Replacement for part number 3884997-R6: Guide wheels and pulley kit compatible with Dolphin pool cleaners. This set includes 4 guide wheels and 2 pulleys designed for easy installation without the need for specialized tools, helping your pool cleaner operate efficiently.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 any model concerns, please directly.Durable Material: Made from high-quality PVC, these replacement parts are built to last and withstand regular use, ensuring reliable performance and extended service life. Helps maintain proper function of your pool cleaning system.Portable and Easy to Use: Compact design saves space and simplifies storage. Guide wheel dimensions: approximately 2.05 x 2.05 x 1.06 inches, inner diameter: approximately 1.18 inches. Pulley gear dimensions: approximately 2.24 x 2.24 x 1.57 inches. The guide wheels provide strong traction for improved climbing performance.Color: White Material: PVC Package Contents: 4 x Guide Wheels 2 x Pulley Gears Note: The package includes only the items listed above. Image color may vary slightly due to lighting and display differences. Measurement error allowance: +/- 1-3 cm.