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Ryan's Diesel Service
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2005 GMC Sierra 2500HD LLY Duramax Turbochargers

  • Year
  • 2005

  • Make
  • GMC

  • Model
  • Sierra 2500HD

  • Engine
  • LLY Duramax

  • Size

At Ryan's Diesel Service, we understand the importance of superior performance for your 2005 GMC Sierra 2500HD (LLY Duramax 6.6L) truck. Our turbochargers are designed to enhance your vehicle's power delivery, fuel efficiency, and overall drivability. Engineered to perfection, our turbos offer improved airflow, reduced turbo lag, and ensure a smoother, more responsive throttle. Invest in an RDS turbocharger and experience sustained performance, greater power, and longevity for your vehicle. With our innovative solutions, you can trust your engine's potential is being maximized for an unrivaled driving experience.

View Turbo Options

Our Turbos

  • Duramax Turbo Pro Stock
    Rated 5.00 out of 5

    LLY LBZ LMM 04.5-10 Duramax Turbocharger Pro Stock Brand New

    $1,850.00
    Estimated delivery: Oct 13, 2026 – Oct 19, 2026Cutoff passed — ships next business day

    -

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

    LLY LBZ LMM 04.5-10 RDS 64mm Duramax Turbocharger Brand New

    $2,250.00
    Estimated delivery: Oct 13, 2026 – Oct 19, 2026Cutoff passed — ships next business day

    -

    Add to cart Add to cart Select options This product has multiple variants. The options may be chosen on the product page
  • LLY LBZ LMM 66mm
    Rated 5.00 out of 5

    LLY LBZ LMM 04.5-10 RDS 66mm Duramax Turbocharger Brand New

    $2,350.00
    Estimated delivery: Oct 13, 2026 – Oct 19, 2026Cutoff passed — ships next business day

    -

    Add to cart Add to cart Select options This product has multiple variants. The options may be chosen on the product page
  • LBZ 68mm turbo
    Rated 5.00 out of 5

    LLY LBZ LMM 04.5-10 RDS 68mm Duramax Turbocharger Brand New

    $2,350.00
    Estimated delivery: Oct 13, 2026 – Oct 19, 2026Cutoff passed — ships next business day

    -

    Add to cart Add to cart Select options This product has multiple variants. The options may be chosen on the product page
  • LML Duramax 72mm Turbo

    LLY LBZ LMM 04.5-10 RDS 72mm Duramax Turbocharger Brand New

    $2,450.00
    Estimated delivery: Oct 13, 2026 – Oct 19, 2026Cutoff passed — ships next business day

    -

    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 2005 GMC Sierra 2500HD LLY Duramax

Boost Your Truck's Performance with a Turbocharger

When it's time to enhance the power and performance of your 2005 GMC Sierra 2500HD (LLY Duramax 6.6L), look no further than Ryan's Diesel Service. We offer top-quality turbochargers specifically designed for your GMC truck. These turbochargers not only increase your vehicle's horsepower, but also its overall performance, giving you the power you need when you need it most.

Experience Unmatched Durability

At Ryan's Diesel Service, we understand how important durability is when investing in a turbocharger. That's why our turbochargers for the 2005 GMC Sierra 2500HD (LLY Duramax 6.6L) are built to last. Constructed from premium materials, they're designed to withstand tough conditions and heavy usage, providing a long-lasting solution for your truck's needs.

Efficiency Is Key

Fuel efficiency is a crucial factor for any truck owner. Our turbochargers are engineered to enhance the fuel efficiency of your 2005 GMC Sierra 2500HD (LLY Duramax 6.6L). By allowing the engine to burn fuel more efficiently, these turbochargers not only increase power but also help you save at the pump.

Easy Installation Process

We believe in making the turbocharger installation process as seamless as possible. Our turbochargers for the 2005 GMC Sierra 2500HD (LLY Duramax 6.6L) are designed for easy installation, so you can get back on the road sooner. Plus, our team is always here to guide you through the process if you need assistance.

Invest in Quality

At Ryan's Diesel Service, we stand behind the quality of our products. When you purchase a turbocharger for your 2005 GMC Sierra 2500HD (LLY Duramax 6.6L) from us, you're investing in a product that's been meticulously crafted to deliver unparalleled performance, durability, and efficiency. Make the choice to boost your truck's potential today.

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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