UltraDrive CAT 259B3 279C~299C Series OEM Replacement 304-1878:536-3551

Ultra Track Front Idlers – Maintain Track Tension and Smooth Operation. A properly functioning front idler is key to keeping your rubber track tight and correctly aligned. If the track appears loose even with the tensioner fully extended, the front idler may be worn down and due for replacement. As idlers lose diameter over time, they reduce effective tension, which can impact track performance and stability.

Aftermarket Replacement Part

This product is an aftermarket replacement engineered to meet fit and performance requirements for compatible equipment models. It is not manufactured, endorsed, or affiliated with any original equipment manufacturers (OEMs). Compatibility references are provided for identification purposes only.