[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] This replacement part is essential for owners of Dolphin pool cleaning machines. Made from high-quality materials, it ensures durability and reliable performance after rigorous testing by the manufacturer. [Easy to Use] Designed 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 disassembled carefully and reassembled according to labeling, the components will align properly for a perfect fit. [Product Features] When the old gears on your Dolphin robot begin to break or wear out, especially the pulleys used during movement and wall climbing, it's time to replace them. Installing new guide pulleys and gears restores your robot’s climbing and cleaning performance like new. Keep your Dolphin pool cleaner operating at peak condition. REPLACEMENT POOL CLEANER TIMING TRACK – Maintain optimal 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 reduced mobility, poor traction on pool surfaces, and difficulty climbing walls. Avoid 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 image and the actual item. Measurement error allowance is +/- 1-3 cm.