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OEM Spider Gear Kit - 74040917 85-12 Rear Axle 10.5" Bolt 30 Tooth Silverado

OEM Spider Gear Kit - 74040917 85-12 Rear Axle 10.5" Bolt 30 Tooth Silverado
This genuine AAM spider and axle gear kit for the 14 bolt 10.5 rear differential fits in 1973-2012 GM 3/4 and 1 ton trucks. That is the heavier 14 bolt with the full floating axles. This kit includes all internal components for an open differential. These will not work in a posi or limited slip differential. AAM is the OE manufacturer of these parts for GM.

Product Information

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Brand American Axle
MPN 12471687
Other Part Number 12471687, 03977344, 03993448, 74040917
Condition NEW
Fitment Notes For Axle: 10.5 Rear; 30 Tooth ; 30 Splines
Fitment List 1999 - 2007 Chevrolet AVALANCHE
1985 - 1996 Chevrolet BLAZER
1985 - 1986 Chevrolet C10
1990 - 2000 Chevrolet C1500
1985 - 1986 Chevrolet C20
1990 - 2000 Chevrolet C2500
1985 - 1986 Chevrolet C30
1990 - 2000 Chevrolet C3500
1996 - 2014 Chevrolet EXPRESS
1985 - 2002 Chevrolet G10
1996 - 2002 Chevrolet G1500
1985 - 2002 Chevrolet G20
1996 - 2002 Chevrolet G2500
1985 - 2002 Chevrolet G30
1992 - 2002 Chevrolet G3500
1985 - 1986 Chevrolet K10
1990 - 2000 Chevrolet K1500
1985 - 1986 Chevrolet K20
1990 - 2000 Chevrolet K2500
1985 - 1986 Chevrolet K30
1990 - 2000 Chevrolet K3500
1985 - 1990 Chevrolet P20
1985 - 1999 Chevrolet P30
1987 - 1991 Chevrolet R10
1987 - 1991 Chevrolet R1500
1987 - 1991 Chevrolet R20
1987 - 1991 Chevrolet R2500
1987 - 1991 Chevrolet R30
1987 - 1991 Chevrolet R3500
1999 - 2014 Chevrolet Silverado
1999 - 2015 Chevrolet Silverado 2500
1999 - 2007 Chevrolet Silverado SS
1985 - 2008 Chevrolet SUBURBAN
2007 - 2008 Chevrolet Suburban 2500
1992 - 2007 Chevrolet Tahoe
1987 - 1991 Chevrolet V10
1987 - 1991 Chevrolet V20
1987 - 1991 Chevrolet V30
1987 - 1991 Chevrolet V3500
1985 - 1999 GMC Forward Control
1987 - 1991 GMC Pickup
1996 - 2014 GMC SAVANA
2006 - 2014 GMC Sierra
2007 - 2014 GMC Sierra 2500
1985 - 1996 GMC Van
2006 - 2008 GMC YUKON
Product Feature 1 Designed, tested and validated to the vehicle manufacturer's exact specifications.
Product Feature 2 AAM Aftermarket provides its customers with high quality, reliability, durability and performance in every aftermarket part it sells.
Product Feature 3 AAM designs, engineers, tests and validates components to meet the same exacting specifications as the parts that they replace.
Product Feature 4 AAM Manufacturing operations - from heat treating and sealing to gear cutting - use proprietary processes and methods.
Product Feature 5 AAM Aftermarket offers a comprehensive line of aftermarket axle and driveshaft components that were originally built for OE vehicle manufacturers.
Estimated Handling Time (days) 1
Genuine OEM TRUE
Interchange Part Number 03977345, 03977346, 03663696, 03873575

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  • To check if this is the right part for your application, go ahead and Contact Us before buying.
  • We accept returns in original condition, 30 days, (see listing details), as long as you keep the product in original condition. If there's something wrong with the product, we'll pay the shipping back.
  • We warranty all our items for 6 Months against manufacturer's defects, in addition to any warranty from the manufacturer. Keep a copy of your order details and let us know as soon as you notice a problem.
  • Returns & Exchanges Accepted in original condition, 30 days, money back or exchange, 10% restocking fee.
  • To Initate a Return or Exchange, contact us BEFORE shipping & please read our full return policy:
  • This Item has a Warranty: One Year against Manufacturer's Defects; Part cost or replacement only.
  • Disclaimer: We do not reimburse any installment or mechanic fees; returns and warranties cover only the value of the part itself, no associated labor.

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