SKU: ATS309-842-4440

Stage 4 Allison LCT1000 Crate Transmission

Ships From Manufacturer in 15-20 Days
Confirmed fitment below
YEARS
2017-2019
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax L5P
Price
$7,826.95
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PRODUCT DETAIL

Key Features & Description

Features:

  • Complete Stage 4 transmission package
  • Includes ATS Five Star torque converter
  • Deep pan improves cooling and fluid capacity
  • ATS Co-Pilot controller for better shifting
  • Billet input shaft for added strength
  • Billet intermediate shaft handles extra torque
  • Designed for 2017-2019 L5P Duramax engines
  • Fits Silverado and Sierra 2500HD/3500HD trucks
  • 2WD compatible for rear-wheel drive models
  • Engineered for towing and performance builds
  • $500 shipping surcharge applies at checkout

Built for Duramax Owners Who Demand More from 2WD

If you’ve been putting your 2017-2019 L5P Duramax through its paces and are starting to feel your stock transmission struggle, it might be time to step up to something that’s built to handle more. The ATS Stage 4 Allison LCT1000 Crate Transmission is the perfect solution for Silverado and Sierra 2500HD or 3500HD owners running a 2WD setup. Whether your truck is a dedicated tow rig, a street-driven powerhouse, or anything in between, this complete package gives you the confidence to push your Duramax without worrying about holding back. From daily use to heavy hauling, this transmission is designed to keep you moving with strength and reliability.

Loaded with Proven ATS Performance Components

This package comes ready to handle the job with a long list of performance upgrades. It features the ATS Five Star torque converter to deliver better power transfer when towing or accelerating under load. The deep transmission pan helps improve cooling and fluid capacity, keeping temperatures in check during demanding conditions. You’ll also benefit from the ATS Co-Pilot controller, giving you better control over shift timing and line pressure. To handle the extra torque and stress, ATS includes billet input and intermediate shafts for added strength where it counts. Designed for 2WD Duramax trucks, this crate transmission arrives ready to install. Just note that a $500 freight surcharge applies at checkout to cover the cost of shipping this heavy-duty unit right to your door.

Fits: 2017, 2018, 2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P 2WD

Includes:

  • ATS 2WD 2017-2019 Allison LCT1000 Performance Transmission
  • ATS Allison LCT1000 Five Star Torque Converter (302-950-4440)
  • ATS Allison LCT1000 Deep Transmission Pan (301-900-4248)
  • ATS Co-Pilot Transmission Controller (601-924-4440)
  • Billet Input Shaft
  • Billet Intermediate Shaft

Note: $500 Shipping surcharge will be added at checkout

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2017-2019
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax L5P

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