Garrett PowerMax Stage 1 65mm Duramax Turbo Brand New, 2004.5-2010 LLY-LBZ-LMM (No Core Charge)

Part# 773540-5001S

$1,994.57 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Garrett PowerMax Stage 1 Turbo Brand New, NO CORE CHARGE

Fits 2004.5-2010 Chevy/GMC 2500/3500 HD

Part# GARRETT-540

*Not legal for sale or use in the state of California or use in pollution controlled vehicles

Race Applications Only*

*This product is ONLY designed for closed course racing where it is legal to do so. Any other use will be in violation of local, state, and federal laws. We are not responsible for unlawful use of this product.*

This is a Brand New Garrett Turbocharger, no core charge needed!

If you're looking for a replacement turbo for your LLY, LBZ, or LMM, but want a little more oomph than the stock turbo offers, the PowerMax Stage 1 will suit your needs. This is a complete drop-in performance turbocharger built by the professionals at Garrett which provides extra flow, efficiency and durability, delivering the boost you need. With a 65mm compressor wheel, this turbo will outflow the stock turbo and have a noticeable whistle. This upgraded turbo is capable of up to 590 HP at the flywheel. If you are looking for more power, but still use your truck to tow or haul heavy loads this turbo will give you more power without sacrificing drivability.


  • Advanced GT-series wheel designs that ensure top performance, lower back pressure and reduced intake and exhaust gas temperatures
  • Featuring the Garrett patented Advanced Variable Nozzle Turbine (AVNT) design for increased compressor flow and turbine flow
  • Utilizes nine movable vanes which significantly increase turbine efficiency and improve engine performance from idle launch through peak torque
  • Patented integral electro-hydraulic actuation and proportional solenoid for infinitely variable control
  • Provides up to an estimated 590HP with no sacrifice to drivability
  • Suitable as a performance upgrade or replacement for original equipment, no sacrifice in drivability
  • Outline interchangeable with the OEM turbo for a perfect fit each and every time
  Compressor Turbine
Chevy / GMC Duramax Upgrade   HP Inducer Exducer Trim A/R Inducer Exducer Trim A/R
Duramax 6.6L 2004.5-2010 Stage 1   590 65mm 94mm 48 0.58 73mm 67mm 78 0.90


  • Garrett® patented AVNT GT3794VA Turbocharger
  • Vane Postilion Sensor Included (LLY Trucks may require you to re-use sensor adapter from old turbo)
  • Adapter Cable
  • Installation Instructions


  • Turbo Install Kit