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The Gear Box Transmissions, LLC.

Fall sale, now thru Tues. 9/18/18.

Type Autumn5 into the promotion box to receive 5% off.

Business For Sale

In anticipation of retirement, The Gear Box Transmissions LLC business, website and EBay store, Thegearbox, is now for sale. The Gear Box has been a successful automotive manual transmission parts & service company for over 20 years. It has been profitable with yearly growth for those 20 years. There are unlimited new product lines that can be added for expansion of the business. Please contact us at for more information.

The Gear Box is your one stop shop for all manual transmission parts. We have parts for Borg Warner/Tremec T56 transmissions, 6060, T5 world class and non world class, T45, T10, Super T10, Muncie M20, M21, M22, 3550, TKO, 3650 and more!

We carry a complete line of the best quality parts available, including Tremec / Borg Warner, Richmond & Spicer.

We specialize in all types of manual transmissions, have over 35 years experience in the transmission business and have rebuilt 1000's of transmissions.

If you're looking for parts we provide the best quality service and parts. If you don't see what you need on this site, please feel free to email us or call 734-793-0727. 

We are also sellers on Ebay. Check out our reputation and buy with confidence!

The Gear Box Transmissions, LLC.

Phone 734-793-0727

* Fax 734-793-0729