H.F Exchange Motor Drive Belt 28.5" Poly Ribs High Strength Rubber Good Tension V-Belts Micro V Treadmill Motor Belt OEM Equipment Replacement Part 130-1629 Works with Star Trac 4221 TR3900

It is OEM equivalent.To ensure the perfect fit for your machine, please measure the V-belt's circumference and number of V ribs. This will help us provide you with the correct belt length. If no measurements are provided, a default belt will be sent. Please check compatibility options in below. Used on the following models:Star Trac4221-SUSAPO 9-4032-BUSAP0 9-4512-BUSAP0 (TR4500, CONT HR, 220V, BLK, USA) TR1800 - 9-1821-BUSAP0 - Black (Lxxxxx) TR3900 Series TR4000 Pre-Soft TR4000 PreSoftmill - 9-4011-BUSAP0 - Grey (4xxxxx) TR4000 PreSoftmill - 9-4031-GUSAP0 - Grey (4xxxxx) TR4000 Softmill TR4200 - 9-4221-SJPNP0 TR4500 - 9-4532-BUSAP0 (Dxxxxx) TR4500 2.5hp - 9-4531-BUSAP0 TR4500 Series

• Our motor drive belt, part # 130-1629, is a versatile option compatible with various treadmill brand such as Star Trac. It is specifically designed to work with models like 4221-SUSAPO, TR3900 Series, TR4000 Softmill, TR4500 - 9-4532-BUSAP0 (Dxxxxx), TR4500 Series. For additional compatibility options, please refer to the description.
• Our motor drive belt is made from high-strength rubber, designed to withstand the rigorous demands of treadmill workouts. Its durable construction ensures that it can handle continuous use without compromising its functionality. With our replacement drive belt, you can trust that your treadmill will operate smoothly and efficiently.
• One of the notable features of our motor drive belt is its poly rib or poly V design. This design incorporates multiples ribs on the inner side of the belt, allowing for enhanced grip and power transfer. The poly rib or poly V motor drive belt ensures a smooth and consistent operation, minimizing vibration and maximizing energy efficiency. Additionally, its flexibility and easy installation make it a popular choice among treadmill owners.
• For those seeking even greater flexibility and performance, our flexonic motor drive belt is an excellent option. Made from a unique elastic material, the flexonic Micro V belt offers exceptional flexibility and stretch resistance. It maintains optimal tension during intense workouts, preventing slippage and ensuring a secure grip between the motor and the treadmill's belt.
• Choose our motor drive belt and experience the difference in your workout routine. Locate your Model Name & Model (Icon)/ Serial (All Other Manufacturers) Number. Then find the information in product description. For Serial Numbers the first 2-5 characters will suffice. Please check compatibility options in description. If you are uncomfortable with diagnosing and treating your machine with the RIGHT replacement parts we can recommend a fitness technician in your area via zip code