Baltimore's Transmission Leader

Exceeding Expectations Since 1958


Baltimore MD Automotive Repair & Service

Welcome to Jim Jennings Transmissions

The Jennings family know reputation and customers are our most valuable assets and pledge to always do the "right thing" to protect them. That means our shop promises to diagnose transmission problems for all of our local and surrounding area customers in an honest, efficient and expert manner. Our shop strives to provide prompt and courteous service to all who visit our automatic transmission repair center in the hope that you will return when you need transmission related work and refer your friends.


The entire staff at Jim Jennings Transmissions treated us like family!

Arlon King
Daytona Beach Florida

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jim jennings transmissions is the #1 spot in Maryland for transmission

Baltimore Maryland

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I have nothing but glowing words for the level of service that I have received!

Ken Macleod
Forest Hill Maryland

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I would like to thank all who helped and worked on my Rav4. Thank you for customer service J.C. was very helpful explaining things to me so I understood what was going on with my car and what they had to do.

Joan O'Neill
Baltimore Maryland

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Jim Jennings Transmission is the best place in Baltimore to have your vehicle serviced. The customer service there is far better than I received in a very long time.

Essex Maryland

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I will be happy to recommend your repair shop to others as fair, honest, expert and courteous.

Bob Melanson
Baltimore Maryland

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We can't begin to say enough good things about the EXCEPTIONAL customer service we received from JC! It's so nice to know there are businesses with integrity that truly care about their customers!

TJ Brooks
Catonsville Maryland

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I will always recommend your company to family and friends as the best transmission shop in Baltimore!

William Rogers
Belair Maryland

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Jim Jennings Transmission gets 10/10 from me! Thank you all!

Alex Darnell
Baltimore Maryland

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The service was excellent I know you can trust the work they do. My whole family has dealt with them. You can trust their work. I would give them a A.

vaughn kapp
balto Maryland

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Cost cutting offers


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Baltimore Transmission Flush & Service

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Automatic Transmission - How It Works!

Latest News

State Senator JB Jennings Reelection


Jim's grandson, JB Jennings, was reelected to the Maryland Senate representing northeastern Baltimore County and southern Harford County. This election cycle will be his fifth serving the 7th Legislative District.

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Jim Jennings Transmissions is pleased to introduce our valued team. Every team member at Jim Jennings Transmissions is dedicated to making sure our customers get the service they expect and deserve at our auto repair shop in Baltimore.


Jim Jennings Transmissions understands how important it is to find a quality automotive repair shop in the Baltimore area. This is why we value the associations we have with the reputable organizations listed below. These associations help our auto repair shop in Baltimore to give you the confidence in knowing that your automotive repair and service needs will be met by our qualified automotive repair and service expert technicians.
Jim Jennings Transmissions, a AAA Approved Auto Repair Shop serving the greater Baltimore area, offers our customers AAA peace of mind protection with quality guaranteed service!
Jim Jennings Transmissions is an ATRA automatic transmission shop serving the greater Baltimore area.
TRNI transmission repair shop Jim Jennings Transmissions serving the Baltimore area.
Jim Jennings Transmissions is a BBB Approved Auto Repair Shop serving the greater Baltimore area.
Jim Jennings Transmissions is a Baltimore Transmission shop proud to be affiliated with the Chesapeake Gateway Chamber of Commerce

Fleet Service

Jim Jennings Transmissions has established itself as one of the more popular choices for fleet repair services in the Baltimore area. For the majority of our fleet customers, Jim Jennings Transmissions offers pick-up and delivery service for their fleet's vehicles. The team at Jim Jennings Transmissions takes advantage of our partnerships with various fleet management companies and as such we utilize fleet monitoring software that assists us in keeping detailed vehicle service histories and scheduled maintenance records for each and every vehicle in our valued fleet. Our team of ASE certified professionals are dedicated to reducing overall vehicle downtime and ensuring your vehicles keep doing what they are intended to do, keep your company running smoothly.

Jim Jennings Transmissions

Mon. - Fri. 7:30 AM to 5:30 PM
Closed Weekends