TWD1672GE; TWD1673GE; TWD1672-1673GE Fuel System Unit Injector TWD1672GE, TWD1673GE Parts on group Unit Injector: Pos. Part No Qty Parts name Comments 1. 3801144 [6] Unit injector 2. 276948 [1] O-ring kit, kit 3. 21261987 [6] Washer 4. 21801388 [6] Yoke 5. 21344774 [6] Flange screw 6. 994891 [6] Cable tie For cable to unit injectors. 7. 8131393 [6] Retainer For cable to unit injectors. Parts catalog : Fuel Cleaner/ Water Separator TWD1672GE, TWD1673GE Fuel Cleaner / Water Separator, Twin. Classifiable Fuel System. Later Production TWD1672GE, TWD1673GE Fuel Cleaner/ Water Separator, Single. Classifiable Fuel System TWD1672GE, TWD1673GE Fuel Pump TWD1672GE, TWD1673GE Fuel Filter, Components TWD1672GE, TWD1673GE Fuel Valve TWD1672GE, TWD1673GE