Brand: Motive Gear
RP GM 8.5″ 8.6″ 3.73 MGP
UPC: 00698231021934
App/Model: GM 8.5|GM 8.625
Cover Bolt Quantity: 10
Differential Carrier Break: 2.73 Ratio and Higher
Differential Model: GM 8.5|GM 8.625
Gear Ratio: 3.73
Pinion Gear Tooth Quantity: 11
Pinion Shaft Diameter: 1.626 Inch
Pinion Spline Count: 30
Prop 65 Yes/No: No
Ring Gear Bolt Quantity: 10
Ring Gear Material: 8620 Steel
Ring Gear Outside Diameter: 8.5 Inch
Ring Gear Rotation: Standard
Ring Gear Tooth Quantity: 41
Taxonomy A: LD Differential
Taxonomy B: Ring and Pinion
Taxonomy C: Front|Rear
Taxonomy D: 3.73

Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions

Warranty Period: 2 Years or 100,000 Miles

Replaces:

• G2 Axle and Gear: 1-2021-373
• General Motors: 19180885
• G2 Axle and Gear: 2-2021-373
• General Motors: 23114029
• General Motors: 23145791
• General Motors: 26037712
• General Motors: 26066706
• Richmond Gear: 49-0041-1
• Dorman: 697-301
• Motive Gear: GM10-373
• Motive Gear: GM10-373A
• Revolution Gear & Axle: GM10-373DC
• EXCEL from Richmond: GM85373

Applications:

