Turbo Charger For 2004-2010 Garrett GT3788VA Update 6.6L LLY LBZ LLM Duramax

Turbo Charger for 2004-2010 Garrett GT3788VA Update 6.6L LLY LBZ LLM Duramax

This turbo charger is a Garrett GT3788VA update replacement for the 6.6L Duramax diesel in 2004 to 2010 GM trucks, designed to replace the factory variable vane unit and restore boost response.

Overview

This turbo charger fits 2004 to 2010 GM trucks running the 6.6L Duramax diesel, including the LLY, LBZ, and LLM engine codes. It follows the Garrett GT3788VA update design, replacing the original variable vane turbo charger to restore quick spool and steady boost. It suits owners of Silverado and Sierra HD trucks doing a direct swap after turbo failure or wear.

Built For Performance

• Garrett GT3788VA update style turbo charger for the 6.6L Duramax
• Variable vane design for fast spool and controlled boost across the rpm range
• Housing and flange layout built to match factory mounting points
• Balanced rotating assembly for smooth operation and reduced vibration
• Seals rated for the heat and pressure of the Duramax diesel platform
• Designed to work with factory oil feed and drain connections

Fits These Machines

• for GM 6.6L Duramax LLY 2004-2005
• for GM 6.6L Duramax LBZ 2006-2007
• for GM 6.6L Duramax LLM 2007-2010
• for Chevrolet Silverado HD 2004-2010 6.6L Duramax
• for GMC Sierra HD 2004-2010 6.6L Duramax

On-The-Job Use

• Replacing a failed or worn variable vane turbo charger on a Duramax diesel
• Restoring boost and throttle response on a high-mileage Silverado or Sierra HD
• Servicing the turbo during major engine repair or rebuild work
• Getting a tow rig back to reliable boost for hauling and towing

Specs At A Glance

Good To Know

Q: What does the GT3788VA update mean? A: It refers to the later Garrett variable vane turbo design used as a replacement for the original unit on the 6.6L Duramax. It is built to match factory mounting and boost control.

Q: Will this fit my LLY, LBZ, or LLM Duramax? A: It is listed for 2004 to 2010 6.6L Duramax trucks across those engine codes. Confirm your engine code and model year before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.