[Pool Cleaner Replacement Parts] for Dolphin CC Plus robotic pool cleaners, fits 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, Robotic Pool Cleaners. [High-Quality Replacement] If you own a Dolphin pool cleaning machine, you will need this part. It is a great replacement and a must-have for pool cleaning machines, made of high-quality materials and tested for durability. [Easy to Use] For Dolphin Premier robotic pool cleaner. Replace 4 idlers and 2 drive gears. Opening and closing the unit is the most challenging part of the repair. If you understand how it came apart and reassemble according to the labels, ensure proper alignment for a perfect fit. [Product Features] If the old gears on your Dolphin robot start to break or wear out, or if the pulleys fail during operation, you will need to replace these parts. Installing new guide pulleys and gears restores wall-climbing performance like new. Keep your Dolphin pool cleaner in optimal condition. REPLACEMENT POOL CLEANER TIMING TRACK – Keep your pool cleaner in top shape with this 2-pack replacement timing tracks. Replaces 12-inch x 12-inch x 1-inch (L x W x D) timing track with part number 3295-133 and alternate part number 9985006. IMPROVE YOUR ROBOTIC POOL CLEANER'S PERFORMANCE – Worn-out tracks can cause performance issues such as slow movement, lack of traction on the pool floor, and inability to climb walls. Avoid malfunctions by proactively replacing tracks with new high-performance timing tracks. COMPATIBLE WITH NUMEROUS DOLPHIN ROBOTIC POOL CLEANER MODELS – Suitable for models requiring 2 tracks (one on each side), including Dolphin DX, Dolphin Explorer, Dolphin Wave, Dolphin Advantage, and other compatible models. Color: White + Gray Material: Plastic Package Contents: 4 x Guide Wheels 2 x Pulley Gears 2 x Replacement Timing Track Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1-3 cm.