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Locally owned and operated since 1992, A-Z Transmission & Differential is a fully licensed transmission shop dedicated to providing quality automotive repair at affordable prices. We're BBB-accredited and prepared to tackle even the most complex repairs, with highly-skilled automotive technicians using state-of-the-art equipment.

Consistently delivering excellent transmission repair, we serve residents in Arlington and throughout the surrounding area. A-Z Transmission & Differential is a full-service transmission shop providing expert transmission repair and replacement.
Services
Locally-owned and operated since 1992, A-Z Transmission & Differential has provided top-notch transmission and clutch repair for more than 25 years. The majority of our business is from repeat or referral customers, and our experience and dedication is evident to new customers as soon as they walk in the door.
Whether it be your clutch, transaxle, CV or U-joints, driveshaft or any other drivetarin component, A-Z Transmission & Differential has you covered. After a careful inspection and diagnosis, we'll walk you step-by-step through available solutions. Our trustworthy relationships with our customers are our number one priority, so we're completely transparent about our repair process.
At our Lake Stevens location, we offer professional exhaust upgrades that can reduce engine noise and pollutants while enhancing your car's performance and sound. Our upgraded exhaust systems improve engine performance and fuel efficiency, increasing power and saving fuel at the same time. Bring your car to our Lake Stevens shop for an exhaust upgrade or repair today!
Reviews (9)
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EvilD Child Evildchild
Apr 10, 2022
Bill and his crew are amazing. Replaced my gear box on 2002 dodge neon. These guys are very efficient and knowledgeable I recommend you bring your vehicle here for any transmission work. Service: Transmission
Randy Peterman
Feb 23, 2022
Great experience with these guys. I had a less than desirable situation with a failed transmission. They came in at a very reasonable price (less than I figured) and got it done quickly. I waited a few months to post this review. Solid work. I appreciate it a lot.
Mike Carson
Jan 18, 2022
I have used Bill and the gang at A to Z for years! They do EXCELLENT work and always are there to follow up with anything needed. They don't just stop at the sale, they really care for their customers to be happy! Highly recommend!
Robert Rux
Nov 13, 2021
Bill is a transmission god. He will get it back to you and you'll wonder why the engine has so much more power, it doesn't. you are just getting MORE of your available power to the ground!
Steven Vaughn
Sep 26, 2021
Critical: Quality I spent just shy of 3 thousand dollars on a 4l60e rebuild. The transmission works fine, but when i got it in the air for routine servicing i found that several of the bolt holes are stripped out and the drain plug was so rounded off an EXTRACTOR couldn't even get a bite on it Service: Transmission
N. Rambo
Aug 18, 2021
Awesome place, Bill was friendly, very organized, honest and informative of what was needed to repair of my transmission. I would highly recommend his business for others to go to.
Steven Croft
Dec 30, 2020
My old '61 Dodge W100 Power Wagon needed the transaxle completely rebuilt and the team at A-Z did a great job. 5 star shop*****
Bart Seller
Dec 28, 2020
Same scenario as what a couple others have mentioned. They basically did the work but they simply didn't button things back up properly meaning, parts of the areas that needed to be taken off in the engine compartment for accessibility to transmission, they weren't put back on properly. Loose bolts and fittings not reapplied properly. Went inside the vehicle to start up and ready to leave and even part of the console was disconnected!

Also wiring hanging down below the vehicle had to get them to try to fasten that more upright so it wasn't hanging. Also 3 weeks minimum to even get the work done due to not enough guys and too many vehicles. "Cleanliness Factor" well let's just say don't count on it!
Justin F.
Nov 02, 2019
10/10 They were able to get me in right before closing and replace a leaking seal (one from the auto parts store) on the spot and had no problem saving my AmsOil to put back in the transmission. Whole shop is full of fantastic people! The owner even took the time to speak with me about how to keep my transmission healthy. Very knowledgeable and veteran friendly; huge thank you Sir! I know who will be building the transmission on my 7.3 when the time comes and I'll have no problem driving the 2 hours to get it there. Thanks a TON!