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, Prowler 820/830, Wave 50, Wave 75, Wave 90, Wave 2X2 Gyro, Quest, 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: Ideal replacement part for Dolphin pool cleaning machines. Made from durable, high-quality materials designed to withstand regular use. Easy to Install: Replace 4 idler wheels and 2 drive gears. Opening and closing the unit is the most involved part of the repair. If disassembled carefully and reassembled according to labeling, parts will align properly for a secure fit. Product Features: When the old gears or guide wheels on your Dolphin robot begin to wear out or fail during operation, replacing them restores performance. New guide pulleys and gears help your robot climb walls and move smoothly like new. Keep your pool cleaner operating at peak efficiency. Replacement 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. Improved Performance: Worn tracks can lead to slow movement, poor traction on pool floors, and difficulty climbing walls. Prevent malfunctions by proactively replacing worn tracks with high-performance replacements. Compatibility: Designed for various Dolphin robotic pool cleaner models that require two tracks (one per side), including Dolphin DX, Explorer, Wave, 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: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement error allowance is +/- 1-3 cm.