Contact Us
USA Flag
SUPPORT
SMALL BUSINESS
📦 My Cart
- OR -

Differential Ring and Pinion - Front or Rear (Motive Gear) for 1970-2020 Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, & Saab

$557.99
Save up to 80% vs List Price!

ℹ️ Product Notes

Position: Front or Rear
For GM 8.5"/8.625" (10 Bolt); 4.11 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Differential Ring and Pinion
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner's circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
Brand: Motive Gear
Condition: New
🤝
100% Money-Back Guarantee
↩️
120-Day Returns
🏅
Insurance-Grade Quality

🛡️ Lifetime Warranty Included

This part comes with our industry-leading lifetime warranty. Shop with confidence!

SKU #
F891791
  • Position: Front or Rear Position
  • New Condition
  • Motive Gear Quality
  • Easy Installation - No Modifications
Wrenchy the Robot

Meet Wrenchy - The Amazing Parts Assistant!Meet Wrenchy
The Amazing Assistant!

Let Wrenchy help you confirm if this is the right part.

Ask Wrenchy -
Type or Speak! 🎤

Product Specifications


Detailed specifications and attributes for this part:

Attribute Value
App/Model Gm 8.5, Gm 8.625
Differential Carrier Break 2.73 Ratio And Higher
Differential Case Design Type Gm 8.5, Gm 8.625
Gear Ratio 4.11
Pinion Shaft Diameter 1.626
Pinion Spline Count 30
Ring & Pinion Gear Ratio 4.11
Ring Gear Diameter 8.5
Ring Gear Material 8620 Steel
Ring Gear Outside Diameter 8.5
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 41
Taxonomy A Ld Differential
Taxonomy B Ring And Pinion
Taxonomy C Front, Rear
Taxonomy D 4.11

Vehicle Fitment Guide

This part fits the following vehicles:

Make Models
Buick Apollo, Centurion, Century, Commercial Chassis, Electra, Estate Wagon, LeSabre, Rainier, Regal, Riviera, Roadmaster, Skylark
Cadillac Brougham, DeVille, Escalade, Escalade ESV, Escalade EXT, Fleetwood, Seville
Chevrolet Avalanche, Avalanche 1500, Bel Air, Biscayne, Blazer, Brookwood, C10, C10 Suburban, C15, C1500, C1500 Suburban, Camaro, Caprice, Chevelle, Colorado, El Camino, Express 1500, G10, G20, Impala, K10, K10 Suburban, K1500, K1500 Suburban, K20, K20 Suburban, K2500, K5 Blazer, Malibu, Monte Carlo, Nova, R10, R10 Suburban, R1500 Suburban, S10, S10 Blazer, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD, Silverado 1500 HD Classic, SSR, Suburban 1500, Tahoe, Trailblazer, Trailblazer EXT, V10, V10 Suburban, V1500 Suburban, V20, V20 Suburban, V2500 Suburban
GMC C1500, C1500 Suburban, Canyon, Envoy, Envoy XL, Envoy XUV, G1500, G2500, Jimmy, K15, K15 Suburban, K1500, K1500 Suburban, K25, K25 Suburban, K2500, K2500 Suburban, R1500, R1500 Suburban, Savana 1500, Sierra, Sierra 1500, Sierra 1500 Classic, Sonoma, Sprint, Typhoon, V1500, V1500 Suburban, V2500, V2500 Suburban, Yukon, Yukon XL 1500
Hummer H3, H3T
Isuzu Ascender
Oldsmobile 442, 98, Custom Cruiser, Cutlass, Cutlass Calais, Cutlass Cruiser, Cutlass Salon, Cutlass Supreme, Delta 88, F85, Omega, Vista Cruiser
Pontiac Bonneville, Catalina, Firebird, Grand Am, Grand LeMans, Grand Prix, Grandville, GTO, Laurentian, LeMans, Parisienne, Phoenix, Ventura
Saab 9-7x

This is a universal part that fits 4,646 vehicle configurations across 9 makes.

⚠️ Important: Please verify your vehicle's year, make, model, and specifications before ordering. If you're unsure about fitment, contact our customer service team for assistance.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

More Information


Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner's circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

Interchange Parts

Brand Part Number
American Axle & Manufacturing 3988515
American Axle & Manufacturing 40053031
Dorman 697-303
EXCEL from Richmond GM85410
General Motors 12479057
General Motors 26009753
General Motors 26058945
Motive Gear G885410
Motive Gear GM10-411A
Nitro Gear & Axle GM8.5-411-NG
Richmond Gear 69-0165-1
Richmond Gear SGM8506
Yukon Gear and Axle YG GM8.5-411

Fits Years: 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Why Millions Choose Go-Parts

Your Go-To Place for Auto Parts!

100% Money-Back Guarantee

Shop with confidence and peace of mind

🏆

Trusted Since 2007

Over 19 years of excellence

🏅

OEM Quality

Meets or exceeds OE standards

🚚 Fast Shipping • ↩️ 120-Day Returns • 🎯 Perfect Fit Guaranteed

Racing Partner Videos

×

Search by Vehicle

1
2
3
×

Search by Vehicle

1
2
3