The Isuzu 4HK1 ECM ECU 8980380321 1028-D550 Transtron Diesel Engine Computer is a front placement engine control unit that requires programming. It has a manufacturer warranty of 1 month and a weight of 3 lbs. This specific ECU is designed for Isuzu engines and is not universal fitment, making it a tailored part for your vehicle. With a male connector type, this engine computer is a performance part that ensures efficient control of your diesel engine for optimal performance.