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USD 1477.34
Part #: GA772441-5002S

Garrett 772441-5002S PowerMax GT3788VA Turbocharger

2004.5-2007 Ford 6.0L Powerstroke
Part #: GA772441-5002S
★★★★★ ★★★★★ 9 Reviews
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The Garrett 772441-5002S GT3788VA Turbocharger is a must have for any 04.5-07 6.0L Powerstroke owner that wants to get more out of their truck. Featuring the Garrett patented Advanced Variable Nozzle Turbine (AVNT) design for increased compressor flow and boost response. This turbocharger also utilizes nine movable vanes which significantly increase turbine efficiency and improves engine performance from idle launch through peak torque. 

Designed as a drop-in upgrade, the GT3788VA retains use of factory components such as engine electronics, mounting pedestal and requires no additional modifications to your factory exhaust system. Utilizing a larger compressor wheel the GT3788VA turbocharger will increase your maximum power range while supporting up to an additional 175HP.

While this turbocharger is suitable as a replacement for factory equipment, it is highly recommended that additional fueling upgrades such as aftermarket tuning are installed or already in use. Turbocharger comes with cast finish housing and will require Turbo Bolt / O-Ring Kit for installation.

  • Drop-In Replacement
  • Retains Factory Electronics
  • Supports An Additional 175HP
  • Requires Turbo Bolt / O-Ring Kit (See Below)
  • 1 Year Warranty
*To ensure accuracy on 2004 models it is recommended that you check your build date. Any truck built prior to 9/29/03 will require a 2003 turbo.
Note from Garrett regarding shaft play: 
When the Powermax turbo is new, or has not operated for a long period of time allowing most of the oil to drain out, the rotating assembly will move more in the radial direction because there is no oil in the center housing. This condition is normal. As long as the shaft wheel spins freely and the wheels don't contact their respective housings, the assembly will function properly.


  • MFG. Number 772441-5002S
  • Manufacturer Name Garrett
  • Shipping Weight 40.00 lb.
  • Shipping Length 14 in.
  • Shipping Width 14 in.
  • Shipping Height 14 in.
  • Fuel Type Diesel
  • Warranty Yes
  • Warranty Info 1 Year
  • Prop 65 WARNING: Cancer & Reproductive Harm -


★★★★★ ★★★★★
4.6/5 Stars out of 9 Reviews
garrett powermaxx
(anchorage, ak) | February 11th, 2012
easy install, nearly direct fit, slighty larger though. comes with all the seals needed and new bolts so you dont need the install kit. a little sluggish at first but spools up real truck is straight pipped so it has a wicked whistle to it. and my fuel mileage went up 3mpg city and i havent been on the highway yet. i also noticed that at low speeds in town the boost gauge barely moves, i guess the engine is getting a higher volume with a lower psi. i love it!!!
(Texarkana, TX) | February 27th, 2012
Easy install, direct fit,spools up quick.It has a wicked whistle to it when my programmer isn't plugged in but when the programmer is plugged in the whistle is only under a fuel mileage went up 3mpg in the city and I havent been on a long highway trip yet, but on the short highway trips I have improved fuel mileage of 6mpg at 70MPH.
(Lewisville, TX) | September 30th, 2012
Bought Turbo for performance increase and my mechanic says in order to make it work correctly, I will need to get an aftermarket programmer as well.
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Most Popular Questions

Warranty Info I didn't see any mention of a warranty and I was wondering if there is any on the Garrett 772441-5001S PowerMax GT3788VA Turbocharger
View Staff Answer 
Garrett offers a 1 year / 100,000 miles warranty
Is this remanufactured?
View Staff Answer 
The Garrett 772441-5001S PowerMax GT3788VA Turbocharger is a brand new turbo with a 1 year/100,000 mile warranty.
Legal in California?
View Staff Answer 
Designed as a “drop-in upgrade”, the GT3788VA retains use of factory components, but the item does not offer a California Air Resources Board (CARB) EO number. (If the part or modification is shown to not increase vehicle emissions, it is granted an exemption to emission control system anti-tampering laws.)

*For more information about add-on and modified parts, or aftermarket catalytic converters, please contact the California Air Resources Board Public Information Helpline at (800) 242-4450
Is this a stage 1 or 2? What is the difference between the two?
View Staff Answer 

Garrett doesn't offer a “Stage 2” turbo for the 6.0L Power Stroke, only the PowerMax Turbocharger (Item# GA772441-5001S for the 04.5-07 and Item# GA777469-5001S for the 03-04). The other Garrett turbo we have on the website is a stock original equipment quality replacement.

The PowerMax is designed as a “drop-in upgrade”. The turbo retains use of factory components such as engine electronics, mounting pedestal and requires no additional modifications to your factory exhaust system. Utilizing a larger compressor wheel the GT3788VA turbocharger will increase your maximum power range while supporting up to an additional 175HP.

XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.
Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.