1996–1998 Toyota 4Runner 3.4L Engine Computer Module (ECU/ECM) – OEM 89661-3D331

The 1996-1998 Toyota 4Runner 3.4L Engine Computer Module (ECM) is an OEM part made of aluminum with a bolt-on mounting style. It requires programming and has a pin terminal type. Manufactured by Toyota in Japan, this Engine Control Unit (ECU) is a performance part with a 1-month manufacturer warranty. Easy to install, this ECM is designed specifically for the front of the vehicle and comes with interchange part number 590-57422.