Diesel Repair in Mesa, AZ
Diesel repair in Mesa, AZ done right - from hard starts and check-engine codes to turbos, injectors, and performance upgrades, BZ Kustomz is the diesel mechanic Powerstroke, Cummins, and Duramax owners trust.
Xtreme Diesel Dealer
Authorized dealer for the parts we install and service.
Free Estimates
Fast, honest, written estimates at no cost.
25+ Years
Trusted Mesa diesel and auto shop since 1998.
Trusted Diesel Mechanic
in Mesa, AZ
When you need diesel repair in Mesa, AZ, you want a diesel mechanic who knows these engines cold - not a shop that guesses on the clock.
For over 25 years, BZ Kustomz has kept diesel trucks running strong across the East Valley, and as an authorized Xtreme Diesel dealer we install and service the performance parts we sell. Family-owned since 1998, we treat every truck like it's our own.
What Does Our
Diesel Shop Handle?
Diesel Engine Repair
Hard starts, knocks, overheating, and power loss diagnosed and fixed on Powerstroke, Cummins, and Duramax engines.
Turbo & Boost Work
Turbocharger service, replacement, and turbo kit installs to restore boost and towing power.
Fuel Systems & Injectors
Injectors, lift pumps, and high-pressure fuel systems repaired or upgraded for reliable power and economy.
Exhaust & Intake
Exhaust and cold-air intake upgrades that help your diesel breathe, cool, and run cleaner.
Tuning & Programmers
Tuners, programmers, and gauges dialed in for towing, daily driving, or added performance.
Lift Kits & Upgrades
Lift kits and performance parts installed in-house to set your truck up right.
Diesel Repair Near Phoenix, AZ
Based in Mesa, we handle diesel repair and service for truck owners across the East Valley and the greater Phoenix area, including Gilbert, Chandler, Tempe, and Queen Creek. Local, family-owned, and easy to work with.
Authorized Xtreme Diesel Dealer
As an authorized Xtreme Diesel dealer, we bring the full catalog of diesel performance parts to Mesa - and we install and service what we sell, so you get one shop for parts, tuning, and repair. Have a build in mind? Tell us what you're after.
Diesel Performance Upgrades
Want more power, better towing, or cleaner throttle response? We spec turbos, fuel systems, exhaust, and tuning for your platform and goals, then install it in-house and dial it in.
Diesel Maintenance & Service
Keep your diesel dependable with fluids, filters, and factory-interval upkeep. See our maintenance service for routine care that prevents bigger repairs down the road.
Why Choose BZ Kustomz
Diesel work is expensive to get wrong - we make it the easy part. Family-owned since 1998, with honest pricing, quality installs, and a team that treats your truck like their own. Book a free estimate to get started.
Diesel Repair
Questions, Answered
Yes. We service and repair all three major diesel platforms - Ford Powerstroke, Ram and Dodge Cummins, and GM Duramax - across light and heavy-duty trucks.
Yes. We install tuners, programmers, and gauges and set them up for towing, daily driving, or added power, matched to your truck and how you use it.
Xtreme Diesel is a diesel performance parts brand, and BZ Kustomz is an authorized dealer. That means we can supply, install, and service their catalog of turbos, fuel systems, exhaust, and tuning parts.
Absolutely. Along with performance and repair, we take care of routine diesel maintenance - fluids, filters, and factory-interval service - to keep your truck reliable.
Always. Bring your truck to our Mesa shop or tell us what you need and we'll write up a free, no-obligation estimate.
Get started
Bring it by.
We'll take a look.
Walk-ins welcome during business hours. Call either of us directly, or send the details and we'll get back to you.
- Shop
- 23015 E Ray Road
Mesa, Arizona 85212 - Hours
- Monday to Friday, business hours. Call ahead on Saturdays.
- Estimates
- Free, with a walkthrough of the damage in person.