3.42 Ratio Differential Ring and Pinion for 8.5 (Inch) (10 Bolt)

11640
11639
143416
143417
143418

49-0278-1 Application Notes

  • For GM 8.5"/8.625" (10 Bolt)
  • 3.42 Ratio
  • 2.73 Ratio Carrier and Higher

Warranty

2 Years or 100,000 Miles

49-0278-1 Specifications

Cover Bolt Quantity 10
Differential Carrier Break 2.76 Ratio and Higher
Differential Case Design Type GM 8.5, GM 8.625
Pinion Gear Tooth Quantity 12
Pinion Shaft Diameter 1.626 (Inch)
Pinion Spline Count 30
Ring & Pinion Gear Ratio 3.42
Ring Gear Bolt Quantity 10
Ring Gear Diameter 8.5 (Inch)
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 41
Taxonomy A LD Differential, LD Differential, LD Differential
Taxonomy B Ring and Pinion, Ring and Pinion, Ring and Pinion
Taxonomy C GM 8.5, GM 8.625, GM 8.5, GM 8.625, GM 8.5, GM 8.625
Taxonomy D Front or Rear, Front or Rear, Front or Rear
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
  • 1988 – 1991 Chevrolet K2500
  • 1975 – 1986 Chevrolet K5 Blazer
  • 1991 – 1994 Chevrolet S10 Blazer
  • 1981 – 1984 Chevrolet Terrain
  • 1987 Chevrolet V10
  • 1987 – 1988 Chevrolet V10 Suburban
  • 1989 – 1991 Chevrolet V1500 Suburban
  • 1994 – 2005 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
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