Electronics, , ALLISON 4500, Transmission ECM, (GOOD USED) ALLISON 4500 TCM 29551869 (TRANSMISSION CONTROL MODULE) TCM A59 12V/24V, TCM SERIAL# BK1869A983325394, P/N 29551869, STOCK # 2186 ALL OURPARTSARETESTEDAND SHIPPRIORITY MAIL!OVERNIGHT SHIPPINGOPTIONS ARE AVAILABLE! CONTACT US FOR MORE INFORMATION!CALL(305)688-1101