Guaranteed 12/24 Delivery Still Available see item page for details! available on most items - Details

Talk to a Sierra 1500 Sales Tech
1-888-706-1096
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $4,000! Enter Daily

Find Ring & Pinion Gears for your Sierra 1500

USA Standard Gear 8.6-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.88 Gear Ratio (99-08 Sierra 1500)Find parts that fit my vehicle

Item S551040
Product Image
USA Standard Gear 8.6-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.88 Gear Ratio (99-08 Sierra 1500)
Verify parts fit and get product recommendations.
Sierra 1500 Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
Call now 1-888-706-1096 Chat Now
$0.00
Want $10? Write one of the first 5 reviews 4.8 USA Standard Gear Drivetrain product ratings
Our Price

$1,299.89 kit

Ship to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
Add to Cart
Save for later
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Loading Indicator

      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • USA Standard Gear Posi Rear Axle Ring and Pinion Gear Kit
      • Has a 4.88 Gear Ratio
      • Matte Black and Brushed Metal Finish
      • For Use with 10-Bolt Rear Covers and 10-Bolt Ring Gears
      • Includes LM603049/LM603012 Carrier Bearing and Race and a Master Install Kit with Koyo Bearings
      • Comes with an 8.6-Inch Posi Rear Axle Ring
      • Direct Replacement
      • Fits 1999-2008 Sierra 1500 Models

      Description

      Enhanced Drivetrain Performance. The USA Standard Gear Posi Rear Axle Ring and Pinion Gear Kit is meticulously engineered for 1999-2008 Sierra 1500 models, designed to improve the vehicle’s drivetrain performance significantly. Featuring a 4.88 gear ratio, this kit enhances torque and acceleration, particularly beneficial for towing and off-road use. The kit’s matte black and brushed metal finish not only ensures durability but also adds a robust aesthetic to the vehicle’s undercarriage.

      Robust Construction. Crafted for use with 10-bolt rear covers and 10-bolt ring gears, this kit includes high-quality components such as the LM603049/LM603012 carrier bearing and race, along with a master installation kit that features Koyo bearings, ensuring a high standard of reliability and performance. The 8.6-inch posi rear axle ring included in the kit aids in providing enhanced traction, crucial for maintaining stability and control under various driving conditions.

      Installation. As a direct replacement, this gear kit is designed for straightforward installation, allowing for a seamless integration with the existing setup. The comprehensive inclusion of all necessary parts in the kit ensures that installation is efficient, requiring minimal adjustments for a perfect fit.

      Application. This axle ring and pinion gear kit fits perfectly on 1999-2008 Sierra 1500 models, making it an essential upgrade for drivers looking to enhance their vehicle’s towing capabilities, off-road readiness, and overall driving performance. The inclusion of robust components guarantees a long-lasting enhancement to the Sierra’s drivetrain system.

      Fitment:

      USA Standard Gear ZGK2020

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Axle Ring and Pinion Gear Kit
      4.8

      Reviews of USA Standard Gear Drivetrain Products (7)

      Brand Image

      Reviews of USA Standard Gear Drivetrain products have an average rating of 4.8 out of 5

      Questions & Answers

      No questions about this product yet. Ask the First Question

          Word on the Trail

          This was my first experience shopping with American Trucks for accessories for a new truck. I was very pleased with the selection and wad able to find what I was looking for very easily. I was pleased to see the 'Additional items frequently purchased' displayed as well.

          rkiekens
          Previous Slide Next Slide