“Awesome one on one service. Mike and Russ are highly knowledgeable. They had me back on the road in a couple of days and it did not break the bank. :)”
| Monday: | 9:00 AM - 4:00 PM |
| Tuesday: | 9:00 AM - 4:00 PM |
| Wednesday: | 9:00 AM - 4:00 PM |
| Thursday: | 9:00 AM - 4:00 PM |
| Friday: | 9:00 AM - 3:00 PM |
| Saturday: | CLOSED |
| Sunday: | CLOSED |
Duncan Transmission & Automotive of Bridgeton, MO has been serving Bridgeton for over 48 years with quality auto repair & transmission repair services. We specialize in transmission repair and general auto repair.
At Duncan Transmission & Automotive of Bridgeton, MO, we are committed to maintaining a highly ethical and sound business practice in order to meet and exceed our customer’s automotive needs.
We ensure the very best craftsmanship and customer service. We take pride in our work and back our repairs with applicable warranties.

Fill out the form below and we will contact you as soon as possible and further evaluate your needs. We take pride in a fast response.
Have some questions? We’re here to help.
Our shop is at 11835 St Charles Rock Rd, Bridgeton, MO 63044. You can find directions and our contact form on the Contact Us page.
Monday: 9:00 AM - 4:00 PM; Tuesday: 9:00 AM - 4:00 PM; Wednesday: 9:00 AM - 4:00 PM; Thursday: 9:00 AM - 4:00 PM; Friday: 9:00 AM - 3:00 PM; Saturday: CLOSED; Sunday: CLOSED. Call 314-291-1615 to confirm holiday hours or the best time to bring in your vehicle.
Call 314-291-1615 or use our Contact Us form with your vehicle’s year, make, model and concern. Confirm the date and arrival time with Duncan Transmission & Automotive; sending a form does not by itself reserve an appointment.
Call 314-291-1615 before coming in so we can discuss the problem and current availability. The time needed depends on the work already scheduled and the inspection your vehicle needs.
Contact Duncan Transmission & Automotive at 314-291-1615 with your vehicle details and symptoms. Inspection or testing may be needed before the repair scope and cost can be established. Ask what the estimate includes before authorizing work.
Yes. We offer free road tests. Contact Duncan Transmission & Automotive to discuss availability and whether the vehicle is safe to road-test. Ask separately about any diagnostic testing, inspection or disassembly charges.
Yes, towing is available. Call 314-291-1615 to discuss pickup, availability, charges and delivery arrangements. Confirm the details before arranging a tow; do not assume round-the-clock dispatch or that towing is included in a repair.
Yes. Duncan Transmission & Automotive services domestic and foreign transmissions. Give us the year, make, model and transmission type so we can confirm the work available for your particular vehicle.
Duncan Transmission & Automotive specializes in automatic transmission work and general auto repair. We handle transmission concerns ranging from minor repairs to rebuilding and replacement, along with the general repair services described on our service pages.
Our repairs are backed by applicable warranties. Ask Duncan Transmission & Automotive for the terms covering your particular repair, including time or mileage limits, exclusions and any required approval before related work is done elsewhere.
Contact Duncan Transmission & Automotive at 314-291-1615 to confirm current payment options before authorizing repairs. Ask about any payment or warranty-claim requirements for your job; financing and installment arrangements should not be assumed.
Repair time depends on the diagnosis, parts availability and the work you approve. Ask Duncan Transmission & Automotive for an expected schedule after the evaluation and confirm transportation arrangements rather than assuming same-day completion.
Bring your vehicle keys and relevant maintenance or repair records. Tell Duncan Transmission & Automotive the mileage, when the symptom began, whether it happens hot or cold, and any warning lights. A safely recorded photo of a warning can help; do not record while driving.
Call 314-291-1615 before making an after-hours drop-off. Confirm where to park, how to hand over the keys and when the vehicle can be received. Do not leave a vehicle or keys unattended without an agreed arrangement.
Agree with Duncan Transmission & Automotive on the initial work and a reliable way to reach you. Ask for the findings, revised estimate and expected timing before approving additional repairs, and let the shop know about any outside warranty requirements.