If your Horizon 3.1T treadmill belt is looking worn or slipping, don’t sweat it—we’ve got the perfect replacement. This pre-lubricated walking belt is designed specifically for the Horizon 3.1T model with serial number TM135. The best part? It comes with impregnated lubrication, so you don’t need to add any lube during installation. That means less maintenance and smoother runs right out of the box. The top surface is a durable Black Diamond PVC that provides great traction and durability. It features a finger-spliced, non-directional seam, so you can install it either way—no guesswork needed. Just match your model and serial number to be sure it fits. Whether you’re walking, jogging, or running, this belt delivers quiet, reliable performance. Perfect for home gyms where you want quality without the hassle. Keep your treadmill in top shape and get back to your routine with ease.
