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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)

Item S506512
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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)
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$319.99 (kit)

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      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)

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

        Questions & Answers

        10 More Questions

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