Tucson’s best auto transmission service

Since 1960, Ed Cain’s Auto Service is the leader in Tucson transmission services. We offer complete auto care, and specialize in transmissions – We can repair, flush, rebuild or replace your transmission quickly and expertly, at a reasonable cost.

Free transmission check

We offer a free, thorough check of your transmission. This includes a test drive, checking the charging system, a computer scan of the vehicle’s electronic systems, checking the transmission fluid, and a careful visual inspection of your vehicle.

Automatic transmissions

Ed Cain’s highly skilled master technicians repair or rebuild your transmission here in-house, using top quality parts and state-of-the-art technologies. We repair and service all types of automatic transmissions, and we’re Tucson’s best source for high-performance parts.

Standard transmissions

Our expert technicians build 4-speed, 5-speed and 6-speed transmissions. We recommend and install the best parts, all at competitive prices. If you’re looking for a transmission repair shop here in Tucson that knows and loves manual transmissions, come to Ed Cain’s.


When you’re ready to change your gear ratios or install hardened axles, we’re Tucson’s  best source for specialized differential parts. Ed Cain’s expert technicians can perform any kind of upgrade or repair. If your vehicle is suffering from a broken ring & pinion or carrier, we can help.

Heavy-duty truck transmissions & transfer cases 

We design, build, maintain and repair heavy-duty transmissions, differentials and transfer cases for the most demanding applications you have. If your transmission or transfer case is leaking, making noise, or failing to engage, we can usually repair it the same day. Just call us.

High-performance diesel transmissions

Our team can build, install and maintain any high-torque, high-output powerhouse transmission unit.

At Ed Cain’s Auto Service, we offer the best solutions to meet your transmission needs.

(520) 326-6572