Truck Parts and Repair

Sierra Heavy Duty is a full service shop, specializing in all types of diesel truck repair. Services include:

  • Diagnostics
  • Brake Service
  • Hydraulic Service
  • Engine removal and replacement
  • Transmission removal and replacement
  • Differential removal and replacement

More info…

  • From Our Customers

    Dear Steve,
    We so appreciated you coming to Jackson Rancheria RV Park to site 27 to get our slide out to go back in on our trailer. We thank you for coming so quickly and finding the problem. With my husband being handicap it is not easy for us. If you are ever in Loomis, look us up.

    Nancy & Richard Beck
    Loomis, CA

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  • Contact Us

    Sierra Heavy Duty, Inc.
    18968 Waylon Way
    Sonora, CA 95370

    (209) 532-7994
    (209) 532-8229 (fax)
    info@sierraheavyduty.com

    Map & directions...