Excel · GM85373
Part #: GM85373
UPC: 698231734667
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Description: Precision Differential Ring and Pinion maintains correct power distribution to a; This Differential Ring and Pinion is precision manufactured to OEM gear ratios and tooth geometry. It distributes torque efficiently between axles, maximizing traction and minimizing wear in commercial trucks.
Description:
Description
Excel's broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond's high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.
Features & benefits
- Designed for compatibility with OEM-specified gear oil viscosities, ensuring correct lubrication under all operating conditions.
- Heat-treated alloy steel construction withstands peak torque demands of loaded commercial trucks, preventing gear tooth fatigue and breakage.
- OEM-spec gear ratios preserve intended vehicle speed, performance, and fuel economy characteristics.
- Precision fits to carrier housing bores eliminate shimming uncertainty and simplify installation for experienced drivetrain technicians.
- Precision-machined gears and tight backlash tolerances ensure smooth power transfer and efficient torque distribution between axles.
Information
RP GM 8.5" 8.6" 3.73 EXL
Application summary
| Year | Make / model |
|---|---|
| 1973-1975 | Buick Apollo |
| 1971-1973 | Buick Centurion |
| 1973-1977 | Buick Century |
| 1991-1996 | Buick Commercial Chassis |
| 1971-1990 | Buick Electra |
| 1971-1983 | Buick Estate Wagon |
| 1971-1985 | Buick LeSabre |
| 2004-2007 | Buick Rainier |
| 1973-1987 | Buick Regal |
| 1975-1978 | Buick Riviera |
| 1991-1996 | Buick Roadmaster |
| 1970-1972 | Buick Skylark |
| 1975-1979 | Buick Skylark |
| 1987-1992 | Cadillac Brougham |
| 1977-1984 | Cadillac DeVille |
| 1999-2000 | Cadillac Escalade |
| 2002-2013 | Cadillac Escalade |
| 2003-2013 | Cadillac Escalade ESV |
| 2002-2013 | Cadillac Escalade EXT |
| 1977-1987 | Cadillac Fleetwood |
| 1993-1996 | Cadillac Fleetwood |
| 1976-1979 | Cadillac Seville |
| 2007-2013 | Chevrolet Avalanche |
| 2002-2006 | Chevrolet Avalanche 1500 |
| 2002-2006 | Chevrolet Avalanche 2500 |
| 1970-1975 | Chevrolet Bel Air |
| 1970-1972 | Chevrolet Biscayne |
| 1987-2005 | Chevrolet Blazer |
| 1970-1972 | Chevrolet Brookwood |
| 1975-1986 | Chevrolet C10 |
| 1971-1974 | Chevrolet C10 Pickup |
| 1977-1986 | Chevrolet C10 Suburban |
| 1982-1986 | Chevrolet C15 |
| 1988-1999 | Chevrolet C1500 |
| 1992-1999 | Chevrolet C1500 Suburban |
| 1988-2000 | Chevrolet C2500 |
| 1992-1999 | Chevrolet C2500 Suburban |
| 1968-1981 | Chevrolet Camaro |
| 1968-1996 | Chevrolet Caprice |
| 1973 | Chevrolet Chevelle |
| 2007-2013 | Chevrolet Colorado |
| 1972-1987 | Chevrolet El Camino |
| 1996-2013 | Chevrolet Express 1500 |
| 1996-1998 | Chevrolet Express 2500 |
| 1977-1995 | Chevrolet G10 |
| 1975-1995 | Chevrolet G20 |
| 1968-1985 | Chevrolet Impala |
| 1994-1996 | Chevrolet Impala |
| 1975-1986 | Chevrolet K10 |
| 1971-1974 | Chevrolet K10 Pickup |
| 1977-1986 | Chevrolet K10 Suburban |
| 1988-1999 | Chevrolet K1500 |
| 1992-1999 | Chevrolet K1500 Suburban |
| 1977-1986 | Chevrolet K20 |
| 1977-1986 | Chevrolet K20 Suburban |
| 1988-1991 | Chevrolet K2500 |
| 1992-1999 | Chevrolet K2500 Suburban |
| 1975-1986 | Chevrolet K5 Blazer |
| 1970-1972 | Chevrolet Kingswood |
| 1994-1995 | Chevrolet LLV |
| 1975 | Chevrolet Malibu |
| 1978-1983 | Chevrolet Malibu |
| 1971-1978 | Chevrolet Monte Carlo |
| 1970-1979 | Chevrolet Nova |
| 1987 | Chevrolet R10 |
| 1987-1988 | Chevrolet R10 Suburban |
| 1989-1991 | Chevrolet R1500 Suburban |
| 1987-1988 | Chevrolet R20 |
Specifications
- GTIN
- 00698231734667
- Weight
- 18.05 lb
- Height
- 5.25 in
- Length
- 15 in
- Width
- 11 in
- EO
- Legal US
- Life cycle
- Available to Order
- AAM brand code
- EXL
- Warehouse brand code
- EXL
- AAIA brand code
- GGVJ
Attributes
- AAM Long Description
- Ring and Pinion
- AAM Short Description
- Ring and Pinion
- App/Model
- GM 8.625"
- Axle Type
- GM 8.5 in.
