Garrett PowerMax GT3788V Turbo Kit — Fits 2011-2016 Chevrolet GMC 6.6L Duramax LML

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SKU: GRT886976-5004S
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About Garrett Garrett Advancing Motion is the OE turbocharger supplier ...Read More

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Sale price$3,069.81 Regular price$3,654.53
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Garrett

Garrett Advancing Motion is the OE turbocharger supplier to Porsche, BMW, Mercedes-Benz, GM, and Ford — and the choice of NASCAR, IndyCar, and Formula DRIFT. Every Garrett turbo features dual ball-bearing CHRA technology and motorsport-derived compressor wheels.

Watch in action

Superior Performance for Duramax LML

The Garrett PowerMax GT3788V Turbo Kit is the ultimate performance upgrade for 2011-2016 Chevrolet and GMC 2500HD/3500HD trucks equipped with the 6.6L Duramax LML diesel engine. Designed to offer a significant improvement over the stock turbocharger, this kit provides increased airflow and improved boost pressure, making it ideal for towing, hauling, and daily driving.

Why Choose the GT3788V?

  • Specifically designed for the 6.6L Duramax LML platform
  • VNT technology for optimized exhaust braking and spool
  • Significant increase in horsepower and torque output
  • Direct fitment for a hassle-free installation
  • Enhanced durability for heavy-duty applications

This turbo kit utilizes Garrett’s advanced variable nozzle turbine technology to ensure smooth power delivery across the entire RPM range. Whether you are looking to improve your truck's towing capabilities or simply want more power on the road, the GT3788V delivers consistent and reliable performance. Built to withstand the rigors of diesel operation, this turbocharger is a must-have for any serious Duramax owner looking to push their vehicle further. Find the best performance parts for your truck at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Garrett

Garrett Advancing Motion is the OE turbocharger supplier to Porsche, BMW, Mercedes-Benz, GM, and Ford — and the choice of NASCAR, IndyCar, and Formula DRIFT. Every Garrett turbo features dual ball-bearing CHRA technology and motorsport-derived compressor wheels.

Watch in action

Superior Performance for Duramax LML

The Garrett PowerMax GT3788V Turbo Kit is the ultimate performance upgrade for 2011-2016 Chevrolet and GMC 2500HD/3500HD trucks equipped with the 6.6L Duramax LML diesel engine. Designed to offer a significant improvement over the stock turbocharger, this kit provides increased airflow and improved boost pressure, making it ideal for towing, hauling, and daily driving.

Why Choose the GT3788V?

  • Specifically designed for the 6.6L Duramax LML platform
  • VNT technology for optimized exhaust braking and spool
  • Significant increase in horsepower and torque output
  • Direct fitment for a hassle-free installation
  • Enhanced durability for heavy-duty applications

This turbo kit utilizes Garrett’s advanced variable nozzle turbine technology to ensure smooth power delivery across the entire RPM range. Whether you are looking to improve your truck's towing capabilities or simply want more power on the road, the GT3788V delivers consistent and reliable performance. Built to withstand the rigors of diesel operation, this turbocharger is a must-have for any serious Duramax owner looking to push their vehicle further. Find the best performance parts for your truck at GGCRACING.

Product Details

Product Description

About Garrett

Garrett Advancing Motion is the OE turbocharger supplier to Porsche, BMW, Mercedes-Benz, GM, and Ford — and the choice of NASCAR, IndyCar, and Formula DRIFT. Every Garrett turbo features dual ball-bearing CHRA technology and motorsport-derived compressor wheels.

Watch in action

Superior Performance for Duramax LML

The Garrett PowerMax GT3788V Turbo Kit is the ultimate performance upgrade for 2011-2016 Chevrolet and GMC 2500HD/3500HD trucks equipped with the 6.6L Duramax LML diesel engine. Designed to offer a significant improvement over the stock turbocharger, this kit provides increased airflow and improved boost pressure, making it ideal for towing, hauling, and daily driving.

Why Choose the GT3788V?

  • Specifically designed for the 6.6L Duramax LML platform
  • VNT technology for optimized exhaust braking and spool
  • Significant increase in horsepower and torque output
  • Direct fitment for a hassle-free installation
  • Enhanced durability for heavy-duty applications

This turbo kit utilizes Garrett’s advanced variable nozzle turbine technology to ensure smooth power delivery across the entire RPM range. Whether you are looking to improve your truck's towing capabilities or simply want more power on the road, the GT3788V delivers consistent and reliable performance. Built to withstand the rigors of diesel operation, this turbocharger is a must-have for any serious Duramax owner looking to push their vehicle further. Find the best performance parts for your truck at GGCRACING.

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