Contact Us At:

J&S Transit, LLC & Diesel Performance

Contact Us At:

Phone: (608)632-3544


7808 Nebraska Ave.

Cashton, WI 54619



VISTA PRINT Signage J&S Transit & Diesel Performance Signage9

As a local Diesel repair shop in Cashton, WI. We pride ourselves in our commitment to our customers. We maintain and repair all makes and models of diesel trucks. We also provide performance modifications and accessories for Ford Powerstroke, Dodge Cummins, and Chevy Duramax Diesels. J&S specializes in Ford Powerstroke engines. Our knowledgeable and friendly technicians will cater to your individual needs by determining what repairs, services, or replacements are necessary to keep your vehicle running at top efficiency.

We complete your automotive services as efficiently and economically as possible because we understand that your vehicle is essential to your everyday life. We provide all of our services with honesty and integrity in order to exceed your expectations.

Our Team of Auto Repair Technicians are Committed to Keeping Your Vehicle in Top Condition and Keeping You and Your Family Safe on the Road. At J&S we value the relationships we build with our customers. We have the best expertise and know how to handle your diagnostic, service and repair needs for the Power Stroke motor in SW WI including the La Crosse, Onalaska, West Salem, Tomah, Viroqua, Sparta, and Wesby WI Area.


Scheduled maintenance, Air Intake, Exhaust, Gauges, Head studs, Fuel Injectors – Stock to Wild, Fuel Systems and upgrades, Turbo / Wheels, HPOP Upgrades, EGR Upgrade or Delete, Oil Cooler Replacement or Upgrade with or without Remote Mount Oil Filtration, Coolant Filtration System, Custom tuning on: TS-6 Position Chip, PHP Hydro, SCT, H&S, Smarty, EFI Live, Upgraded FICM, CCV, Crank Case Vent Mod, 6.0 Trans Cooler, Transmission Upgrades, Drivetrain, Lift Kits, Tires / Wheels, Radiator, Intercooler, exc.

Contact Us Today for a FREE ESTIMATE!!!!

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