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Find Ring & Pinion Gears for your Sierra 1500

Nitro Gear & Axle GM 9.50-Inch Rear Axle Ring and Pinion Gear Kit; 4.88 Gear Ratio (14-26 5.3L Sierra 1500)Find parts that fit my vehicle

Item S539941
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AmericanTrucks no longer carries the Nitro Gear & Axle GM 9.50-Inch Rear Axle Ring and Pinion Gear Kit; 4.88 Gear Ratio (14-26 5.3L Sierra 1500). Please check out 1999-2006 GMC Sierra Drivetrain for an updated selection.
8 Reviews of Nitro Gear & Axle
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    Product Information

    Features, Description, Q&A, Specs & Installation

    Features

    • Nitro Gear & Axle GM 9.50-Inch Rear Axle Ring and Pinion Gear Kit; 4.88 Gear Ratio
    • Precision-Cut Hypoid Gears Heat-Treated for Strength
    • With 4.88:1 Ratio for Improved Acceleration and Towing Performance
    • Includes Pinion Bearings, Crush Sleeve, and Seal
    • Ring Gear Bolts and Loctite Included
    • Pre-Set Backlash and Contact Pattern for Reliable Break-In
    • Corrosion-Resistant Finish on Carrier Assembly
    • Fits 2014–2026 Sierra 1500 with 5.3-Liter Engine and GM 9.50-Inch Rear Axle

    Description

    Optimized Gear Ratio for Power Delivery. This Nitro Gear & Axle kit upgrades your Sierra’s rear end with a 4.88 gear set, delivering quicker throttle response and enhanced towing capability. The hypoid design ensures smooth operation and even load distribution across gear teeth.

    Comprehensive Installation Package. Beyond ring and pinion, the kit includes all necessary bearings, seals, and hardware. The pinion crush sleeve design allows precise preload adjustment, and the pre-set backlash ensures proper gear mesh for dependable break-in.

    Installation. This product installs by disassembling the axle carrier, installing the pinion with crush sleeve and bearings, setting pinion preload, mounting the ring gear to the carrier, adjusting backlash, and verifying gear pattern—professional installation with proper tools is recommended.

    Application. This Nitro Gear & Axle GM 9.50-Inch Rear Axle Ring and Pinion Gear Kit; 4.88 Gear Ratio fits 2014–2026 Sierra 1500 models equipped with the 5.3-liter engine and factory 9.50-inch rear axle.

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

    Installation & What's in the Box

    Installation Info

    Installation Time

    (approx) 6 Hours

    Difficulty Level:

    Mechanical expertise or professional installation required.

    Installation Guides

      No guide available for this part yet.

    What's in the Box

    • (1) Ring
    • (1) Pinion gear
    • (1) Instruction sheet
    4.8

    Reviews of Nitro Gear & Axle Drivetrain Products (8)

    Questions & Answers

    No questions about this product yet. Ask the First Question