Used working ecu!

The product is an Electronic Control Module (ECM) or Engine Control Unit (ECU) for a 1987-1990 Jeep Wrangler YJ with a 4.2L engine and 5-speed manual transmission. The ECM is a crucial component for controlling the engine's functions, including fuel injection, ignition timing, and emission control systems. This specific ECM is a genuine Jeep part with the OE/OEM part number 53005522 and is compatible with the 1989 model year. It is a reliable and essential part for maintaining and repairing the vehicle's engine system.