Garrett PowerMax Stage 1 Turbocharger | 2003–2007 Ford Power Stroke 6.0L | GT3788VA | SKU: 772441-5002S

The Garrett PowerMax™ Stage 1 Turbocharger is a high-performance, direct-fit upgrade for the 6.0L Ford Power Stroke diesel engine. Engineered to enhance engine performance while maintaining OEM fitment, this turbocharger delivers improved compressor flow, quicker spool times, and increased overall efficiency—ideal for tuned vehicles seeking dependable power gains.

With proper calibration and tuning, this system significantly outperforms the factory turbocharger, offering smoother power delivery and extended turbo longevity.

Not CARB legal. For off-road and racing use only.

Key Features:

• Advanced GT3788VA variable geometry turbocharger

• Garrett-patented AVNT™ (Advanced Variable Nozzle Turbine) design

• Nine movable vanes for improved turbine efficiency and boost response

• Electro-hydraulic actuation with proportional solenoid for precise control

• Larger compressor wheel than stock for expanded power range

• Lower turbo speeds for same output = enhanced durability

• Outline interchangeable for seamless OEM replacement

• Integrated speed sensor port (sensor sold separately)

• Maximum turbo speed: 134,000 RPM

Vehicle Fitment:
Compatible with the following 6.0L Power Stroke models:

• For 2003 Ford F-Series (F-250, F-350) & Excursion see Part Number: 777469-5002S

• 2004–2007 Ford F-250 & F-350 Super Duty

• 2004–2005 Ford Excursion

Engine Compatibility:

• Engine: 6.0L Power Stroke Diesel

• Fuel: Diesel

• Cylinders: V8

• Recommended Max Boost: Consult tuning and setup

• Max Turbo Speed: 134,000 RPM

Includes:

• 1 × Garrett PowerMax GT3788VA Turbocharger (Part Number: 777469-5002S)

• Direct-fit hardware for OEM-style installation

*Performance results vary based on vehicle modifications and tuning. Horsepower figures are derived from compressor map choke flow (total turbo capability).