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Yukon Gear ZKGM8.5
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Yukon Gear USA Standard Master Overhaul Kit GM 8.5" Rear Differential

807-ZKGM8.5

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Save $10 off $199, $45 off $499, $100 off $999. Promo Code: FALLFUN exclusions apply

$133.78
Yukon Gear USA Standard Master Overhaul Kit GM 8.5" Rear Differential $133.78
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USA Standard Master Overhaul Kit
  • GM 8.5" Rear Differential
  • Yukon Gear ZKGM8.5 Details

    GM 8.5"

    Compatible with Differentials:
  • GM 8.5" Rear - 28 Spline
  • GM 8.5" Rear - 30 Spline

    Compatible with Make / Model:
  • Buick Apollo (1973 - 1975)
  • Buick Electra (1971 - 1989)
  • Buick Regal (1973 - 1987)
  • Buick Riviera (1975 - 1978)
  • Buick Skylark (1970 - 1979)
  • Cadillac Escalade (1999 - 2000)
  • Chevrolet / Chevy Bel Air (1970 - 1975)
  • Chevrolet / Chevy Blazer (1979 - 1994)
  • Chevrolet / Chevy C10 1/2 Ton (2WD) (1979 - 1987)
  • Chevrolet / Chevy C1500 1/2 Ton (2WD) (1988 - 1999)
  • Chevrolet / Chevy C2500 3/4 Ton (2WD) (1989 - 2000)
  • Chevrolet / Chevy Camaro (1970 - 1981)
  • Chevrolet / Chevy Caprice (1970 - 1996)
  • Chevrolet / Chevy Chevelle/ Malibu (1973 - 1973)
  • Chevrolet / Chevy El Camino (1971 - 1976)
  • Chevrolet / Chevy Express Van 1500 1/2 Ton (1996 - 2003)
  • Chevrolet / Chevy Express Van 2500 3/4 Ton (1996 - 1998)
  • Chevrolet / Chevy G10 1/2 Ton (1979 - 1995)
  • Chevrolet / Chevy G20 3/4 Ton (1975 - 1995)
  • Chevrolet / Chevy Impala (1971 - 1996)
  • Chevrolet / Chevy K10/ K1500 1/2 Ton (4WD) (1979 - 1999)
  • Chevrolet / Chevy K5 Blazer (4WD) (1979 - 1991)
  • Chevrolet / Chevy Malibu (1973 - 1983)
  • Chevrolet / Chevy Monte Carlo (1973 - 1978)
  • Chevrolet / Chevy Nova (1970 - 1979)
  • Chevrolet / Chevy S10 Blazer / Pickup (1994 - 2000)
  • Chevrolet / Chevy Suburban 1/2 Ton (1979 - 2000)
  • Chevrolet / Chevy Tahoe 1500 1/2 Ton (1995 - 1998)
  • GMC C15/ C1500 1/2 Ton (2WD) (1979 - 1999)
  • GMC C25/ C2500 3/4 Ton (2WD) (1997 - 2000)
  • GMC G15/ G1500 1/2 Ton (1979 - 1995)
  • GMC G25/ G2500 3/4 Ton (1978 - 1995)
  • GMC K15/ K1500 1/2 Ton (4WD) (1979 - 1999)
  • GMC S15 Jimmy / Pickup (1994 - 2000)
  • GMC Savana 1500 1/2 Ton (1996 - 2003)
  • GMC Savana 2500 3/4 Ton (1996 - 1998)
  • GMC Sonoma (1994 - 1998)
  • GMC Suburban 1/2 Ton (1979 - 2000)
  • GMC Typhoon (1992 - 1993)
  • GMC Yukon 1500 1/2 Ton (1992 - 2000)
  • Oldsmobile Cutlas (1970 - 1987)
  • Oldsmobile Omega (1973 - 1979)
  • Plymouth Phoenix (1978 - 1979)
  • Pontiac Bonneville (1970 - 1986)
  • Pontiac Catalina (1970 - 1981)
  • Pontiac Firebird (1970 - 1981)
  • Pontiac Grand Prix (1971 - 1987)
  • Pontiac GTO (1970 - 1977)
  • Pontiac LeMans (1971 - 1983)
  • Pontiac Trans Am (1970 - 1981)
  • Pontiac Ventura (1976 - 1977)

  • Specifications:

    Manufacturer's Part Number:
    ZKGM8.5
    Shipping Weight:
    6.12
    Package Height:
    12.9
    Package Depth:
    3.3
    Package Width:
    12.5

    USA Standard Gear master overhaul kits are comprehensive and complete, including everything you need to overhaul and install a differential. Each master overhaul kit meets or exceeds OE specifications and is crafted with the latest manufacturing technology, from top quality materials that are deep heat treated for strength and durability. USA Standard has done extensive research to ensure that each kit is tailored to meet your specific application.


    Unless otherwise stated, each master overhaul kit includes:
  • Koyo Carrier Bearings and Races
  • Pinion Bearings and Races, Seal, Nut
  • Complete Shim Kit
  • Ring Gear Bolts
  • Crush Sleeve
  • Thread Locker
  • Marking Compound and Brush
  • Gasket

  • I see where it says the carrier bearings are Koyo brand, but are the pinion bearing Koyo brand also?

    Asked by: Dm c
    Yes, the pinion bearing in most kits are also Koyo brand.
    Answered by: Rusty B
    Date published: 2018-06-21

    If i am replacing both front and rear would i need two kits ? And is will the gaskets fit the front the same as the rear being 4wd

    Asked by: LT Hall
    You would need 2 kits, this part is shown as fitting the rear end only.
    Answered by: Rusty B
    Date published: 2017-11-01
    • y_2019, m_10, d_13, h_6CST
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    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.