

Specifications
- Brand
- ATS Diesel
- Part #
- 3039004272
- UPC
- 3039004272

ATS Diesel 2003-05 GM LCT1000 Performance Valve Body Assembly
$920.26
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ATS Diesel 2003-05 GM LCT1000 Performance Valve Body Assembly for your 2001-2005 Chevrolet Silverado 2500 HD.
Key Features
- Direct fit — verified for 2001-2005 Chevrolet Silverado 2500 HD, 2001-2005 Chevrolet Silverado 3500, 2001-2005 GMC Sierra 2500 HD, 2001-2005 GMC Sierra 3500, and 2006 Hummer H1.
- Improved shift feel — provides firmer and quicker gear changes.
- Handles more power — designed to work with upgraded transmissions.
- Updated hydraulics — recalibrated for better performance.
- ATS Diesel quality — built by a well-known name in diesel performance.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Already running a built transmission? This ATS Diesel LCT1000 Performance Valve Body Assembly is the next piece to handle more power. It's built for the 2001-2005 Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD, and also fits the 3500 models and the 2006 Hummer H1. This unit changes how the transmission shifts, making it firmer and quicker to respond under load.
ATS Diesel builds this valve body to improve the transmission's performance. It uses updated internal components and recalibrated hydraulics to get better shifts. This helps put the power down more effectively, especially when towing or hauling heavy loads.
Specifications
- Brand
- ATS Diesel
- Manufacturer Part #
- 3039004272
- UPC
- 3039004272
Frequently Asked Questions
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ATS Diesel 2003-05 GM LCT1000 Performance Valve Body Assembly




