Part Number: 109S472UL (No description) Part Number: 109S474UL (Available) Part Number: 109S478UL (Fan ac 119mm x 119mm 38mm thick) Part Number: 109S47K (Ne) Part Number: 109S48 (Ring) Part Number: 109S49 (Ret ring) Part Number: 109S4E3-06 (3110001419585) Part Number: 109S-4E33110001419585 (Bearing) Part Number: 109S4K7 (Ne) Part Number: 109S4MBR (3110001419585) Part Number: 109S50 (Ring) Part Number: 109S52 (Retainer ring) Part Number: 109S560E (Ne) Part Number: 109S5FS (213)