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1946.37
Part #: GA773540-5001S
Garrett 773540-5001S PowerMax GT3794VA Stage 1 AVNT Turbocharger
2004.5-2010 GM 6.6L Duramax (500HP)
★★★★★
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Description
The Garrett 773540-5001S PowerMax GT3794VA Stage 1 Turbocharger is a must have for any 04.5-10 GM 6.6L Duramax LLY/LBZ/LMM Duramax owner thats looking to get more out of their truck. Featuring the Garrett patented Advanced Variable Nozzle Turbine (AVNT) design for increased compressor flow and boost response. The GT3794VA 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 GT3794VA 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 GT3794VA turbocharger will increase your maximum power range while supporting up to 500HP with no sacrifice to drivability.
While this turbocharger is suitable as a replacement for factory equipment, its recommended that additional fueling upgrades such as aftermarket/custom tuning are installed or already in use. Includes turbocharger, adapter cable and installation instructions.
Designed as a drop-in upgrade, the GT3794VA 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 GT3794VA turbocharger will increase your maximum power range while supporting up to 500HP with no sacrifice to drivability.
While this turbocharger is suitable as a replacement for factory equipment, its recommended that additional fueling upgrades such as aftermarket/custom tuning are installed or already in use. Includes turbocharger, adapter cable and installation instructions.
Note: Gaskets not included.
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.
Features:
- Drop-In Replacement
- Supports Up To 500HP
- Retains Factory Electronics
- 1 Year Warranty
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.
Not available for sale in the state of California 
Click here to read Emissions Notice.
Click here to read Emissions Notice.
Specifications
- MFG. Number 773540-5001S
- 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 - P65Warnings.ca.gov
Reviews
★★★★★
5.0/5 Stars out of 4 Reviews
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Anonymous | March 1st, 2019
I installed this myself on my 07 LBZ. Installation was straightforward and turbo went in nicely. Turbo was received very well packed and there is no way it could have been damaged during shipment. Manufacture and XDP did an excellent job getting the product to me safely. The only other thing I will add is that the turbo does not come with the oil drain pipe seals (upper & lower). It also does not come with the oil/coolant seals either. I had to go to two different Chevy dealerships to get all 5 seals. Great turbo and I will be a returning customer to XDP and would buy this product again. Invoice number 1506699
luke (germantown ohio) | February 21st, 2012
I Installed This Charger On a customers truck who wanted the whistle this charger for sure does that it will whistle like a fleece charger but is cheaper. if your looking for a little better responce and that amazing whistle this is the charger for you. would reccomend it to any street truck
chris (Illinois) | March 8th, 2015
My fuel economy went up 2 Mikes per gallon with just turbo then added ppe econo tune and got 2-3 more mpg. The turbo whistle is great as well. I would recommend this turbo to anyone who is looking for the next step in turbos.
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Questions and Answers
Does this turbo require any motor work?
View Staff Answer
Answer
While this turbocharger is suitable as a replacement for factory equipment, it’s recommended that additional fueling upgrades such as aftermarket/custom tuning are installed or already in use. Please contact one of our Diesel Experts with further questions. Experts are available via E-mail (), Phone (1-888-343-7354) or LiveChat (Found on the bottom right hand corner of our website). This allows XDP to offer you a more personalized response to your question as well as an open channel for further questions and conversation.
While this turbocharger is suitable as a replacement for factory equipment, it’s recommended that additional fueling upgrades such as aftermarket/custom tuning are installed or already in use. Please contact one of our Diesel Experts with further questions. Experts are available via E-mail (), Phone (1-888-343-7354) or LiveChat (Found on the bottom right hand corner of our website). This allows XDP to offer you a more personalized response to your question as well as an open channel for further questions and conversation.
Is there a Core Charge?
View Staff Answer
Answer
No, there is no core charge for this turbo
No, there is no core charge for this turbo
Do I need to have the motor reflash after installing this turbo?
View Staff Answer
Answer
While the GARRETT 773540-5001S POWERMAX GT3794VA STAGE 1 AVNT TURBOCHARGER is suitable as a replacement for factory equipment, it is recommended that additional fueling upgrades such as a programmer or custom tuning be employed when running this turbocharger.
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