Replacement for part number 3884997-R6: Guide wheels and pulley kit compatible with Dolphin pool cleaners. This set includes 4 guide wheels and 2 pulley gears, designed for easy installation without the need for special tools. Enhances the performance and efficiency of your pool cleaning robot. High Compatibility: Fits Dolphin Prowler 820, 830, Wave 50, Wave 75, Wave 90, Wave 2X2 Gyro, Quest, Premier, Plus, C5, 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. For model-specific questions, please contact the seller. Durable Construction: Made from high-quality PVC materials, these replacement parts are built to last and withstand regular use. Ensures smooth operation and reliable performance of your pool cleaning machine. Easy to Install: Simple replacement design allows for quick maintenance. The compact size makes storage convenient and does not require additional space. Package Includes: 4 x Guide Wheels 2 x Pulley Gears Guide Wheel Dimensions: 2.05 x 2.05 x 1.06 inches (outer), Inner Diameter: 1.18 inches Pulley Gear Dimensions: 2.24 x 2.24 x 1.57 inches Color: White Note: Image colors may vary slightly due to lighting and screen settings. Size may vary by +/- 1-3 cm due to manual measurement.