FREE 1 to 3-Day Delivery on Orders $119+ Details

Talk to a Sierra 1500 Sales Tech
1-888-706-1096
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Black Friday is Here! Shop Early Deals >
Get $80 Off Redeem Now >

Find Ring & Pinion Gears for your Sierra 1500

G2 Axle and Gear 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 3.73 Gear Ratio (07-18 Sierra 1500)Find parts that fit my vehicle

Item S506512
Product Image
G2 Axle and Gear 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 3.73 Gear Ratio (07-18 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 4.9 G2 Axle and Gear Drivetrain product ratings
Our Price

$319.99 kit

Out of Stock

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

      • Ideal for Street Applications
      • Features a 3.73 Gear Ratio
      • Designed with 8.5 in. and 8.6 in. Ring Gear Diameter
      • 30-Spline Pinion
      • 10 7/16” x 20 LH Ring Gear Bolts
      • Forged 8620 Steel Construction
      • Professional Installation Recommended
      • 10-Year Limited Warranty
      • Fits 2007 to 2018 GMC Sierra 1500 Models

      Description

      Upgrade Your Gears. The G2 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit with 3.73 gear ratio is precisely designed to the OE factory specifications and is an excellent replacement option for the stock gears. By matching the strict OEM specs, the G2 Rear Ring Gear and Pinion Kit has a perfect fit that makes installation easy. Additionally, they’re made to be durable, with higher heat tolerance and less road noise.

      Superior Quality. G2 crafted their products from high quality forged 8620 steel that is precision-machined using the latest manufacturing technology. Heat treatment added durability to the Ring Gear and Pinion while lapping ensures a smooth finish for reduced friction, wear, and road noise.

      Professional Installation Recommended. G2 recommends that installation of the kit is performed by a professional mechanic. Installing the Ring Gear and Pinion requires specialist equipment and expertise.

      Includes 10-Year Limited Warranty. The G2 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit is warranted to be free of defects in workmanship and materials. Exclusions will apply.

      Application. The G2 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit with 3.73 gear ratio is designed to fit 2007 to 2018 GMC Sierra 1500 models.

      Shop All Truck Parts And Accessories

      Shop All Truck Drivetrain Parts

      Shop All Truck Gears: Ring And Pinion

      Fitment:

      G2 Axle and Gear 1-2021-373

      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) Rear Ring Gear
      • (1) Pinion Gear
      4.9

      Reviews of G2 Axle and Gear Drivetrain Products (71)

      Brand Image

      Reviews of G2 Axle and Gear Drivetrain products have an average rating of 4.9 out of 5

      Questions & Answers

      No questions about this product yet. Ask the First Question

          Related Sierra 1500 Categories

          Word on the Trail

          This was just easy. I Researched what I wanted, read the reviews and made my purchase, all right here! I am confident this will do EXACTLY what I needed.

          billhuffmansr
          Previous Slide Next Slide