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.


It was so nice dealing with such an honest business as Jim Jennings Transmission!

Dan Kicklighter
Dundalk Maryland

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Just wanted to thank Jim Jennings Transmissions for a very professional install of the clutch in my 2007 Shelby GT500 !

Kirby Summers
Baltimore 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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To say that they were honest, kind, and fair does not say enough.

Baltimore Maryland

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I would give Jim Jennings Transmissions an A+ for their service, quality of work, and their amazing amount of knowledge and expertise on transmissions.

Collin Edwards
Perry Hall Maryland

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Jim Jennings Transmission is a very professional repair center. the price is right and they treat you like family.

Baltimore Maryland

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I would highly recommend this Baltimore transmission shop to everyone I know.

Jason Carter
Baltimore Maryland

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I was still expecting to spend between $2000-$3000 for a tranny rebuild or a replacement, but Jim Jennings diagnosed the problem as an electrical one, and I paid less than $140 total!

Bill Severn
Baltimore Maryland

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I didn't think it was sill possible to get top notch, quality service anymore but, that's just what Jim Jennings gives. They made me feel like I was their number 1 customer.

Phil Blatcher
York Pennsylvania

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What I most appreciated was that when I contacted Jim Jennings, they took the time to listen to and address each of my concerns.

Michael Williams
Towson Maryland

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Cost cutting offers


Baltimore Transmission Flush & Service

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Check Engine Light Offer

Check Engine Light On? Get a Free Inspection!

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Baltimore Free Transmission Diagnosis

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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