$20K Sweeps! 10 Chances to Win! Enter Daily >

ATS Diesel Performance Allison Transmission Master Rebuild Kit; $100 Core Charge Included (11-19 6.6L Duramax Silverado 2500 HD)Find parts that fit my vehicle

Item HS75931
Our Price

$1,864.99 set

Military, Medical & First Responders $93.25 Available in AT Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    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

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • ATS Diesel Performance Allison Transmission Master Rebuild Kit
      • Complete Master Rebuild Kit for Allison LCT 1000 Transmission
      • Includes Paper and Rubber Kit with Internal and External Filters
      • C1 Through C4 Raybestos GPZ Performance Clutch Friction, Steel, and Apply/Pressure Plate Packs
      • ATS Upgraded P1 Sun Gear Bearing for Improved Reliability
      • Upgraded C3 and C4 Pistons and Piston Retainers
      • Redesigned Clutch Packs for Enhanced Strength and Durability
      • Hard Installation
      • Fits 2011 to 2019 6.6L Duramax Silverado 2500 HD

      Description

      Allison Transmission Rebuild Excellence. The ATS Diesel Performance Allison Transmission Master Rebuild Kit provides everything needed to restore or upgrade your Allison LCT 1000 transmission for improved durability and performance. This kit is ideal for high-powered or towing-heavy Duramax builds, offering upgraded internal components engineered to exceed factory reliability standards.

      Performance-Grade Construction. This complete kit includes premium Raybestos GPZ clutch friction materials, apply plates, and steel plates for C1 through C4 clutches—designed to handle extreme heat and stress. ATS's upgraded P1 sun gear bearing and reinforced C3/C4 pistons provide additional longevity under demanding use. Filters and gaskets ensure a thorough rebuild, from sealing to filtration.

      Installation. This is a hard installation requiring transmission disassembly and expertise in drivetrain rebuilding. Professional installation is strongly recommended.

      Application. The ATS Diesel Performance Allison Transmission Master Rebuild Kit fits 2011 to 2019 6.6L Duramax-powered Chevrolet Silverado 2500 HD models equipped with the Allison LCT 1000 automatic transmission.

      ATS Diesel Performance 313-921-4368

      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) Paper And Rubber Gasket Kit
      • (1) Internal Transmission Filter
      • (1) External Transmission Filter
      • (1) C1 Through C4 GPZ Clutch Pack Set
      • (1) Set Of Apply And Pressure Plates
      • (1) Upgraded P1 Sun Gear Bearing
      • (1) Upgraded C3 And C4 Pistons With Retainers

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Silverado 2500

      • 6.6L V8 Duramax - 11, 12, 13, 14, 15, 16, 17, 18, 19