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 Models: Fits 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 high-quality materials for durability and long-lasting performance. Designed to meet manufacturer specifications. Easy to Install: Replaces 4 idler wheels and 2 drive gears. Opening and closing the unit is the most challenging part of installation. If disassembled carefully and reassembled according to labeling, parts will align properly for a secure fit. Product Features: Replace worn or damaged guide pulleys and gears to restore your Dolphin robots climbing and movement performance. Keep your pool cleaner operating like new and maintain optimal cleaning efficiency. Replacement Timing Tracks: Includes 2-pack replacement timing tracks. Replaces 12-inch x 12-inch x 1-inch (L x W x D) track with part number 3295-133 and alternate part number 9985006. Improved Performance: Worn tracks can lead to slow movement, reduced traction, and difficulty climbing pool walls. Replace before failure to maintain peak performance. These high-performance timing tracks help restore smooth and reliable operation. Compatibility: Designed for various Dolphin robotic pool cleaner models requiring 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: Light reflection and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm. Only the items listed are included.