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Ryan's Diesel Service
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2003 GMC Sierra 2500HD LB7 Duramax Turbochargers

  • Year
  • 2003

  • Make
  • GMC

  • Model
  • Sierra 2500HD

  • Engine
  • LB7 Duramax

  • Size

Harness the full potential of your 2003 GMC Sierra 2500HD (LB7 Duramax 6.6L) truck with Ryan's Diesel Service's high-quality turbochargers. At RDS, our state-of-the-art turbos are specifically designed to enhance your vehicle's power and performance, promoting fuel economy and reducing engine wear. With precision engineering and high-grade materials, our turbochargers offer superior durability and reliability, ensuring that your investment delivers long-term value. Trust in RDS for a turbo solution that effortlessly combines efficiency, performance, and longevity.

View Turbo Options

Our Turbos

  • LB7 64mm drop in turbo LB7

    LB7 RDS 01-04 Duramax Prostock Turbocharger Brand New

    $1,550.00

    -

    Add to cart Add to cart Select options This product has multiple variants. The options may be chosen on the product page
  • LB7 64mm drop in turbo LB7
    Rated 5.00 out of 5

    LB7 RDS 64mm 01-04 Duramax Turbocharger Brand New

    $1,650.00

    -

    Add to cart Add to cart Select options This product has multiple variants. The options may be chosen on the product page
  • Rated 5.00 out of 5

    LB7 RDS 64mm 01-04 Duramax Supercore Turbocharger Brand New

    $875.00

    -

    Add to cart Add to cart Select options This product has multiple variants. The options may be chosen on the product page
  • LB7 68mm Turbo
    Rated 5 out of 5

    LB7 RDS 68mm 01-04 Duramax Turbocharger Brand New

    $1,950.00

    -

    Add to cart Add to cart Select options This product has multiple variants. The options may be chosen on the product page

Why Choose Us?

High End Diesel Products Is Our Specialty

Ryan’s Diesel Service is no stranger when it comes to the manufacturing of high-end diesel products.

Learn more about us HERE

Warranties on Our Turbos

Outlined on product pages and HERE

All Turbos Are Manufactured in House

We believe all products should be manufactured in-house to maintain high levels of quality control.

Our Customers Love Us

Over 100 Reviews on google with a 4.8 star rating. View HERE

High End Machining

We currently have a HAAS VF4 5-axis machining center which runs a fair majority of our products. We also have a HAAS TL-1 lathe.

Turbo balancing is all done in-house on either our West Coast Balancer WCB30 or CWT industries balancer.

At Ryan’s Diesel Service, we specialize in crafting high-quality diesel turbos that are built to perform and last. Every turbo we manufacture is produced in-house to ensure top-tier quality control, using advanced equipment like our HAAS VF4 5-axis machining center and turbo balancing machines. This meticulous process guarantees the reliability and precision you need for your vehicle.

We stand behind our products, offering warranties detailed in our product descriptions and on our warranties page. When you choose an RDS turbo, you’re getting a product that has been designed, tested, and balanced with the utmost care to deliver optimal performance.

About Ryan’s Diesel

RDS Turbos for 2003 GMC Sierra 2500HD LB7 Duramax

Boost Your Truck's Performance with a Turbocharger

Upgrading your 2003 GMC Sierra 2500HD (LB7 Duramax 6.6L) with a turbocharger from Ryan's Diesel Service is a smart choice for any truck owner who wants to enhance their vehicle's performance. Turbochargers, also known as turbos, increase your engine's efficiency by forcing more air into the combustion chamber, resulting in more horsepower and torque. The result is a truck that has more pulling power and acceleration, making it easier to handle heavy loads and steep hills.

Experience the Durability of High-Quality Turbochargers

At Ryan's Diesel Service, we understand that you need a turbocharger that can handle the demands of your 2003 GMC Sierra 2500HD (LB7 Duramax 6.6L). That's why our turbochargers are built to last. They are designed to withstand high temperatures and pressures, ensuring that they don't fail when you need them the most. With our turbos, you can expect longevity and reliability, reducing the need for frequent replacements.

Improve Your Truck's Fuel Efficiency

By installing a turbocharger on your 2003 GMC Sierra 2500HD (LB7 Duramax 6.6L), you can also improve your truck's fuel efficiency. Turbochargers allow your engine to burn fuel more efficiently, which can lead to significant fuel savings over time. This not only makes your truck more economical to run, but also reduces its environmental impact.

Easy Installation and Maintenance

Our turbochargers for the 2003 GMC Sierra 2500HD (LB7 Duramax 6.6L) are designed for easy installation and maintenance. We provide detailed instructions and necessary hardware to ensure a hassle-free installation process. Additionally, our turbochargers require minimal maintenance, making them an ideal choice for busy truck owners.

Get the Best Value for Your Money

At Ryan's Diesel Service, we believe in providing the best value for your money. That's why our turbochargers are reasonably priced without compromising on quality or performance. Plus, with the added benefits of enhanced performance, increased durability, and improved fuel efficiency, our turbochargers are a worthwhile investment for your 2003 GMC Sierra 2500HD (LB7 Duramax 6.6L).

More Products

TCMs

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Drop-In Turbos

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Air Intakes

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S400 Turbochargers

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Lift Pumps

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Transmission

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Shop By Category

  • Shop All
  • Drop in Turbos
    • Cab & Chassis Turbocharger
    • Dodge Cummins
      • 94-02 5.9L
      • 03-07 5.9L
      • 07.5-18 6.7L
      • 19-24 6.7L
    • Ford Powerstroke
      • 99.5-03 7.3L
      • 03-07 6.0L
      • 11-14 6.7L
      • 15-19 6.7L
      • 20-22 6.7L
      • 23-25 6.7L
    • Chevy/GMC Duramax
      • 01-04 LB7
      • 04.5-05 LLY
      • 06-07 LBZ
      • 07.5-10 LMM
      • 11-16 LML
      • 17-23 L5P
  • Air Intake
  • Exhaust Components
  • Lift Pump
  • Transmission
  • S400 Turbocharger
  • Fuel Systems
    • 01-04 LB7
    • 04.5-05 LLY
    • 06-07 LBZ
    • 07.5-10 LMM
    • 11-16 LML
Ryan's Diesel Service

W356S8950 Godfrey Lane
Eagle, WI 53119

Call us at 262-844-9990

sales@ryansdieselservice.com

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