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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 (99-18 Sierra 1500)Find parts that fit my vehicle

Item S506513
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$113.99
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$225.99 kit

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Ideal for Performance Applications
      • Comes with a 3.73 Gear Ratio
      • Has a 8.5 in. and 8.6 in. Ring Gear Diameter
      • Features a 30-Spline Pinion
      • 10 7/16” x 20 LH Ring Gear Bolts
      • Made from Forged 8620 Steel
      • Professional Installation Recommended
      • 10-Year Limited Warranty
      • Fits 1999 to 2018 GMC Sierra 1500 Models

      Description

      Designed for Performance Applications. Modern performance applications can easily outpace the capabilities of stock components. With the G2 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit with 3.73 gear ratio can support the load of your application. It’s designed according to tight OEM specifications. This ensures a perfect fit for easy installation. Furthermore, the kit is designed to be durable with a high heat tolerance and low road noise.

      High-Quality Gears. The G2 Rear Ring Gears and Pinions are precisely machined using the latest manufacturing technology. Made from high-grade forged 8620 steel and heat-treated to make it as tough and durable as possible. Furthermore, the surfaces are lapped for a smooth finish that reduces friction and road noise.

      Professional Installation Recommended. Installing the kit requires specialist equipment and high mechanical expertise. G2 recommends that installation is performed by a reputable professional mechanic.

      Backed by 10-Year Limited Warranty. G2 warrants the 8.5 in. & 8.6 in. Rear Ring Gear and Pinion Kit 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 1999 to 2018 GMC Sierra 1500 models.

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      Fitment:

      G2 Axle and Gear 2-2021-373

      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

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