42121 Wells Map/Boost Sensor 5S2589 RWF-103-04BK RWF-103-06BK RWF-103-08BK RWF-103-10BK RWF-103-12BK RWF-103-16BK RWF-103-20BK Always verify fitment for your

Always verify fitment for your specific vehicle and engine configuration

Engine misfires or stumbling

Advanced LSU4

1588A147 (Mitsubishi)

EGO-302 / EGO302

42121 Wells Map/Boost Sensor 5S2589 RWF-103-04BK RWF-103-06BK RWF-103-08BK RWF-103-10BK RWF-103-12BK RWF-103-16BK RWF-103-20BK Always verify fitment for yourWells MAP Sensor 5S2589 Restore optimal engine performance and fuel efficiency with the Wells MAP Sensor 5S2589 (SKU 42 121). This premium OEM quality manifold absolute pressure sensor is specifically engineered for Jeep Grand Cherokee WJ and WG models equipped with the 4. 0L ERH engine, delivering precise intake manifold pressure readings for optimal fuel delivery, ignition timing, and engine performance. CLICK HERE TO CHECK IF THIS FITS YOUR