If you really care about choosing a quality transmission shop, we’re here for you. Here’s your access to the best transmission shops serving Napa including 94558, 94559 and 94581. These transmission experts provide transmission rebuild and transmission flush, and they also work on auto repair, transmission troubleshooting and automatic transmissions. For 22 years we’ve conducted the most accurate ratings and deepest research of local shops, so you’ll be confident in choosing.
Last Updated Dec 05, 2025
8,275 people sourced companies in Auto Transmissions
2,977 Verified Auto Transmissions Customers Surveyed
Letcher Brothers Auto Repair services most types of European, Japanese, American and fleet vehicles at its Pinole facility, handling everything from g...
Delta Transmission has been servicing, repairing, replacing and rebuilding transmissions at its Antioch facility since 1958. In addition to general tr...
Read More
Main Services
Auto Repair
Auto Transmissions
Additional Services
Transmission Rebuilds, Differentials & Transfer Cases, Brake Pads & Rotors, Free Diagnoses on Transmissions & Differentials, No Engine Repairs, Drive Shaft Balancing, Shortening & Lengthening, U-Joint Replacement
Diamond Certified Transmission Shops Serve These Napa ZIP Codes
94558, 94559, 94581
Diamond Certified Transmission Shops In Napa
Diamond Certified transmission shops serving Napa are rated an average of 4.7 out of 5 stars based on 756 reviews of 33 rated transmission shops. Diamond Certified transmission shops in Napa Avg. Star Rating.
Napa was founded in 1847, and today, your 80,015 neighbors enjoy rafting, music lessons, outdoor games, crabbing and yoga. Napans use Diamond Certified transmission shops for transmission service, transmission upgrades, transmission fluid changes, gearbox repair, transmission maintenance, and more.
Frequently Asked Questions for Auto Transmissions in Napa, CA
Q: What are customers of Diamond Certified transmission shops saying about shops in Napa, CA?
A: Verified Letcher Brothers Auto Repair Customer, one of 302
"They did a good job for me. They were able to fix my transmission right away." -Alfred S. All Survey Responses for Letcher Brothers Auto Repair
Verified Delta Transmission Customer, one of 390
"They are honest, dependable, and they get the repairs done on time. They give you a 'heads up' on what you need or don't need, and they are very pleasant people to interact with. They are very professional in every aspect. I am very glad I found out about them. I like that they even give you a ride home, if you need it. They go all out to help you and make it a good experience for you. " -Phil S. All Survey Responses for Delta Transmission
Q: What are some of the most popular brands that Diamond Certified transmission shops use when working with Napa residents?
A: Diamond Certified transmission shops use top-quality brands like Alto Products, Dynamic Racing Transmissions, Rostra Precision Controls, TransGo and SunCoast Converters.
Q: What types of transmission specialist do transmission shops offer?
A: Transmission specialist at transmission shops typically specialize in a variety of services, including transmission repair, replacement, and rebuilds, as well as diagnostic work and other maintenance services. They are knowledgeable in the workings of both automatic and manual transmissions, and can diagnose problems with the transmission, replace worn out parts, and rebuild the entire unit. They also provide expert advice on transmission care and performance tips.
Q: Can Diamond Certified transmission shops work with Aisin products and similar items so I can get transmission rebuild in Napa?
A: Yes, Diamond Certified transmission shops in Napa are able to work with Aisin products and similar items.
Q: What did people search for when they wanted to find the best quality transmission shops in Napa?
Napa is our home and we love it! Here you’ll find the best spots to revisit, the Napa events schedule, local social media links, stories of our Napa area unsung heroes and much more. Connect with your neighbors and share what you love about our hometown. Plus, join us as a Napa Diamond Certified Preferred Member (always free).
The “Welcome to Napa Valley” sign welcomes visitors to a region renowned for its scenic vineyards and exceptional wines. Photo: wollertz
.png?w=3840&q=75)
