Brand: Motive Gear
RP GM 8.5″ 8.6″ 3.90 MG
UPC: 00698231278949
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: 3.90
Pinion Gear Tooth Quantity: 10
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: 39
Taxonomy A: LD Differential
Taxonomy B: Ring and Pinion
Taxonomy C: Front|Rear
Taxonomy D: 3.90

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

Warranty Period: 1 Year or 50,000 Miles

Replaces:

• SVL: 2020954
• Yukon Gear and Axle: 24159
• Richmond Gear: 49-0034-1
• SVL: DS2020954
• Motive Gear: G885390
• Nitro Gear & Axle: GM8.5-390-NG
• EXCEL from Richmond: GM85390
• Yukon Gear and Axle: YG GM8.5-390

Applications:

• 1971-1989 Buick Electra
• 2004-2007 Buick Rainier
• 1976-1987 Buick Regal
• 1975-1978 Buick Riviera
• 1970-1972 Buick Skylark
• 1975-1979 Buick Skylark
• 1970-1972 Buick Sportwagon
• 1999-2000 Cadillac Escalade
• 2002-2013 Cadillac Escalade
• 2003-2013 Cadillac Escalade ESV
• 2002-2013 Cadillac Escalade EXT
• 2007-2013 Chevrolet Avalanche
• 2002-2006 Chevrolet Avalanche 1500
• 1970-1975 Chevrolet Bel Air
• 1987-1994 Chevrolet Blazer
• 1979-1986 Chevrolet C10
• 1988-1999 Chevrolet C1500
• 1989-2000 Chevrolet C2500
• 1970-1981 Chevrolet Camaro
• 1970-1996 Chevrolet Caprice
• 1973-1973 Chevrolet Chevelle
• 2004-2013 Chevrolet Colorado
• 1991-1994 Chevrolet Commercial Chassis
• 1971-1976 Chevrolet El Camino
• 1970-1970 Chevrolet Estate
• 1996-2014 Chevrolet Express 1500
• 1996-1998 Chevrolet Express 2500
• 1979-1995 Chevrolet G10
• 1975-1995 Chevrolet G20
• 1971-1985 Chevrolet Impala
• 1994-1996 Chevrolet Impala
• 1977-1986 Chevrolet K10
• 1988-1999 Chevrolet K1500
• 1977-1986 Chevrolet K20
• 1988-1991 Chevrolet K2500
• 1977-1986 Chevrolet K5 Blazer
• 1971-1972 Chevrolet Kingswood
• 1973-1973 Chevrolet Laguna
• 1973-1973 Chevrolet Malibu
• 1978-1983 Chevrolet Malibu
• 1973-1978 Chevrolet Monte Carlo
• 1970-1979 Chevrolet Nova
• 1994-2004 Chevrolet S10
• 1994-1994 Chevrolet S10 Blazer
• 1999-2017 Chevrolet Silverado 1500
• 2007-2007 Chevrolet Silverado 1500 Classic
• 2007-2007 Chevrolet Silverado 1500 HD Classic
• 2003-2006 Chevrolet SSR
• 1987-1987 Chevrolet Suburban
• 1990-1994 Chevrolet Suburban
• 1995-2014 Chevrolet Suburban 1500
• 1995-2017 Chevrolet Tahoe
• 1971-1972 Chevrolet Townsman
• 2002-2009 Chevrolet Trailblazer
• 2002-2006 Chevrolet Trailblazer EXT
• 1977-1978 GMC C15 Suburban
• 1979-1986 GMC C1500
• 1988-1998 GMC C1500
• 1979-1986 GMC C1500 Suburban
• 1992-1999 GMC C1500 Suburban
• 1977-1978 GMC C25 Suburban
• 1997-1998 GMC C2500
• 1979-1986 GMC C2500 Suburban
• 2004-2012 GMC Canyon
• 2002-2009 GMC Envoy
• 2002-2006 GMC Envoy XL
• 2004-2005 GMC Envoy XUV
• 1979-1995 GMC G1500
• 1978-1978 GMC G25
• 1979-1995 GMC G2500
• 1994-1994 GMC Jimmy
• 1977-1978 GMC K15
• 1977-1978 GMC K15 Suburban
• 1979-1986 GMC K1500
• 1988-1998 GMC K1500
• 1979-1986 GMC K1500 Suburban
• 1992-1999 GMC K1500 Suburban
• 1977-1978 GMC K25
• 1977-1978 GMC K25 Suburban
• 1979-1986 GMC K2500
• 1988-1991 GMC K2500
• 1979-1986 GMC K2500 Suburban
• 1987-1991 GMC R1500 Suburban
• 1987-1990 GMC R2500 Suburban
• 1996-2013 GMC Savana 1500
• 1996-1998 GMC Savana 2500
• 1999-2017 GMC Sierra 1500
• 2001-2003 GMC Sierra 1500 HD
• 2005-2006 GMC Sierra 1500 HD
• 2007-2007 GMC Sierra 1500 HD Classic
• 1994-2004 GMC Sonoma
• 1992-1993 GMC Typhoon
• 1987-1991 GMC V1500 Suburban
• 1987-1990 GMC V2500 Suburban
• 1992-2013 GMC Yukon
• 2000-2013 GMC Yukon XL 1500
• 2006-2010 Hummer H3
• 2009-2010 Hummer H3T
• 2003-2008 Isuzu Ascender
• 1970-1981 Oldsmobile Cutlass
• 1985-1986 Oldsmobile Cutlass
• 1987-1987 Oldsmobile Cutlass
• 1978-1984 Oldsmobile Cutlass Calais
• 1980-1983 Oldsmobile Cutlass Cruiser
• 1975-1980 Oldsmobile Cutlass Salon
• 1985-1987 Oldsmobile Cutlass Salon
• 1970-1987 Oldsmobile Cutlass Supreme
• 1976-1976 Oldsmobile Cutlass Tiara
• 1973-1979 Oldsmobile Omega
• 1970-1986 Pontiac Bonneville
• 1970-1981 Pontiac Catalina
• 1970-1981 Pontiac Firebird
• 1975-1983 Pontiac Grand LeMans
• 1971-1987 Pontiac Grand Prix
• 1971-1972 Pontiac Grand Safari
• 1975-1978 Pontiac Grand Safari
• 1970-1973 Pontiac GTO
• 1971-1981 Pontiac LeMans
• 1976-1977 Pontiac Ventura