800.345.4545
Unrivaled Customer Service
And Expert Tech Advice!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
$0.00
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

Top Categories

All Categories


Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

Auburn Gear 342031

Ring and Pinion GM 8.5" 10 Bolt Front And Rear/GM 8.6" 10 Bolt Rear Style

Auburn Gear 342031
Representative Image
Product images may differ from actual product appearance.

109-342031

jegs shipping
FREE Shipping
Ships
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
$178.99
$158.99
ON SALE - $20.00 OFF
Auburn Gear 342031 Ring and Pinion GM 8.5" 10 Bolt Front And Rear/GM 8.6" 10 Bolt Rear Style $158.99
Ring and Pinion
  • GM 8.5" 10 Bolt Front And Rear/GM 8.6" 10 Bolt Rear Style
  • 3.42 Ratio
  • 41-12 Teeth

  • Auburn Gear 342031 Details

    GM

    Specifications:
  • Ring Gear Diameter 8.5"
  • 10 7/16" X 20 RH Threaded Bolts
  • Pinion Diameter 1.626" 30 Splines
  • Case Ratio: 2.56:1 & Numerically Lower
  • Case Ratio: 2.73:1 & Numerically Higher
  • 8620 Material- Heat Treated

  • Specifications:

    Axle Type
    GM 8.5 in.
    Gear Ratio
    3.42
    Gear Ratio
    3.42
    Position
    Front Or Rear
    Manufacturer's Part Number:
    342031

    Auburn Gear Ring and Pinion Gears are backed by over 60 years of manufacturing and developing experience and are developed in a state-of-the-art facility. Increasing gear ratio helps create more force to each spin of the wheels. With various ratio sizes, Auburn Gear delivers the performance needs for your car, truck or SUV.

    JEGS Easy Kits are designed by JEGS Professionals to help you get all the performance parts you need.

    Does Auburn Gear 342031 fit your vehicle?

    Narrow Results
    Filter By
    Year
    Filter By
    Make
    Filter By
    Model
    Filter By
    SubModel
    Filter By
    EngineType
    Filter By
    CC
    Filter By
    Liter
    Filter By
    Aspiration

    1990-1991 CHEVROLET K1500 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1978-1979 PONTIAC GRAND PRIX

    • Liter: 5.0
    • SubModel: LJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1981 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1973-1974 PONTIAC GRAND SAFARI

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    2005 CHEVROLET SILVERADO 1500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2000-2001 CHEVROLET TAHOE

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 294
    • EngineType: V8 ( 4.8 L / 294 )

    1979-1982 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    2004 CHEVROLET COLORADO

    • CC: 3460
    • Liter: 3.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: 6
    • CUI: 211
    • EngineType: L5 ( 3.5 L / 211 )

    1971 PONTIAC GRAND SAFARI

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2000 GMC YUKON

    • EngineType: ALL
    • SubModel: ALL

    1972 PONTIAC CATALINA

    • CC: 7456
    • Liter: 7.5
    • SubModel: BROUGHAM
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1969-1971 OLDSMOBILE F85

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969 PONTIAC LEMANS

    • CC: 6555
    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    2000 CHEVROLET SUBURBAN 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: LT
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1977 OLDSMOBILE OMEGA

    • Liter: 5.0
    • SubModel: DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1976 OLDSMOBILE CUTLASS

    • Liter: 7.5
    • SubModel: S
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972 PONTIAC VENTURA

    • EngineType: ALL
    • SubModel: ALL

    1999-2006 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: LS

    1972 CHEVROLET BROOKWOOD

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: DELUXE

    2008 CHEVROLET TAHOE

    • CC: 5328
    • Liter: 5.3
    • SubModel: LS
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1972 PONTIAC CATALINA

    • CC: 6556
    • Liter: 6.6
    • SubModel: BROUGHAM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1974 BUICK ESTATE WAGON

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1979-1982 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    2006-2007 CHEVROLET COLORADO

    • EngineType: ALL
    • SubModel: WT

    1965-1966 PONTIAC GTO

    • CC: 6376
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1985 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    2002 CHEVROLET TRAILBLAZER

    • Liter: 4.2
    • Aspiration: N
    • SubModel: LT
    • Engine Vin: S
    • CUI: 256
    • EngineType: L6 ( 4.2 L / 256 )

    2006 CHEVROLET TAHOE

    • CC: 5328
    • Liter: 5.3
    • SubModel: Z71
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    2007-2011 GMC YUKON

    • EngineType: ALL
    • SubModel: SLT

    1980-1981 PONTIAC FIREBIRD

    • CC: 3800
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1974 PONTIAC GRAND AM

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976 OLDSMOBILE OMEGA

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    2005-2012 CHEVROLET SUBURBAN 1500

    • EngineType: ALL
    • SubModel: LT

    1981 OLDSMOBILE CUTLASS

    • CC: 3800
    • Liter: 3.8
    • SubModel: LS
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979 PONTIAC GRAND PRIX

    • Liter: 3.8
    • SubModel: SJ
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2011-2014 GMC SAVANA 1500

    • EngineType: ALL
    • SubModel: ALL

    1976 PONTIAC LEMANS

    • Liter: 4.1
    • SubModel: SPORT
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    2005 CHEVROLET S10 BLAZER

