Pool Cleaner Replacement Parts: Compatible with Dolphin CC Plus robotic pool cleaners, fits part number 3884997-R6. Includes four (4) guide wheels and two (2) pulley gears. Compatible with Dolphin Premier, 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, and other compatible robotic pool cleaner models. High Quality: Designed for owners of Dolphin pool cleaning machines, this replacement part is constructed from durable, high-quality materials to ensure reliable performance and longevity. Easy to Use: Replace 4 idler wheels and 2 drive gears on your Dolphin Premier robotic pool cleaner. Opening and closing the unit is the most challenging part of the repair; follow disassembly instructions carefully and reassemble according to labeling for proper alignment and fit. Product Features: If the old gears or guide wheels on your Dolphin robot show signs of wear, cracking, or failure during operation, replacing them with these new parts will restore climbing ability and overall performance. Keep your robotic pool cleaner operating efficiently. Replacement Pool Cleaner Timing Tracks: Maintain optimal performance with this 2-pack of replacement timing tracks. Replaces 12-inch x 12-inch x 1-inch (L x W x D) tracks with part number 3295-133 and alternate part number 9985006. Improve Robotic Pool Cleaner Performance: Worn tracks can lead to slow movement, reduced traction on pool surfaces, and difficulty climbing walls. Proactively replace aging tracks to avoid malfunctions and maintain peak cleaning efficiency. Compatibility: Suitable for various Dolphin robotic pool cleaner models requiring two tracks (one per side), including Dolphin DX, Explorer, Wave, Advantage, and other compatible series. Color: White + Gray Material: Plastic Package Contents: 4 x Guide Wheels 2 x Pulley Gears 2 x Replacement Timing Track Note: Light reflection and display settings may cause slight variations between the product color in images and the actual item. Measurement may vary by +/- 1-3 cm.