- California Proposition 65
- WARNING: Cancer - www.P65Warnings.ca.gov
- Cover Bolt Quantity
- 10
- Differential Carrier Break
- 2.73 Ratio and Higher
- Differential Case Design Type
- GM 8.625
- Gear Ratio
- 3.73
- Mounting Location
- Rear
- Pinion Gear Tooth Quantity
- 11
- Pinion Shaft Diameter
- 1.626
- Pinion Spline Count
- 30
- Position
- Rear
- Ratio
- 3.73
- Ring & Pinion Gear Ratio
- 3.73
- Ring Gear Bolt Quantity
- 10
- Ring Gear Diameter
- 8.5
- Ring Gear Material
- 8620 Steel
- Ring Gear Outside Diameter
- 8.5
- Ring Gear Rotation
- Standard
- Ring Gear Tooth Quantity
- 41
- Ring and Pinion Gear Ratio
- 3.73
- Taxonomy
- Differential LD
- Taxonomy A
- LD Differential
- Taxonomy B
- Ring and Pinions
- Taxonomy C
- Rear
- Taxonomy D
- 3.73
- Title
- Differential Ring and Pinion
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
1973-1975 Buick Apollo; 1971-1973 Buick Centurion; 1973-1977 Buick Century; 1991-1996 Buick Commercial Chassis; 1971-1990 Buick Electra; 1971-1983 Buick Estate Wagon; 1971-1985 Buick LeSabre; 2004-2007 Buick Rainier; 1973-1987 Buick Regal; 1975-1978 Buick Riviera; 1991-1996 Buick Roadmaster; 1970-1972 Buick Skylark; 1975-1979 Buick Skylark; 1987-1992 Cadillac Brougham; 1977-1984 Cadillac DeVille; 1999-2000 Cadillac Escalade; 2002-2013 Cadillac Escalade; 2003-2013 Cadillac Escalade ESV; 2002-2013 Cadillac Escalade EXT; 1977-1987 Cadillac Fleetwood; 1993-1996 Cadillac Fleetwood; 1976-1979 Cadillac Seville; 2007-2013 Chevrolet Avalanche; 2002-2006 Chevrolet Avalanche 1500; 2002-2006 Chevrolet Avalanche 2500; 1970-1975 Chevrolet Bel Air; 1970-1972 Chevrolet Biscayne; 1987-2005 Chevrolet Blazer; 1970-1972 Chevrolet Brookwood; 1975-1986 Chevrolet C10; 1971-1974 Chevrolet C10 Pickup; 1977-1986 Chevrolet C10 Suburban; 1982-1986 Chevrolet C15; 1988-1999 Chevrolet C1500; 1992-1999 Chevrolet C1500 Suburban; 1988-2000 Chevrolet C2500; 1992-1999 Chevrolet C2500 Suburban; 1968-1981 Chevrolet Camaro; 1968-1996 Chevrolet Caprice; 1973 Chevrolet Chevelle; 2007-2013 Chevrolet Colorado; 1972-1987 Chevrolet El Camino; 1996-2013 Chevrolet Express 1500; 1996-1998 Chevrolet Express 2500; 1977-1995 Chevrolet G10; 1975-1995 Chevrolet G20; 1968-1985 Chevrolet Impala; 1994-1996 Chevrolet Impala; 1975-1986 Chevrolet K10; 1971-1974 Chevrolet K10 Pickup; 1977-1986 Chevrolet K10 Suburban; 1988-1999 Chevrolet K1500; 1992-1999 Chevrolet K1500 Suburban; 1977-1986 Chevrolet K20; 1977-1986 Chevrolet K20 Suburban; 1988-1991 Chevrolet K2500; 1992-1999 Chevrolet K2500 Suburban; 1975-1986 Chevrolet K5 Blazer; 1970-1972 Chevrolet Kingswood; 1994-1995 Chevrolet LLV; 1975 Chevrolet Malibu; 1978-1983 Chevrolet Malibu; 1971-1978 Chevrolet Monte Carlo; 1970-1979 Chevrolet Nova; 1987 Chevrolet R10; 1987-1988 Chevrolet R10 Suburban; 1989-1991 Chevrolet R1500 Suburban; 1987-1988 Chevrolet R20; ...
Equivalent Parts
Excel GM85373
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