SKU: ATS309-825-4308

Stage 2 Allison LCT1000 Crate Transmission

Ships From Manufacturer in 15-20 Days
Confirmed fitment below
YEARS
2006-2007
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax LBZ/6.6L Duramax LMM
Price
$6,994.99
or
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa
Free Shipping
ORDERS $70+
Easy Returns
HASSLE-FREE
Earn Rewards
ALLIGATOR POINTS
Not sure this fits your build?
Our diesel experts know these trucks. Call or chat before you buy.
1-208-719-7400

PRODUCT DETAIL

Key Features & Description

Features:

  • Fits 2006-2007 6.6L Duramax LBZ 4WD trucks
  • Includes performance-built LCT1000 transmission
  • Comes with ATS Five Star torque converter
  • Includes deep transmission pan for extra capacity
  • Features ATS Co-Pilot transmission controller
  • Designed for 4WD with PTO applications
  • Built for improved towing and performance
  • Engineered for durability under heavy load
  • Comprehensive transmission upgrade package
  • Shipping surcharge applies at checkout

A Complete Transmission Package Built for Real-World Work

If you’ve been fighting slipping gears or weak shifts in your LBZ Duramax, the ATS Stage 2 Allison LCT1000 Crate Transmission is the solution you’ve been looking for. Designed for 2006-2007 Silverado and Sierra 2500HD and 3500HD trucks with 4WD and PTO, this complete transmission package gives you the strength and reliability you need for towing, hauling, or performance applications. The heart of this kit is the ATS-built Allison LCT1000 transmission, engineered to handle more power and stress than stock. It comes fully assembled and ready to install, saving you the time and hassle of piecing together parts or worrying about compatibility.

Includes Everything You Need for a Stronger Drivetrain

ATS doesn’t just stop at the transmission. This package also includes their proven Five Star torque converter, designed to deliver improved torque transfer and better low-end performance. You also get the ATS deep transmission pan for added fluid capacity, helping keep temperatures in check under load. Rounding out the kit is the ATS Co-Pilot transmission controller, which gives you greater control over shift timing and line pressure for a smoother, more responsive driving experience. Whether you’re pulling heavy equipment or building a more capable daily driver, this Stage 2 transmission package has everything you need to keep your truck performing at its best. Keep in mind, a $500 shipping surcharge applies at checkout, but the peace of mind this upgrade delivers is worth every penny.

Fits: 2006, 2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ PTO 4WD

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2006-2007
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax LBZ/6.6L Duramax LMM

Document Downloads

Forms & Guides

CUSTOMER REVIEWS

What Buyers Say

Call a Diesel Expert, we'll find the right fit for your build

Not sure this part is right for your truck? Our team knows these platforms inside out. No hold music, no scripts.

Chat with Us