Yukon Gear Master Overhaul Kit For GM 9.5in Semi-Float Diff — Fits 1979-1997 Chevy/GMC

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SKU: YUKYK GM9.5-A
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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 Master Overhaul Kit for GM 9.5in Semi-Float Differentials

Restore the reliability and performance of your classic GM vehicle's rear differential with this Yukon Gear Master Overhaul Kit, specifically designed for the GM 9.5-inch Semi-Float differential. This extensive kit covers a broad range of Chevrolet and GMC trucks, vans, and SUVs from 1979 through 1997, providing all the essential, high-quality components required for a professional and enduring rebuild.

Quality Components for Lasting Performance

Yukon Gear & Axle is committed to excellence, and this Master Overhaul Kit reflects that dedication. It features genuine Timken bearings and races, renowned worldwide for their superior durability and smooth operation, even under demanding conditions. High-quality seals, a new gasket, and a complete set of small parts are included, ensuring every element of your differential rebuild meets the highest standards for precision and longevity.

Comprehensive Kit Contents:

  • Carrier Bearings and Races
  • Pinion Bearings and Races
  • Pinion Seal
  • Complete Shim Kit for precise gear setup
  • Ring Gear Bolts
  • Pinion Nut
  • Crush Sleeve (if applicable)
  • Oil Baffles and Slingers (if applicable)
  • Thread Locking Compound
  • Marking Compound with Brush
  • Gasket

Designed for Classic GM Applications

This Master Overhaul Kit is meticulously engineered for a wide array of 1979 through 1997 Chevrolet C20/K20 Suburban, G20/G30 Vans, and K20 pickups, as well as GMC C2500/K2500 Suburban, K2500 pickups, and C2500/K2500 pickups equipped with the GM 9.5-inch Semi-Float rear differential. Whether you're restoring a classic or maintaining a workhorse, this kit provides the crucial parts for a reliable rebuild. Equip your vehicle with the best from GGCRACING.

Vehicle Fitment

Years Make Model Trim
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
1979-1980 Chevrolet C20 Custom Deluxe
1979-1981 Chevrolet C20 Cheyenne
1979-1986 Chevrolet C20 Scottsdale
1979-1986 Chevrolet C20 Silverado
1981 Chevrolet C20 Deluxe
1981-1986 Chevrolet C20 Custom
1979-1980 Chevrolet C20 Suburban Custom Deluxe
1979-1980 Chevrolet C20 Suburban Scottsdale
1979-1980 Chevrolet C20 Suburban Silverado
1981 Chevrolet C20 Suburban Deluxe
1981-1986 Chevrolet C20 Suburban Custom
1982 Chevrolet C20 Suburban Scottsdale
1982-1986 Chevrolet C20 Suburban Silverado
1984-1986 Chevrolet C20 Suburban Scottsdale
1988-1992 Chevrolet C2500 Scottsdale
1988-1997 Chevrolet C2500 Cheyenne
1988-1997 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1994-1997 Chevrolet C2500 Base
1992-1994 Chevrolet C2500 Suburban Silverado
1992-1997 Chevrolet C2500 Suburban Base
1995-1997 Chevrolet C2500 Suburban LS
1995-1997 Chevrolet C2500 Suburban LT
1996-1997 Chevrolet Express 1500 Base
1996-1997 Chevrolet Express 1500 LS
1996-1997 Chevrolet Express 2500 Base
1996-1997 Chevrolet Express 2500 LS
1979-1981 Chevrolet G20 Nomad
1979-1995 Chevrolet G20 Sportvan
1979-1995 Chevrolet G20 Beauville
1979-1995 Chevrolet G20 Chevy Van
1983-1984 Chevrolet G20 Bonaventure
1979-1996 Chevrolet G30 Beauville
1979-1996 Chevrolet G30 Chevy Van
1979-1996 Chevrolet G30 Hi-Cube
1979-1996 Chevrolet G30 Sportvan
1983-1984 Chevrolet G30 Bonaventure
1988-1992 Chevrolet K1500 Scottsdale
1988-1997 Chevrolet K1500 Cheyenne
1988-1997 Chevrolet K1500 Silverado
1990-1997 Chevrolet K1500 WT
1991 Chevrolet K1500 Sport
1994-1997 Chevrolet K1500 Base
1979-1980 Chevrolet K20 Custom Deluxe
1979-1981 Chevrolet K20 Cheyenne
1979-1983 Chevrolet K20 Silverado
1979-1986 Chevrolet K20 Scottsdale
1981 Chevrolet K20 Deluxe
1981-1986 Chevrolet K20 Custom
1985-1986 Chevrolet K20 Silverado
1979-1980 Chevrolet K20 Suburban Custom Deluxe
1979-1980 Chevrolet K20 Suburban Scottsdale
1979-1980 Chevrolet K20 Suburban Silverado
1981 Chevrolet K20 Suburban Deluxe

…and 107 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 Master Overhaul Kit for GM 9.5in Semi-Float Differentials

Restore the reliability and performance of your classic GM vehicle's rear differential with this Yukon Gear Master Overhaul Kit, specifically designed for the GM 9.5-inch Semi-Float differential. This extensive kit covers a broad range of Chevrolet and GMC trucks, vans, and SUVs from 1979 through 1997, providing all the essential, high-quality components required for a professional and enduring rebuild.

