The Volvo D13 Engine Control Module (ECM) is a genuine OEM part with the manufacturer part number 21900553 P02. It requires programming and has a 1-year warranty. The ECM has an output connection for an actuator driver and features easy installation. With a compact design of 17 inches in length, 12 inches in width, and 3 inches in height, it is designed for front placement on the vehicle. The ECM is made of aluminum and has 7 terminals, including a pin terminal type and a maximum amperage of 15 A. It is a used part with a bolt-on mounting style.