• Customer Support (303) 279-7033
  • 15435 W Colfax Ave Golden, CO 80401

GET FIRST CLASS SERVICES FOR YOUR VEHICLES

WE PROVIDE CONVENIENT & QUALITY SERVICES

At AC Transmission Golden, we thrive on honesty and integrity, as is obvious by our outstanding customer reviews. Our talented mechanics and transmission specialists have worked with us for the long-term. Our ``new guy`` has worked here for over four years, and all of the others have had 30+ years of experience. This says a lot about who we are, how we run our business and the extensive experience that we have. We are ASE and ATRA certified and offer free diagnostics and analysis on all vehicles. Call or visit us when you need a transmission repair shop to get it right the first time. AC Transmission Golden is here to help!

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100% TRANSPARENCY

We ensure that you get a well detailed break-up of each minor repair work

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Genuine Spare Parts

We useuthorized genuine spare parts & accessories to ensure that your

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TRUSTED & QUALITY SERVICE

You can avail our free pickup & drop so that you can just sit & ...

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  • 58

    YEARS OF EXPERIENCE
  • 30218

    TRANSMISSIONS REPAIRED
  • 30999

    Customer Satisfied
  • 53

    Reviews

FEATURED SERVICES

Diesel transmission - two mechanics working on diesel transmission upgrade
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Diesel Transmission Performance Upgrades

AC Transmission Golden specialize in light and medium duty diesel truck repairs.

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Diesel Transmission Performance Upgrades

foreign and domestic - ac transmission employees inspecting parts
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Foreign & Domestic

At AC Transmission Golden, we specialize in working with both foreign and domestic vehicles.

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Foreign & Domestic

clutch repair - close up of new clutch
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Clutch Repairs

When you need reliable clutch repairs, turn to AC Transmission Golden.

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Clutch Repairs

transmission repair - mechanic in white gloves working on transmission

TRANSMISSION REPAIR

AC Transmission Golden repairs and replaces standard and automatic transmissions in foreign and domestic vehicles. You can rely on our trained team to get your vehicle back on the road as soon as possible. From routine maintenance to complete replacements, we work with you every step of the way to keep your vehicle running efficiently.

  • Foreign & Domestic Vehicles
  • Diesel Vehicles
  • Automatic & Standard Transmissions
  • Front-Wheel Drive
  • 4-Wheel Drive
  • Clutches
  • Differentials
  • CV Joints & Axles
general repair - mechanic preparing to put new tire on vehicle

GENERAL REPAIR

When you need general auto repairs, turn to AC Transmission Golden. Our general repairs include brakes, starters, water pumps, alternators, vehicle diagnostics, and much more. You can rely on our ASE certified mechanics to assist with any general auto repair you may have.

  • Brakes
  • Starters
  • Water Pumps
  • Alternators
  • Diagnostics
differential repair - close up diagram of differential

DIFFERENTIAL REPAIR

AC Transmission Golden provides differential repairs and replacements to foreign and domestic vehicles. Our team is experienced in working with differentials on various makes and models. We understand in some situations replacements are needed, but we will only recommend a replacement if a repair will not be the best solution for your case.

Diesel transmission - new diesel transmission waiting to be put into vehicle

DIESEL TRANSMISSION PERFORMANCE UPGRADES

Upgrade your diesel transmission at AC Transmission in Golden, CO. Let our skilled experts handle the job and do it right. With all of our years of experience we are confident we will be our one-stop-shop for high performance transmission modifications. Call to speak to one of our diesel specialists. At AC Transmission we have all the parts you could possibly need for your diesel engine and transmission, including multi disc torque converters, Billet parts, Sonnax upgrades, hardened high volume pumps and so much more. Call today to make your appointment.

foreign and domestic - ac transmission employees inspecting parts

FOREIGN & DOMESTIC

At AC Transmission Golden, we specialize in working with both foreign and domestic vehicles. This means our team has the skills, knowledge, and tools to work on your vehicle. We are your best alternative to high-cost dealerships!

About Us

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Over 60 Years of Auto Repair Experience Combined

Brian Wellman

Owner, Brian Wellman, takes care of all of his customers as if they were his personal friends.

When you choose AC Transmission Golden, you can rest assured you’re choosing knowledgeable and professional mechanics from a reputable local transmission repair shop. We have been helping customers get back on the road safely for over 58 years. Our ASE certified mechanics have the skills and tools to identify and fix your transmission and general repair issues.

  • Locally Owned & Operated
  • ASE Certified Mechanics
  • Foreign, Domestic, & Diesel Vehicles
  • Over 58 Years of Experience

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