Top Rated Transmission Shops Serving Hercules, CA

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 Hercules including 94547. These transmission experts provide transmission repairs and transmission service, and they also work on transmission rebuilds, transmission troubleshooting and clutch replacement. 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 May 15, 2026
  • 8,275 people sourced companies in Auto Transmissions
    2,977 Verified Auto Transmissions Customers Surveyed
2,977
8,275
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Delta Transmission

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Delta Transmission has been servicing, repairing, replacing and rebuilding transmissions at its Antioch facility since 1958. In addition to general tr...
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Main Services

Auto Transmissions
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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

Coverage Areas

Contra Costa County

Family Owned
Family Owned
Established in 1958
Established in 1958
Free Quotes & Consultations
Free Quotes & Consultations
Free Estimates
Free Estimates
Diamond Certified Video Profile
Auto Transmissions - Delta Transmission - Contra Costa County
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Diamond Certified Company Report
Chester Kniss, Owner-Delta Transmission
Chester Kniss, Owner
Expert Contributions
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  • 465
  • Rating Surveys
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  • 13
  • Photos
    & Videos
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  • 5
  • Researched Articles
1105 Sunset Drive, Antioch, CA 94509
Hours CLOSED NOW
License:
247427
Learn how to choose a Auto Transmissions and more…

Diamond Certified Transmission Shops Serve These Hercules ZIP Codes

94547

Diamond Certified Transmission Shops In Hercules

Diamond Certified transmission shops serving Hercules are rated an average of 4.7 out of 5 stars based on 864 reviews of 33 rated transmission shops.
Diamond Certified transmission shops in Hercules Avg. Star Rating.

We make you an expert at choosing a high-quality transmission shop in the Hercules area.

For those who love quality local transmission shops.

Within our Diamond Certified Resource:

You’ll love and refer your friends and family to your new Hercules area Diamond Certified transmission shop. They provide expert services, including transmission upgrades, transmission maintenance, transmission troubleshooting, gearbox repair, clutch replacement, and more.

To qualify for Diamond Certified, each shop must score Highest in Quality and Helpful Expertise (a 90+ on a 100 scale) and pass all our credential-based ratings. Diamond Certified transmission shops that serve Hercules residents include Delta Transmission, and Letcher Brothers Auto Repair.

Every Diamond Certified transmission shop that serves residents in 94547 performs various specialties, including transmission fluid service, transmission diagnoses, transmission rebuilds, transmission service, and manual transmissions.

How to Choose a Quality Hercules Transmission Shop for Your Family
  1. Click the name of the shop to get to their Diamond Certified Company Report page.
  2. Watch their Diamond Certified Video Profile and other videos that we’ve created for you.
  3. Read their verbatim customer survey responses and our researched articles.
  4. Get helpful transmission tips if they are a Diamond Certified Expert Contributor.
  5. Call or email them to schedule an appointment.
Become a Diamond Certified Preferred Member and Join Your Hercules Neighbors

If you love quality local shops, this is for you. Become a Diamond Certified Preferred Member (always free) and get a double performance guarantee, extra guides and tips, our annual Diamond Certified Directory, and more.

Your Diamond Certified Resource. We make you an expert at choosing.

We make you an expert at choosing local companies by giving you the most accurate ratings, deeply researched company reports and Diamond Certified Guide of all Resource Guides, which cover 70+ industries in the Auto, Home, Health and Personal service categories. Each guide contains 16 key articles that are separated into “Before, During and After the Job” tabs. These are written to guide you through each phase of hiring, starting, managing and ending a job in that specific type of service.

Diamond Certified Resource Compared to Crowd-Sourced Review Sites

Diamond Certified Resource’s ratings of local companies are based on surveys of only verified real customers, so they are the most accurate. This beats crowd-sourced review sites like Yelp, Angi or even Google that are plagued with fake, manipulated, cherry-picked and non-customer reviews, which produce inaccurate and often inflated rating scores.

Diamond Certified Resource’s deeply researched reports of top rated Diamond Certified companies include everything you need to see to be very confident in choosing a top rated local company. Each company report includes detailed quality ratings and scoring, verbatim customer survey responses, a profile video, a company story video, a capabilities table, a photo gallery, researched articles, unique expert contributions from the company’s owner, and more. This beats crowd-sourced review sites that solicit companies to “claim their business listing” and add any type of info to their profiles. This sounds good, but it has led to company profiles that are littered with false claims and incomplete info.

Map of Hercules, CA

Hercules was founded in 1851, and today, your 24,738 neighbors enjoy arts and crafts, sailing, craft fairs, playgrounds and mountain biking. Herculeans use Diamond Certified transmission shops for gearbox repair, transmission rebuilds, clutch replacement, transmission fluid changes, transmission fluid service, and more.

Frequently Asked Questions for Auto Transmissions in Hercules, CA
Q: What are customers of Diamond Certified transmission shops saying about shops in Hercules, CA?
A: Verified Delta Transmission Customer, 1 of 465
"I would most definitely recommend them. They did a great job with me and it was affordable compared with other people. I was very happy with the service. Basically, they got it done." - Conrad P.
All Survey Responses for Delta Transmission
Q: What are some of the most popular brands that Diamond Certified transmission shops use when working with Hercules residents?
A: Diamond Certified transmission shops use top-quality brands like JASPER Engines & Transmissions, ATI Performance Products, Transtar, TransGo and Sonnax.
Q: What types of auto repair do transmission shops offer?
A: Transmission fluid service typically involves draining and replacing the old fluid, flushing the system, and adding new fluid. This service also involves inspecting the transmission system for any signs of leaking or damage, and cleaning components as necessary. Transmission shops may also offer additional services such as transmission filter replacement, transmission pan gasket replacement, and transmission valve body service.
Q: Can Diamond Certified transmission shops work with Aisin products and similar items so I can get transmission repairs in Hercules?
A: Yes, Diamond Certified transmission shops in Hercules can work with Aisin products and similar items.
Q: What did people search for when they wanted to find the best quality transmission shops in Hercules?
A: Transmission Diagnoses
Auto Repair
Transmission Troubleshooting
Transmission Repairs
Transmission Fluid Changes

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