[Pool Cleaner replacement part] For Dolphin cc plus robot pool cleaner, Part number: 3884997-R6. Includes four (4) guide wheels and two (2) pulley gears. [For Dolphin Premier parts] Compatible with Dolphin Pool cleaners, Dolphin Prowler 820/830, Wave 50, Wave 75, Wave 90, Wave 2X2 Gyro, Quest, Premier, Plus,, C5, C6 Plus, Advantage Plus RC, Advantage Plus Pro RC, Deluxe 3, Deluxe 4, 3001, DLX 4, Deluxe 5, HD, PROX2, DX6, M400, M500, M5, Edge, Triton, Triton Plus, Heavy duty, Robot pool cleaner [High] If you also own a Dolphin pool cleaner, then you will need this part, it is a good replacement, A must for pool cleaners, made of high quality materials, through the manufacturer's rigorous experience. [Easy to use] For Dolphin Advanced robotic pool cleaner, replace 4 idler wheels and 2 drive gears. Opening and closing the equipment is the most difficult part of repair, if you understand how it is taken apart and returned according to the label, wait for it to align properly for a perfect fit [Product features] If the old gear on your for Dolphin robot starts to break and wear, or the parts that fail while crawling are the pulleys and these, Then you will need to replace this part once you have put in a new guide wheel and pulley gear and climb the wall like new again. Keep your pool cleaners in tip-top shape for Dolphin. Color: White + grey Material: Plastic packaging content: 4 x guide wheel 2 x pulley gear only the above packaging content, other products are not included. Note: Light reflections and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3cm.