[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, and other compatible robotic pool cleaners. [High-Quality Replacement] If you own a Dolphin pool cleaning machine, this part is an essential replacement. Made of high-quality materials and built to meet manufacturer specifications for durability and performance. [Easy to Use] Designed for Dolphin Premier robotic pool cleaner. Replace 4 idler wheels and 2 drive gears. Opening and closing the unit is the most challenging part of the repair. If disassembled carefully and reassembled according to labeling, the parts will align properly for a secure fit. [Product Features] When the old gears on your Dolphin robot begin to wear or break, or if pulley components fail during operation, it's time to replace them. Installing new guide wheels and pulley gears restores climbing and cleaning performance, making your Dolphin pool cleaner operate like new. Keep your pool cleaner in optimal condition with routine maintenance. 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 poor movement, reduced traction on pool surfaces, and difficulty climbing walls. Prevent malfunctions by proactively replacing worn tracks with high-performance replacements. COMPATIBLE WITH NUMEROUS DOLPHIN ROBOTIC POOL CLEANER MODELS – Ideal for models requiring two tracks (one per 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 product 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.