8936211.png Mad Mechanics -  Auto Repairs | Performance | Tri-Cities, WA



      Our team is dedicated and qualified.

Learn about Mad Mechanics.

Master Mechanic Jay Fenningsdorf, the owner is an ASE certified mechanic, proud IAMAW member with over 20 years of experience. Jay has relocated to the Tri Cities and opened a shop that offers excellent service, fair pricing and fleet management. Jay's passion for off-road vehicles affords you his off-road high performance skills.

Experience you can trust.

Jay's experience includes building custom trucks and hybrid prototypes for Daimler Trucks North America, Mercedes, and Detroit Diesel. Jay owned and operated an automotive and diesel repair shop in the Portland metro area.


At Mad Mechanics, you will develop a trusting relationship by receiving the best possible service, while repairing your vehicle right the first time.


Professional Auto Repair

Your vehicle is one of the biggest investments you're likely to make in your lifetime. We will help you preserve the value of your car or truck.

You will appreciate Jay's fair pricing and quick

turnaround time. Contact us today to schedule

an appointment for your vehicle.



New Logo  Sign Kennewick