TAD1640GE; TAD1641GE; TAD1642GE; TAD1650GE; TAD1651GE; TWD1643GE; TWD1652GE; TWD1653GE; TWD1663GE Intake and Exhaust System SCR. Hoses for Urea Installation TWD1663GE Parts on group SCR. Hoses for Urea Installation: Pos. Part No Qty Parts name Comments 1. 21618092 [1] Hose, red L=600mm, From tank to pump 2. 21618091 [1] Hose, yellow L=4500mm, From injector to tank 3. 21618090 [1] Hose, black L=4500mm, From injector to pump Parts catalog : AdBlue/DEF Tank 160L TWD1663GE SCR. Electrical System TWD1663GE SCR. Muffler Components and Sensors TWD1663GE Pump Unit SCR, Components TWD1663GE SCR. Pump Unit TWD1663GE Heat Shield for Exhaust Manifold and Valve Cover TWD1643GE, TWD1652GE, TWD1653GE SCR. AdBlueDEF Tank Filter TWD1663GE Turbocharger TAD1640GE Turbocharger TAD1641GE, TAD1642GE Turbocharger TWD1643GE Turbocharger TWD1652GE, TWD1653GE Turbocharger TWD1663GE