Beaver Brook Transmission Parts

Family Owned and Operated Since 1984








Unique Parts

Obsolete Gears




Same Day Shipping

Beaver Brook maintains a large inventory of new and used parts. Occasionally, items may not be available to ship at the time your order is placed. If this happens, we will ship your order immediately when the items are available. If we are unable to ship your items within a reasonable amount of time, we will notify you promptly.

Orders are shipped via UPS.

Payment Options

We accept all major credit cards as well as business and personal checks. Orders paid by check will be shipped after your check clears.

Mastercard Amex Visa Acceptance Mark

Download our Muncie 4-Speed Catalog


No returns after 30 days. All claims and returned goods must be accompanied by an invoice. All sales are final, unless prior authorization has been given. All approved returns are subject to a 15% restocking fee. No used or damaged parts will be refunded.


We offer a limited warranty for ninety (90) days from the original date of sale. This warranty is limited to part replacement or repair, at our discretion, if the part is found to be defective in material or workmanship. This warranty does not cover removal, reinstallation, or any other incidental costs to repair the vehicle. This warranty does not cover owner abuse, misinstallation, misapplication of part(s) sold, or incorrect, low, or no oil.


Some parts in this catalog are not manufactured by the Original Equipment Manufacturer and any reference to trademarks are for cross-reference purposes only. All manufacturer names, symbols and specifications are used for identification purposes only. Every effort is made to provide accurate information on this website, but Beaver Brook Transmission Parts, Inc. is not responsible for any losses, direct or indirect, that are the result of information provided on this website, nor do we make any claim as to the suitability for use of the product information found on this website.

We appreciate your business!

Toll Free 888-886-0665
Monday through Friday
8 AM-5 PM Eastern Time