General Info

Founded in 1984, DeFeo Manufacturing is one of the leading designer, manufacturer and supplier of replacement parts for Allison Series Transmissions. Based in Brookfield, Conn., the company offers a wide selection of parts covering all models and sizes for on and off-highway Allison Transmissions. Additionally, it offers a diverse range of replacement parts, such as aftermarket new parts, refurbished Allison parts, inspected good used parts, and Allison new parts. The company caters to the transit, trucking, mining, transportation and oil and construction industries in over 60 countries. It offers various products comprising overhaul kits, filters, bushings, sensors, solenoids, ECU s, clutches, filters, gears, carriers, shafts, oil pumps and more.