It is our business to help you get the most out of all your equipment. This commitment to customer service excellence means that we will get the parts you need in your hands when you need them. Thompson Tractor is your source for new and used parts. 

We have a large inventory of CAT and complementary product parts consisting of over 200,000 different line items in 16 locations throughout Alabama and Northwest Florida.

Buy Parts Online

Parts.Cat.Com ― the fastest, easiest and most reliable place to find over 1.4 million genuine Cat parts online. Order parts anywhere, anytime, from any device. Find your local store and start shopping. Find the right part, every time with the ‘Part Lookup’ feature and view real-time parts availability. LEARN MORE >
New Parts 
Thompson Tractor has branches across Alabama and Northwest Florida with a wide selection of parts on hand. Our knowledgeable staff can help you find the parts you need in person or over the phone FIND YOU NEAREST BRANCH > 
Thompson Tractor is the largest used parts dealer in the Southeast. We offer a wide variety used, rebuilt and reconditioned parts and components that meet Caterpillar's strict re-usability guidelines for a fraction of the cost of new. LEARN MORE >