Isuzu Parts CA100126740-PT Fuel Water Separator Assembly For Isuzu DMAX Wholesale On China-market JX493 Euro 6 pickups / LCVs sold under DMAX / Ruimai / MU-X / LT-style model names, the fuel water separator is usually a complete assembly: bowl, head, mounting bracket, hand-primer (on equipped builds), water-in-fuel sensor and outlet to the high-pressure pump. When the bowl cracks, the O-ring weeps, or the sensor keeps tripping a false alarm, changing only the inner element