Differential Ring and Pinion (10 Bolt)

781
148037
148038
148039
780

GM85308 Application Notes

  • For GM 8.5"/8.625" (10 Bolt)
  • 3.08 Ratio
  • Requires a 2.73 and Numerically Higher Ratio Carrier

Warranty

1 Year or 50,000 Miles

GM85308 Specifications

App Model GM 8.5, GM 8.625
Cover Bolt Quantity 10
Differential Carrier Break 2.73 Ratio and Higher
Differential Case Design Type GM 8.5, GM 8.625
Gear Ratio 3.08
Pinion Gear Tooth Quantity 13
Pinion Shaft Diameter 1.626 (Inch)
Pinion Spline Count 30
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 40
Taxonomy A LD Differential, LD Differential, LD Differential
Taxonomy B Ring and Pinion, Ring and Pinion, Ring and Pinion
Taxonomy C Front, Rear, Front, Rear, Front, Rear
Taxonomy D 3.08, 3.08, 3.08
Where to buy

Vehicle Applications

  • 1987 – 2005 Chevrolet Blazer
  • 1977 – 1986 Chevrolet K10
  • 1977 – 1986 Chevrolet K10 Suburban
  • 1988 – 1999 Chevrolet K1500
  • 1993 – 1999 Chevrolet K1500 Suburban
  • 1977 – 1986 Chevrolet K20
  • 1977 – 1986 Chevrolet K20 Suburban
  • 1988 – 1991 Chevrolet K2500
  • 1975 – 1986 Chevrolet K5 Blazer
  • 1991 – 1994 Chevrolet S10 Blazer
  • 1987 Chevrolet V10
  • 1987 – 1988 Chevrolet V10 Suburban
  • 1989 – 1991 Chevrolet V1500 Suburban
  • 1987 Chevrolet V20
  • 1987 – 1988 Chevrolet V20 Suburban
  • 1989 – 1991 Chevrolet V2500 Suburban
  • 1970 – 1991 GMC Jimmy
  • 1979 – 1986 GMC K1500
  • 1988 – 1999 GMC K1500
  • 1979 – 1986 GMC K1500 Suburban
  • 1992 – 1999 GMC K1500 Suburban
  • 1979 – 1986 GMC K2500
  • 1988 – 1991 GMC K2500
  • 1979 – 1986 GMC K2500 Suburban
  • 1987 GMC V1500
  • 1987 – 1991 GMC V1500 Suburban
  • 1987 GMC V2500
  • 1987 – 1991 GMC V2500 Suburban
  • 1975 – 1979 Plymouth Poseidon
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