Replacement for part number 3884997-R6: Guide wheels and pulley kit designed as a direct replacement for Dolphin Pool Cleaner models. This set includes 4 guide wheels and 2 pulley gears, compatible with various Dolphin pool cleaners such as 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, and Heavy Duty robotic pool cleaners. Made from durable PVC material, these replacement parts are built to last and help maintain optimal performance of your pool cleaning machine. The guide wheels feature strong climbing ability and are easy to install without the need for special tools. Compact design ensures convenient storage and handling. Guide wheel dimensions: approximately 2.05 x 2.05 x 1.06 inches, with an inner diameter of about 1.18 inches. Pulley gear dimensions: approximately 2.24 x 2.24 x 1.57 inches. Color: White Package Contents: 4 x Guide Wheels 2 x Pulley Gears Note: The actual product color may vary slightly due to lighting and screen display differences. Measurement tolerances may vary by +/- 1-3 cm.