A used transmission can still have value as a reusable part or as a source of scrap metal, even if it's no longer used in its original vehicle. Here are the main options for repurposing a used car or truck transmission. 

Sell as a Used Auto Part

If the transmission is in good condition, it may be possible to sell it as a used auto part. There are a variety of channels for selling used auto parts, including online marketplaces, local auto parts stores, and specialty auto parts recyclers. 

When selling a used transmission, it's important to accurately describe the condition of the part, provide any relevant information about the make and model of the vehicle it was removed from, and price it competitively.

Many drivers don't have the knowledge necessary to accurately and fully describe a used transmission, and they also lack the reputation of a well-known seller. For these reasons, other drivers may be hesitant to purchase a used transmission from them. Drivers will find that it's much easier to sell a used transmission through a transmission specialist. The specialist might pay for the transmission and then resell it, or sell it on consignment for a driver.

Recycle as Scrap Metal

If the transmission is not in good condition and cannot be sold as a used auto part, it can at least be recycled as scrap metal. Aluminum transmissions can be sold to scrap metal recyclers, who will pay for the metal content of the part. 

Iron transmissions can also be recycled, although they are less valuable due to the lower price of iron as compared to aluminum. Make sure you know whether you have an iron or aluminum transmission before calling a scrap metal company.

When recycling a transmission as scrap metal, follow any local regulations and restrictions, and ensure that the transmission is properly disposed of in an environmentally responsible manner. Any reputable scrap metal company will properly take care of a transmission.

Use as a Core for Rebuilding

If the transmission is not in good condition but still has some usable parts, it can be used as a core for rebuilding. Rebuilding a transmission involves disassembling the transmission, cleaning and inspecting the parts, and replacing any worn or damaged components. The rebuilt transmission can then be installed in another vehicle. 

Rebuilding a transmission can be a cost-effective way to extend the life of a used transmission, and it can also help to conserve natural resources by reducing the need for new transmissions to be manufactured.

Contact a local auto service to learn more about what to do with a used transmission.