Mad Mechanics

6205 W Okanogan Ave. #110
Kennewick WA 99336
3 Reviews

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Opening Hours

  • Mon: 8am-5pm
  • Tue: 8am-5pm
  • Wed: 8am-5pm
  • Thu: 8am-5pm
  • Fri: 8am-5pm
  • Sat: 8am-5pm


  • American Express
  • Cash
  • Discover
  • MasterCard
  • Visa

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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. 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.After Hours Urgent ServicesWe provide After Hours Services for Fleet Maintenance and Service.After Hours Phone - (360) 356-0190