[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 cleaner models: 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 reliable replacement and made of high-quality materials designed 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 follow how it was disassembled and reassemble according to the labels, it will align properly for a secure fit. [Product Features] If the old gears on your Dolphin robot are breaking or wearing out, or if pulley components fail during operation, it is time to replace them. Installing new guide pulleys and gears restores performance, allowing the robot to climb walls effectively and operate like new. Keep your Dolphin pool cleaner in optimal condition. REPLACEMENT POOL CLEANER TIMING TRACK – Maintain peak performance 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 tracks can lead to slow movement, reduced traction on the pool floor, and difficulty climbing walls. Avoid malfunctions by proactively replacing worn tracks with high-performance replacements. COMPATIBLE WITH NUMEROUS DOLPHIN ROBOTIC POOL CLEANER MODELS – Designed for models requiring two 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 Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm. Only the above package content is included; other items are not part of this package.