TD420VE; TAD420VE; TAD620VE Cooling System Visco-Clutch with Adapter for Crankshaft Mounted Fan TD420VE, TAD420VE Parts on group Visco-Clutch with Adapter for Crankshaft Mounted Fan: Pos. Part No Qty Parts name Comments 1. 7744100_084 Fan 2. 20460307 [1] Fan hub Flange 1: 4X M8X1,25. 2. 20460306 [1] Fan hub Non-controlled., Visco clutch (1) 3. 20460319 [4] Washer 4. 990940 [4] Flange nut 5. 20460308 [1] Adapter L=63.5mm 6. 20460309 [9] Screw M10X45 Parts catalog : Fan Mounted on Water Pump TAD620VE Cooling System Pusher TAD620VE Cooling System Suction TAD620VE Fan Hub, 38, 63, 77, & 102mm: 77mm & 102mm TD420VE, TAD420VE, TAD620VE Fan Hub, 38, 63, 77, & 102mm: 38mm & 63mm TD420VE, TAD420VE, TAD620VE Bracket for Fan. 360mm Fan Height. Ratio 1:1,0 / 1:1,2: 1:1, 2 TD420VE, TAD420VE, TAD620VE Fan TD420VE, TAD420VE, TAD620VE