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Certified Transmission Inc

"Get It In Gear"

About Us

Looking for the highest quality transmission or driveline repairs in the industry? You have come to the right place! We have been providing top quality, industry-leading repairs right here in Mishawaka, Indiana, since first opening our doors back in 1967. Our highly trained, ASE certified technicians receive continual education to ensure they stay up-to-date on the latest technologies and techniques. By keeping our focus strictly on transmission and driveline repairs, we are able to offer unmatched knowledge and industry-leading expertise you can count on.

Why choose Certified Transmission Inc? We have been in the transmission and driveline industry since the 60’s, when we first opened our doors. Since then, our primary focus has been on providing the highest quality repairs with the best warranties in the industry. We have been able to deliver this to our customers by offering our industry-leading 3 year/100,000-mile nationwide warranty. Whether you are in need of a minor service or a major repair, you can rest assured that your vehicle is in good hands with Certified Transmission Inc!


Areas Served

Mishawaka, IN | Granger, IN | South Bend, IN | Osceola, IN | Niles, MI | Buchanan, MI | Notre Dame, IN | Edwardsburg, MI

Our Certifications


What We Offer

Our Specialties include:

Our Services include:


Testimonials

On 4/15/2025 Aaron Heimbecher had this to say:
Great place to take your vehicle if your transmission is having issues. They put their diagnostic fee towards your final bill if you decide to have them do the work. beforeThey rebuilt an F-150 transmission for a friend of mine more than 5 years ago, and he's never had an issue. They are more than competitive when it comes to pricing and service.

On 3/13/2025 Marque Belke had this to say:
Honest and excellent! I've had them check out a couple of vehicles over the years - one just needed a part replaced and the other was a full rebuild. In both cases they were surprisingly faster than anticipated. Fair pricing as well.

On 10/7/2024 Mary Esler had this to say:
Best prices! Quality service with a warranty, staff is excellent and caring.

On 4/20/2024 Will Lakeman had this to say:
These guys definitely know their stuff. I had a unique vehicle with many modifications. 1972 Bronco. I replaced the transmission myself. I am not a mechanic and had many issues. They got me going for an extremely reasonable price. Thank you Certified transmission

On 3/6/2024 Ray Koch had this to say:
Very helpful do all my transmission work Stuart is great


Contact Us

Certified Transmission Inc
3703 Grape Rd Mishawaka, IN 46545
Phone: (574) 256-5528
Email: certransmission@aol.com

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Payment Types Accepted

American Express, Cash, Personal Checks, Debit Cards, Discover, MasterCard, Visa

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 4:30 PM
Tuesday: 8:00 AM - 4:30 PM
Wednesday: 8:00 AM - 4:30 PM
Thursday: 8:00 AM - 4:30 PM
Friday: 8:00 AM - 4:30 PM


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