Preventative
Maintenance
Repairs
Our Southern and Northern CA state-of-the art-service facilities have your fleet’s PM and warranty services covered. Our technicians are factory trained to perform tasks ranging from routine maintenance and warranty repairs or 45 day/BIT inspections to complete engine overhauls.
Installations
A-Z’s service facilities specialize in installation of all aftermarket and OEM bus parts related parts. Need a camera system or child-check system installed in a new or not-so-new bus? A-Z has you covered. Damage a bike rack or time to update those worn out seats? No problem!
Air Conditioning
Bus or van A/C on the fritz? Call our Service Department! We are EXPERTS in air conditioning troubleshooting and repair. Our technicians are factory trained and certified to work on all of the industry’s top air conditioning lines.
Cummins Engines
Our service technicians are Cummins' certified to work on your Cummins diesel and Cummins/Roush CNG engines. We are the experts in Cummins power!
Paint & Body
A-Z Bus Sales Paint & Body Center, located in Colton, CA, is not just an add-on service for buses heading to the showroom floor. We’re the number one choice for fleets seeking top-notch paint and body work. And, while our state-of-the-art paint booth can accommodate buses up to 60’ in length, we do not just paint buses. It is not uncommon to find Class 8 trucks or fire engines in our paint shop.

Meet the Service Team
















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