string(5) "13497"

1999.5 – 2003 7.3L Ford Power Stroke


Powermax Turbo Upgrade for Ford Power Stroke
1995.5 – 2007 7.3L Power Stroke (F-250 | F-350 | Excursion)
SEMA Certified – Emissions Compliance SC-GRT01-0005

Part Number: 739619-5004s (590HP*)

The GTP38R turbocharger contains an exclusive ball bearing cartridge for unbeatable response, efficiency, and durability. Elimination of thrust bearing eliminates Failures at elevated boost levels. The 88mm GT compressor wheel provides 33% more flow than the stock 80mm wheel. A ported control, the Kit includes a 1.00 A/R turbine housing for free reduction in exhaust with reduced back pressure and up to 200℉ reduction in exhaust gas temperature. Maximum recommended boost level is 40psi.

This turbocharger is SEMA Certified – Emissions Compliant (SC-GRT01-0005)
Click for more details on SEMA Certified Emissions

Click To View The Certificate



“Garrett Performance Kits are professional aftermarket products only designed for certain racing vehicles driven on particular racing tracks and shall only be used on racing vehicles that will never be driven on public roads or highways. Garrett Performance Kits are not legal for the use in vehicles on public roads or other roads to which public road law applies. Any vehicle modifications using Garrett Performance Kits are AT YOUR OWN RESPONSIBILITY and AT YOUR OWN RISK. Only use Garrett Performance Kits in compliance with all applicable laws, regulations, and ordinances (including but not limited to emission, noise, operating license, performance, safety, and type-approval aspects). A vehicle modification using Garrett Performance Kits may particularly affect or void a vehicle’s warranty, operating license or type-approval. Moreover, only use Garrett Performance Kits in compliance with all applicable racing and racing track provisions. It is YOUR OWN RESPONSIBILITY AND RISK to ensure that your Garrett Performance Kit fits your vehicle and area of application. YOU MUST ENSURE LAWFUL AND SAFE OPERATIONS AT ANY TIME. You should particularly consult the owner’s manual and service manual of your vehicle. You should also contact your vehicle’s manufacturer to determine what effects modifications may have on important aspects such as safety, warranty, performance, etc. Only install and use Garrett Performance Kits if you have fully read and understood this important safety information and if you fully agree with the terms and conditions set forth therein.”

1999.5 – 2003 7.3L Ford Power Stroke

Compressor Map & Exhaust Flow Chart

Compressor Map

1999.5 – 2003 7.3L Ford Power Stroke

Performance Comparison Sheet


Compressor Turbine
Ford Power Stroke Upgrade Turbo PN HP* Inducer Exducer Trim A/R Inducer Exducer Trim A/R
Power Stroke 7.3L 1995.2003 739619-5004s 590 66mm 88mm 56 1.00 76mm 68mm 79 1.00

1999.5 – 2003 7.3L Ford Power Stroke

Download Section

Choose your path

Follow the journey of your preference, for more relevant information

I’m a vehicle owner

who needs to replace the turbo. Find a partner distributor in your area

I’m a performance enthusiast

Discover stunning engine tuning products

I’m an oem representative

Request information for your needs

I’m a distributor/garage

Start gaining recognition as a Garrett Turbo Installer

I’m interested in Garrett - Advancing Motion

Find out more information about our culture

Stay in touch