• Eaton GM8.5 in Truetrac 28 Splines Rear
  • Eaton GM8.5 in Truetrac 28 Splines Rear
  • Eaton GM8.5 in Truetrac 28 Splines Rear
  • Eaton GM8.5 in Truetrac 28 Splines Rear
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Eaton

Eaton GM8.5 in Truetrac 28 Splines Rear

Eaton GM8.5 in Truetrac 28 Splines Rear

Part number: 1G0CV

$727.30 USD
$727.30 USD
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GM8.5 in Truetrac 28 Splines Rear from Eaton. The part number and specifications are listed below. Driveline parts carry power from the transmission to the wheels.

Quick facts

  • Brand: Eaton
  • Part type: Driveline part
  • Position: Rear

Specifications

  • Differential Type: Limited Slip (LSD)
  • Gear Spline Tooth Count: 28 EA
  • Ring Gear Ratio: 2.73 & up
  • Axle Shaft Diameter: 1.2 IN
  • Catalog Notes: 8.5", 8.6", 2.89"
  • Off-Road: Work Truck / Towing
  • On Road: Work Truck / Towing

Listed fitment

  • 1973 - 1975 Buick Apollo Base
  • 1975 Buick Apollo SR
  • 1971 - 1973 Buick Centurion Base
  • 1973 - 1989 Buick Century Base
  • 1975 - 1989 Buick Century Custom
  • 1980 - 1984 Buick Century Estate
  • 1985 - 1989 Buick Century Estate Wagon
  • 1976 Buick Century Indianapolis 500 Pace Car
  • 1978 - 1989 Buick Century Limited
  • 1973 - 1975 Buick Century Luxus
  • 1984 Buick Century Olympia Limited
  • 1975 - 1979 Buick Century Special
  • 1978 - 1981 Buick Century Sport
  • 1986 Buick Century SS
  • 1983 - 1986 Buick Century T-Type
  • 1971 - 1979 Buick Electra 225
  • 1971 - 1974 Buick Electra 225 Custom
  • 1974 Buick Electra 225 Limited
  • 1973 Buick Electra Base
  • 1975 Buick Electra Custom
  • 1980 - 1989 Buick Electra Estate Wagon
  • 1975 - 1989 Buick Electra Limited
  • 1978 - 1989 Buick Electra Park Avenue
  • 1989 Buick Electra Park Avenue Ultra
  • 1985 - 1989 Buick Electra T-Type
  • 1971 - 1983 Buick Estate Wagon Base
  • 1971 - 1972 Buick GS Base
  • 1971 - 1972 Buick GS 455 Base
  • 1985 Buick LeSabre Collector's Edition
  • 1977 Buick LeSabre Custom Sport
  • 1971 - 1989 Buick LeSabre Custom, Base
  • 1985 - 1989 Buick LeSabre Estate Wagon
  • 1979 - 1989 Buick LeSabre Limited
  • 1982 Buick LeSabre Limited Edition F/E
  • 1974 Buick LeSabre Luxus
  • 1978 - 1981 Buick LeSabre Sport
  • 1987 Buick LeSabre T-Type
  • 1976 - 1979 Buick Opel Base
  • 1977 - 1979 Buick Opel Deluxe
  • 1978 - 1979 Buick Opel Sport
  • …and 389 more

Tip: Mark driveshaft orientation before removal and torque fasteners to spec.

View full details

Eaton driveline part: what to know

Clunks when shifting into gear, vibration at speed or clicking in turns point to worn driveline parts.

Fitment notes

  • Specs, lead time and warranty come from Eaton and can change. The details above this guide are the latest we have.

Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.

Ask about fitment

What else to plan for

  • Gear oil. Refill differentials with the right gear oil.

More for your car: All U-Joints · Transmission & drivetrain

Questions about driveline part

Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
What does a bad CV axle sound like?
Clicking when turning is the classic sign.
Where do specs and warranty details come from?
From Eaton. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.

Questions & answers

No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.

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