Quality Components for Lasting Performance

Yukon Gear & Axle is committed to excellence, and this Master Overhaul Kit reflects that dedication. It features genuine Timken bearings and races, renowned worldwide for their superior durability and smooth operation, even under demanding conditions. High-quality seals, a new gasket, and a complete set of small parts are included, ensuring every element of your differential rebuild meets the highest standards for precision and longevity.

Comprehensive Kit Contents:

  • Carrier Bearings and Races
  • Pinion Bearings and Races
  • Pinion Seal
  • Complete Shim Kit for precise gear setup
  • Ring Gear Bolts
  • Pinion Nut
  • Crush Sleeve (if applicable)
  • Oil Baffles and Slingers (if applicable)
  • Thread Locking Compound
  • Marking Compound with Brush
  • Gasket

Designed for Classic GM Applications

This Master Overhaul Kit is meticulously engineered for a wide array of 1979 through 1997 Chevrolet C20/K20 Suburban, G20/G30 Vans, and K20 pickups, as well as GMC C2500/K2500 Suburban, K2500 pickups, and C2500/K2500 pickups equipped with the GM 9.5-inch Semi-Float rear differential. Whether you're restoring a classic or maintaining a workhorse, this kit provides the crucial parts for a reliable rebuild. Equip your vehicle with the best from GGCRACING.

Vehicle Fitment

Years Make Model Trim
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
1979-1980 Chevrolet C20 Custom Deluxe
1979-1981 Chevrolet C20 Cheyenne
1979-1986 Chevrolet C20 Scottsdale
1979-1986 Chevrolet C20 Silverado
1981 Chevrolet C20 Deluxe
1981-1986 Chevrolet C20 Custom
1979-1980 Chevrolet C20 Suburban Custom Deluxe
1979-1980 Chevrolet C20 Suburban Scottsdale
1979-1980 Chevrolet C20 Suburban Silverado
1981 Chevrolet C20 Suburban Deluxe
1981-1986 Chevrolet C20 Suburban Custom
1982 Chevrolet C20 Suburban Scottsdale
1982-1986 Chevrolet C20 Suburban Silverado
1984-1986 Chevrolet C20 Suburban Scottsdale
1988-1992 Chevrolet C2500 Scottsdale
1988-1997 Chevrolet C2500 Cheyenne
1988-1997 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1994-1997 Chevrolet C2500 Base
1992-1994 Chevrolet C2500 Suburban Silverado
1992-1997 Chevrolet C2500 Suburban Base
1995-1997 Chevrolet C2500 Suburban LS
1995-1997 Chevrolet C2500 Suburban LT
1996-1997 Chevrolet Express 1500 Base
1996-1997 Chevrolet Express 1500 LS
1996-1997 Chevrolet Express 2500 Base
1996-1997 Chevrolet Express 2500 LS
1979-1981 Chevrolet G20 Nomad
1979-1995 Chevrolet G20 Sportvan
1979-1995 Chevrolet G20 Beauville
1979-1995 Chevrolet G20 Chevy Van
1983-1984 Chevrolet G20 Bonaventure
1979-1996 Chevrolet G30 Beauville
1979-1996 Chevrolet G30 Chevy Van
1979-1996 Chevrolet G30 Hi-Cube
1979-1996 Chevrolet G30 Sportvan
1983-1984 Chevrolet G30 Bonaventure
1988-1992 Chevrolet K1500 Scottsdale
1988-1997 Chevrolet K1500 Cheyenne
1988-1997 Chevrolet K1500 Silverado
1990-1997 Chevrolet K1500 WT
1991 Chevrolet K1500 Sport
1994-1997 Chevrolet K1500 Base
1979-1980 Chevrolet K20 Custom Deluxe
1979-1981 Chevrolet K20 Cheyenne
1979-1983 Chevrolet K20 Silverado
1979-1986 Chevrolet K20 Scottsdale
1981 Chevrolet K20 Deluxe
1981-1986 Chevrolet K20 Custom
1985-1986 Chevrolet K20 Silverado
1979-1980 Chevrolet K20 Suburban Custom Deluxe
1979-1980 Chevrolet K20 Suburban Scottsdale
1979-1980 Chevrolet K20 Suburban Silverado
1981 Chevrolet K20 Suburban Deluxe

…and 107 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 Master Overhaul Kit for GM 9.5in Semi-Float Differentials

Restore the reliability and performance of your classic GM vehicle's rear differential with this Yukon Gear Master Overhaul Kit, specifically designed for the GM 9.5-inch Semi-Float differential. This extensive kit covers a broad range of Chevrolet and GMC trucks, vans, and SUVs from 1979 through 1997, providing all the essential, high-quality components required for a professional and enduring rebuild.