    • EngineType: ALL
    • SubModel: BASE

    2000-2004 GMC YUKON XL 2500

    • EngineType: ALL
    • SubModel: SLE

    1977 OLDSMOBILE OMEGA

    • Liter: 5.7
    • SubModel: DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973 PONTIAC LEMANS

    • CC: 7457
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1969-1971 OLDSMOBILE CUTLASS SUPREME

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 PONTIAC VENTURA

    • CC: 5733
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2001-2003 CHEVROLET SILVERADO 1500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1999-2004 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: LT

    1980 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: BROUGHAM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2009-2013 CADILLAC ESCALADE

    • EngineType: ALL
    • SubModel: HYBRID

    1972 CHEVROLET BROOKWOOD

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 PONTIAC LEMANS

    • EngineType: ALL
    • SubModel: BASE

    2011 CHEVROLET COLORADO

    • CC: 2921
    • Liter: 2.9
    • SubModel: WT
    • CUI: 178
    • EngineType: L4 ( 2.9 L / 178 )

    1982 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1979-1980 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1978-1979 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: ALL

    1976 OLDSMOBILE CUTLASS TIARA

    • EngineType: ALL
    • SubModel: ALL

    2010 CHEVROLET TAHOE

    • CC: 5328
    • Liter: 5.3
    • SubModel: LS
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1993-1996 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: ALL

    1974 PONTIAC CATALINA

    • CC: 4097
    • Liter: 4.1
    • SubModel: SAFARI
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1992 CHEVROLET K2500 PICKUP

    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975 OLDSMOBILE OMEGA

    • Liter: 4.1
    • SubModel: SALON
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972 BUICK GS

    • EngineType: ALL
    • SubModel: ALL

    1968 OLDSMOBILE DELMONT 88

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    2012 CHEVROLET COLORADO

    • EngineType: ALL
    • SubModel: WT

    1967 OLDSMOBILE DELTA 88

    • EngineType: ALL
    • SubModel: CUSTOM

    1979-1980 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1986 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1987-1988 CHEVROLET V10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1999-2001 CHEVROLET S10 BLAZER

    • EngineType: ALL
    • SubModel: TRAILBLAZER

    2002 CHEVROLET TRAILBLAZER

    • Liter: 4.2
    • Aspiration: N
    • SubModel: LS
    • Engine Vin: S
    • CUI: 256
    • EngineType: L6 ( 4.2 L / 256 )

    1977-1978 GMC K15 SUBURBAN

    • Liter: 4.1
    • SubModel: SIERRA GRANDE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    2015-2016 GMC YUKON

    • EngineType: ALL
    • SubModel: SLT

    1980-1981 PONTIAC FIREBIRD

    • Liter: 4.9
    • SubModel: BASE
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1975-1977 OLDSMOBILE CUTLASS

    • Liter: 4.3
    • SubModel: S
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1976-1979 PONTIAC GRAND LEMANS

    • EngineType: ALL
    • SubModel: BASE

    2011-2013 CADILLAC ESCALADE EXT

    • CC: 6162
    • Liter: 6.2
    • SubModel: BASE
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    2006 CHEVROLET SILVERADO 1500 HD

    • EngineType: ALL
    • SubModel: ALL

    1976 OLDSMOBILE OMEGA

    • Liter: 4.1
    • SubModel: BROUGHAM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    2000-2001 CHEVROLET TAHOE

    • CC: 5328
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1965 PONTIAC CATALINA

    • EngineType: ALL
    • SubModel: BASE

    1969 CHEVROLET BROOKWOOD

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1983 PONTIAC PARISIENNE

    • Liter: 5.7
    • SubModel: BROUGHAM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 OLDSMOBILE CUTLASS

    • Liter: 4.3
    • SubModel: LS
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1980-1983 BUICK LESABRE

    • EngineType: ALL
    • SubModel: LIMITED

    2011-2012 GMC CANYON

    • EngineType: ALL
    • SubModel: SLE

    1978-1979 PONTIAC GRAND PRIX

    • Liter: 5.0
    • SubModel: SJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    2009-2010 GMC SAVANA 1500

    • EngineType: ALL
    • SubModel: LS

    1976 PONTIAC LEMANS

    • Liter: 7.5
    • SubModel: SPORT
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1974 BUICK ESTATE WAGON

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2002-2004 CHEVROLET S10 BLAZER

    • EngineType: ALL
    • SubModel: LS

    1979 PONTIAC LEMANS

    • Liter: 4.9
    • SubModel: SAFARI
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    2005 CHEVROLET COLORADO

    • EngineType: ALL
    • SubModel: SPORT LS

    1977 OLDSMOBILE OMEGA

    • Liter: 4.3
    • SubModel: DELUXE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1972-1974 PONTIAC LEMANS

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968 OLDSMOBILE 442

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2011-2016 CADILLAC ESCALADE ESV

    • EngineType: ALL
    • SubModel: LUXURY

    1981 OLDSMOBILE CUTLASS

    • Liter: 4.4
    • SubModel: BROUGHAM
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1987 CHEVROLET V10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1973 PONTIAC LEMANS

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )
    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations