with reverse rotation Dana 44 and GM 8.5-inch setups
• Mighty Seals series construction for enhanced durability and precise tolerances
• Manufacturer Part Number: YMS5131

Fits select 1988-2016 Cadillac Escalade, Chevrolet Silverado/Tahoe/S10, and GMC Sierra/Yukon/Savana models with the 8.5-inch rear differential.

Yukon Mighty Seals are engineered using the latest design and manufacturing technologies to ensure a precision fit that stops leaks and provides long-lasting protection for your axle assembly. This rear axle seal replaces worn OE components, preventing gear oil from escaping the housing and protecting your wheel bearings and brake components from contamination.

• Specifically designed for GM 8.5-inch 10-bolt rear differentials
• Precision-engineered for a tight, reliable seal
• High-quality materials resist heat and friction for extended service life
• Manufacturer Part Number: YMS4762N

• Inner Diameter (ID): 1.620 in.
• Outer Diameter (OD): 2.800 in.
• Position: Rear Axle