Quality Components for Lasting Performance

Yukon Gear & Axle is committed to excellence, and this Master Overhaul Kit reflects that dedication. It features genuine Timken bearings and races, renowned worldwide for their superior durability and smooth operation, even under demanding conditions. High-quality seals, a new gasket, and a complete set of small parts are included, ensuring every element of your differential rebuild meets the highest standards for precision and longevity.

Comprehensive Kit Contents:

  • Carrier Bearings and Races
  • Pinion Bearings and Races
  • Pinion Seal
  • Complete Shim Kit for precise gear setup
  • Ring Gear Bolts
  • Pinion Nut
  • Crush Sleeve (if applicable)
  • Oil Baffles and Slingers (if applicable)
  • Thread Locking Compound
  • Marking Compound with Brush
  • Gasket

Designed for Classic GM Applications

This Master Overhaul Kit is meticulously engineered for a wide array of 1979 through 1997 Chevrolet C20/K20 Suburban, G20/G30 Vans, and K20 pickups, as well as GMC C2500/K2500 Suburban, K2500 pickups, and C2500/K2500 pickups equipped with the GM 9.5-inch Semi-Float rear differential. Whether you're restoring a classic or maintaining a workhorse, this kit provides the crucial parts for a reliable rebuild. Equip your vehicle with the best from GGCRACING.

Vehicle Fitment

Years Make Model Trim
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
1979-1980 Chevrolet C20 Custom Deluxe
1979-1981 Chevrolet C20 Cheyenne
1979-1986 Chevrolet C20 Scottsdale
1979-1986 Chevrolet C20 Silverado
1981 Chevrolet C20 Deluxe
1981-1986 Chevrolet C20 Custom
1979-1980 Chevrolet C20 Suburban Custom Deluxe
1979-1980 Chevrolet C20 Suburban Scottsdale
1979-1980 Chevrolet C20 Suburban Silverado
1981 Chevrolet C20 Suburban Deluxe
1981-1986 Chevrolet C20 Suburban Custom
1982 Chevrolet C20 Suburban Scottsdale
1982-1986 Chevrolet C20 Suburban Silverado
1984-1986 Chevrolet C20 Suburban Scottsdale
1988-1992 Chevrolet C2500 Scottsdale
1988-1997 Chevrolet C2500 Cheyenne
1988-1997 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1994-1997 Chevrolet C2500 Base
1992-1994 Chevrolet C2500 Suburban Silverado
1992-1997 Chevrolet C2500 Suburban Base
1995-1997 Chevrolet C2500 Suburban LS
1995-1997 Chevrolet C2500 Suburban LT
1996-1997 Chevrolet Express 1500 Base
1996-1997 Chevrolet Express 1500 LS
1996-1997 Chevrolet Express 2500 Base
1996-1997 Chevrolet Express 2500 LS
1979-1981 Chevrolet G20 Nomad
1979-1995 Chevrolet G20 Sportvan
1979-1995 Chevrolet G20 Beauville
1979-1995 Chevrolet G20 Chevy Van
1983-1984 Chevrolet G20 Bonaventure
1979-1996 Chevrolet G30 Beauville
1979-1996 Chevrolet G30 Chevy Van
1979-1996 Chevrolet G30 Hi-Cube
1979-1996 Chevrolet G30 Sportvan
1983-1984 Chevrolet G30 Bonaventure
1988-1992 Chevrolet K1500 Scottsdale
1988-1997 Chevrolet K1500 Cheyenne
1988-1997 Chevrolet K1500 Silverado
1990-1997 Chevrolet K1500 WT
1991 Chevrolet K1500 Sport
1994-1997 Chevrolet K1500 Base
1979-1980 Chevrolet K20 Custom Deluxe
1979-1981 Chevrolet K20 Cheyenne
1979-1983 Chevrolet K20 Silverado
1979-1986 Chevrolet K20 Scottsdale
1981 Chevrolet K20 Deluxe
1981-1986 Chevrolet K20 Custom
1985-1986 Chevrolet K20 Silverado
1979-1980 Chevrolet K20 Suburban Custom Deluxe
1979-1980 Chevrolet K20 Suburban Scottsdale
1979-1980 Chevrolet K20 Suburban Silverado
1981 Chevrolet K20 Suburban Deluxe

…and 107 additional fitments. Contact us to confirm yours.

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