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Ryan's Diesel Service
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        • 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
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    • S400 Turbocharger
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      • 01-04 LB7
      • 04.5-05 LLY
      • 06-07 LBZ
      • 07.5-10 LMM
      • 11-16 LML
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Mobile Diesel Repair in Big Bend, WI

Residents of Big Bend understand the frustration that comes with unexpected diesel breakdowns, especially when you're on the road or managing a busy schedule. Ryan's Diesel is here to provide prompt and reliable onsite diesel repair, ensuring you never have to navigate a problem alone. Our skilled technicians specialize in mobile diesel repair, allowing us to come directly to you, whether you're facing an unexpected roadside breakdown or simply need routine maintenance. With our quick response times and dedication to resolving issues efficiently, you can trust that your diesel engine is in capable hands. At Ryan's Diesel, quality and dependability are at the heart of everything we do, so you can get back on track with confidence.

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 5 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.

Diesel Repair Services – Your Trusted Diesel Repair Shop in Wisconsin

At Ryan’s Diesel Service, we specialize in comprehensive diesel repair and maintenance for light and medium-duty diesel trucks and vehicles. With over 15 years of experience serving Southeastern Wisconsin, our ASE-level technicians deliver honest diagnostics, dependable repairs, and performance-driven service you can count on.

Whether you’re dealing with a hard-to-diagnose engine issue or need routine diesel system maintenance, our team has the expertise and equipment to keep your diesel running strong.

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Why Choose Ryan’s Diesel Service?

Ryan's Diesel stands out in Big Bend, WI, as a locally owned enterprise deeply invested in the community and its needs. Our team brings over a decade of combined experience in diesel mechanics, ensuring that your vehicle is in expert hands. We specialize in both onsite and mobile diesel repair, which means we're equipped to tackle your needs whether you’re at home or stranded on the road. Our rapid response times ensure that you can rely on us to assist with roadside diesel breakdowns, minimizing downtime when it matters most. We offer a one-year warranty on all our repairs, giving you peace of mind with every service. By prioritizing the specific needs of our customers, we ensure a level of commitment that goes beyond just fixing your diesel vehicle; we aim to forge lasting relationships built on trust and reliability.

On-Site Diesel Repair Services We Offer

We provide a full range of mobile diesel repair services, including:

Engine & Drivetrain Repair at Your Location

  • Mobile diesel engine diagnostics and repair
  • Fuel system service, tuning, and injector replacement
  • Turbocharger repair, replacement, and upgrades
  • Engine troubleshooting and on-site repairs

Mobile Diesel Performance & Upgrades

  • Performance tuning and enhancements
  • Turbo upgrades and installs
  • Power and efficiency optimization

With over 15 years of experience serving Southeastern Wisconsin, our ASE-level technicians provide on-site diagnostics, repairs, and maintenance, whether you’re at home, on the job site, or stranded on the road.

When your diesel is down, we come to you.

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Ready to set up an appointment?

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Dodge Turbocharger

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Ford Turbocharger

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GM Turbocharger

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Cab & Chassis Turbocharger

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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

“Rates from 0–36% APR. Payment options through Affirm are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lenders Law license. For licenses and disclosures, see affirm.com/licenses. For example, a $800 purchase could be split into 12 monthly payments of $72.21 at 15% APR or 4 interest free payments of $200 every 2 weeks.”

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  • Drop in Turbos
  • Dodge Cummins
  • Ford Powerstroke
  • Chevy/GMC Duramax
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