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USD 2264.9
Part #: GA739619-5004S

Garrett 739619-5004S PowerMax GTP38R Ball Bearing Turbocharger

1999.5-2003 Ford 7.3L Powerstroke
Part #: GA739619-5004S
★★★★★ ★★★★★ 19 Reviews
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The Garrett 739619-5004S PowerMax GTP38R Turbocharger is a must-have for any 1999.5-2003 7.3L Powerstroke owner that wants to get more out of their truck. Built with the Garrett exclusive Ball Bearing Cartridge, the GTP38R provides unbeatable response, efficiency, and durability, especially at elevated boost levels. As a drop-in replacement, this turbocharger mounts to the factory pedestal and retains the use of OE intake and exhaust systems. 

The GTP38R PowerMax features an 88mm compressor wheel that provides 35% more flow than your stock turbo. Also included is a ported shroud housing that improves compressor flow range and surge control. The included 1.00 A/R housing allows for free-flowing exhaust with reduced back pressure and can even reduce exhaust gas temperatures up to 200 degrees. 

While this turbocharger is suitable as a replacement for factory equipment, it is recommended that additional fueling upgrades such as aftermarket tuning or injectors are installed or already in use. Includes turbo, 4 inlet hose, band clamp, oil inlet O-ring, oil outlet O-ring, & installation instructions. Fits F-250/350 & Excursion.

  • 88mm Comp. Wheel 
  • Drop-In Replacement
  • 1.00 A/R Turbine Housing 
  • Max Recommended Boost: 40 PSI
  • 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.
Shipping Restrictions Apply shipping restriction icon This product can not be shipped to these states: CA

Vehicle Applications

1999 Ford 7.3L Powerstroke
2000 Ford 7.3L Powerstroke
2001 Ford 7.3L Powerstroke
2002 Ford 7.3L Powerstroke
2003 Ford 7.3L Powerstroke


  • MFG. Number 739619-0004S
  • Manufacturer Name Garrett
  • Shipping Weight 30.00 lb.
  • Shipping Length 14 in.
  • Shipping Width 14 in.
  • Shipping Height 14 in.
  • Fuel Type Diesel
  • E-Code 3
  • Warranty Yes
  • Warranty Info 1 Year
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L0.00R48.00


★★★★★ ★★★★★
5.0/5 Stars out of 19 Reviews
I’ve had 7, 7.3 power stroke’s over the years. I just purchased a used 7.3 and the previous owner had installed this turbo. Wow! I did not know what I was missing. This thing scoots! Immediate throttle response, lots of power.
I love it! It’s got a little whistle that I find enjoyable. I recommend this highly. Quick Throttle response, it doesn’t run out of breath over 3100 RPMs, I can’t say enough about how powerful this makes my truck.
Verified Buyer
Love this thing 1368955
It jumps up to 20 psi with ease it is really good for towing I love it
Love this thing
It was easy to put in and it really was just a drop in turbo for my 2002 7.3 powerstroke it jumps right up to 20 psi with ease
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Questions and Answers

What would be the HP and TQ gain on a stock truck? 2003 7.3L Excursion
View Staff Answer 

The GTP38R has proven itself over and over in everything from stock to highly modified engines. Keep in mind that installing a performance turbo on a stock truck will certainly offer gains, but not nearly the gains you’d see on a truck with supporting modification like programming, exhaust and intake.(You’re looking for the best fuel/ air ratio and increasing your air without the fuel will only offer you so much power.)

Will tubro work without the inlet hose?
View Staff Answer 

The turbo includes a 4” inlet hose because your factory inlet hose will not work with the turbo.

Will this turbo fit on a '96 Power Stroke?
View Staff Answer 

The Garrett 739619-5004S PowerMax GTP38R Ball Bearing Turbocharger will only fit the 1999.5-2003 Ford 7.3L Powerstroke trucks.

Do you sell a replacement center cartridge for this unit?
View Staff Answer 

No, we do not offer a center cartridge for this charger.

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