Welcome to TransMichigan

Complete Online Automatic Transmission Parts, Sonnax Valves and Tools!
We carry Sonnax Valves and Sure Cure Kits for most domestic Automatic Transmissions.

If you do not see it Drop us an Email I am sure we have it in stock or only day away.
We get deliveries every day from our vendors.

If you are not sure of the exact part you are looking for read this...

Please Help us to get you the correct part the first time. PLEASE include the Year, Make, Model and Transmission Type in the comment box when you place your order.

We are adding Illustrations of the most popular Transmissions first. Look at the Illustrations they are in PDF format. You will need Adobe Reader to open them it is FREE from adobe here is the link. When you go into the catalog to look for the parts. When you bring up the list of parts look for we are adding the Illustration numbers that refer to the pictures under the product Name and in the description. They will look like this  24218063 5 Pinion Front Planet (145)  The number in the ( 145 ) Refers to the numbers in the Illustrations.

If there is a part in the Illustration you need that is not listed in the catalog either note it in the comment box with your order or use the contact Us link to ask about this part, be sure to include the year make and model of the vehicle you need the part for also include the model of the transmission as well.

We are adding a lot of information to help you diagnosis your transmission Information can be found on the menu on the left. If you do not find the info you need feel free to Contact Us.

Illustrations of the internal transmission components can be found in a couple places either on the menu on the left or in the catalog when you click on the part to bring up the description it will say "For more information, please visit the products webpage." this will be linked to the Illustration for the transmission the part fits.
( NOTE some parts may fit more than one transmission )

We Ship World Wide Every Week Day!