• 1973-1975 Buick Apollo
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1973-1977 Buick Century
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1989 Buick Electra
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1983 Buick Estate Wagon
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1973-1985 Buick LeSabre
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2004-2007 Buick Rainier
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1973-1987 Buick Regal
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1975-1978 Buick Riviera
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1972 Buick Skylark
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1975-1979 Buick Skylark
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1992 Cadillac Brougham
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1984 Cadillac DeVille
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1999-2000 Cadillac Escalade
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2002-2013 Cadillac Escalade
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2003-2013 Cadillac Escalade ESV
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2002-2013 Cadillac Escalade EXT
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2007-2013 Chevrolet Avalanche
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2002-2006 Chevrolet Avalanche 1500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2002-2006 Chevrolet Avalanche 2500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1975 Chevrolet Bel Air
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1972 Chevrolet Biscayne
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1991 Chevrolet Blazer
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1991 Chevrolet Blazer
• 1992-1994 Chevrolet Blazer
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1995-2005 Chevrolet Blazer
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1972 Chevrolet Brookwood
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1975-1986 Chevrolet C10
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1974 Chevrolet C10 Pickup
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1986 Chevrolet C10 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1988-1999 Chevrolet C1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1992-1999 Chevrolet C1500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1988-2000 Chevrolet C2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1992-1999 Chevrolet C2500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1968-1981 Chevrolet Camaro
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1968-1996 Chevrolet Caprice
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1973-1973 Chevrolet Chevelle
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2009-2012 Chevrolet Colorado
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1972-1987 Chevrolet El Camino
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1996-1997 Chevrolet Express 1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1998-2013 Chevrolet Express 1500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1996-1997 Chevrolet Express 2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1998-1998 Chevrolet Express 2500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1995 Chevrolet G10
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1975-1989 Chevrolet G20
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1968-1985 Chevrolet Impala
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1994-1996 Chevrolet Impala
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1975-1976 Chevrolet K10
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1986 Chevrolet K10
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1986 Chevrolet K10
• 1971-1974 Chevrolet K10 Pickup
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1986 Chevrolet K10 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1988-1991 Chevrolet K1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1988-1991 Chevrolet K1500
• 1992-1999 Chevrolet K1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1992-1999 Chevrolet K1500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1986 Chevrolet K20
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1986 Chevrolet K20 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1988-1991 Chevrolet K2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1992-1999 Chevrolet K2500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1982-1986 Chevrolet K5 Blazer
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1982-1986 Chevrolet K5 Blazer
• 1970-1972 Chevrolet Kingswood
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1994-1995 Chevrolet LLV
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1973-1983 Chevrolet Malibu
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1978 Chevrolet Monte Carlo
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1979 Chevrolet Nova
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1987 Chevrolet R10
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1988 Chevrolet R10 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1989-1991 Chevrolet R1500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1988 Chevrolet R20
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1988 Chevrolet R20 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1989-1989 Chevrolet R2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1989-1991 Chevrolet R2500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1994-2004 Chevrolet S10
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1994-1994 Chevrolet S10 Blazer
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1995-1999 Chevrolet Silverado
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1999-2013 Chevrolet Silverado 1500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2007-2007 Chevrolet Silverado 1500 Classic
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2001-2003 Chevrolet Silverado 1500 HD
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2005-2006 Chevrolet Silverado 1500 HD
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2007-2007 Chevrolet Silverado 1500 HD Classic
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2001-2002 Chevrolet Silverado 2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2003-2006 Chevrolet SSR
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1995-1999 Chevrolet Suburban 1500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2000-2000 Chevrolet Suburban 1500
• 2000-2000 Chevrolet Suburban 1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2001-2013 Chevrolet Suburban 1500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1995-1999 Chevrolet Tahoe
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2000-2000 Chevrolet Tahoe
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2001-2013 Chevrolet Tahoe
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1972 Chevrolet Townsman
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2002-2009 Chevrolet Trailblazer
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2002-2006 Chevrolet Trailblazer EXT
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1987 Chevrolet V10
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1988 Chevrolet V10 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1987 Chevrolet V20
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1988 Chevrolet V20 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1989-1991 Chevrolet V2500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1975-1978 GMC C15
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1974 GMC C15/C1500 Pickup
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1986 GMC C1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1988-1999 GMC C1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1986 GMC C1500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1992-1999 GMC C1500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1988-2000 GMC C2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1992-1999 GMC C2500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1978-1987 GMC Caballero
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2009-2012 GMC Canyon
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2002-2009 GMC Envoy
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2002-2006 GMC Envoy XL
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2004-2005 GMC Envoy XUV
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1978 GMC G15
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1995 GMC G1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1975-1978 GMC G25
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1989 GMC G2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1991 GMC Jimmy
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1991 GMC Jimmy
• 1994-2005 GMC Jimmy
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1975-1976 GMC K15
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1978 GMC K15
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1978 GMC K15
• 1977-1978 GMC K15 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1974 GMC K15/K1500 Pickup
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1986 GMC K1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1986 GMC K1500
• 1988-1991 GMC K1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1988-1991 GMC K1500
• 1992-1999 GMC K1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1986 GMC K1500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1992-1999 GMC K1500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1978 GMC K25
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1977-1978 GMC K25 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1986 GMC K2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1988-1991 GMC K2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1979-1986 GMC K2500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1992-1999 GMC K2500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1987 GMC R1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1991 GMC R1500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1989 GMC R2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1991 GMC R2500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1996-1997 GMC Savana 1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1998-2013 GMC Savana 1500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1996-1997 GMC Savana 2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1998-1998 GMC Savana 2500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2007-2013 GMC Sierra
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1999-2013 GMC Sierra 1500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2007-2007 GMC Sierra 1500 Classic
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2001-2003 GMC Sierra 1500 HD
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2005-2006 GMC Sierra 1500 HD
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2007-2007 GMC Sierra 1500 HD Classic
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1994-2004 GMC Sonoma
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1987 GMC V1500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1987 GMC V2500
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1987-1991 GMC V2500 Suburban
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1992-1999 GMC Yukon
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2000-2000 GMC Yukon
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2001-2013 GMC Yukon
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2000-2013 GMC Yukon XL 1500
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2006-2008 Hummer H3
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2003-2008 Isuzu Ascender
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1999-2000 Isuzu Hombre
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1973-1983 Oldsmobile 98
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1994-1994 Oldsmobile Bravada
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1996-2001 Oldsmobile Bravada
• 8.5 In. Ring Gear; 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 2002-2004 Oldsmobile Bravada
• 8.625 In. Ring Gear; w/3.73 Axle Ratio
• 1980-1992 Oldsmobile Custom Cruiser
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1977 Oldsmobile Cutlass
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1985-1986 Oldsmobile Cutlass
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1977 Oldsmobile Cutlass Supreme
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1973-1985 Oldsmobile Delta 88
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1972 Oldsmobile F85
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1973-1979 Oldsmobile Omega
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1986 Pontiac Bonneville
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1981 Pontiac Catalina
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1970 Pontiac Executive
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1981 Pontiac Firebird
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1973-1975 Pontiac Grand Am
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1978-1980 Pontiac Grand Am
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1975-1981 Pontiac Grand LeMans
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1987 Pontiac Grand Prix
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1976 Pontiac Grand Safari
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1975 Pontiac Grandville
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1973 Pontiac GTO
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1970-1981 Pontiac LeMans
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1983-1986 Pontiac Parisienne
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1978-1979 Pontiac Phoenix
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 1971-1977 Pontiac Ventura
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2005-2006 Saab 9-2X
• 8.5 In. Ring Gear; w/3.73 Axle Ratio
• 2005-2009 Saab 9-7x
• 8.625 In. Ring Gear; w/3.73 Axle Ratio