About Copperhead Diesel Performance
Between Gilbert and Mesa in Chandler, Arizona, Copperhead Diesel Performance handles fuel system service, engine diagnostics, diesel engine repair, transmission repair, and DOT inspections. The shop serves the greater Phoenix area, including Tempe and San Tan Valley. Diesel-specific work spans diagnostic testing to identify engine issues, fuel system maintenance and repair to keep injection and delivery systems functioning, full transmission service and rebuilds, and compliance inspections required by the Department of Transportation. Call (480) 690-2626 for diesel repair and service.
Gallery

Our Services
Fuel System Service
Engine Diagnostics
Diesel Engine Repair
DOT Inspections
Transmission Repair
Diesel Specialist
Customer Reviews
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Verified Customer
Google Review
Their Pre-Purchase Inspection service is worth every penny. Extremely thorough and well presented; they found issues I completely missed. Would recommend this before purchasing any used diesel pickup.
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Verified Customer
Google Review
So I can not recommend these guys enough, after the exceptional quality work they provided as well as the world class customer service. Was looking for a diesel mechanic and decided to give them a try after talking with them at Diesels in ...
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Verified Customer
Google Review
2nd time I've taken my truck to them. They repaired all the issues I had, from the oil leak to the water pump. Pricing is still higher than I liked but you get what you pay for. ...