Here’s a fast, informative look at how Hyunsang Machinery's professional engineering team expertly replaces the 2304171 pulley for Caterpillar 140H, 143H, 14H, 160H, and 163H models. In this video, you'll see a detailed walkthrough of the replacement process, learn about the precision and quality of our aftermarket parts, and discover why our 20+ years of global experience make us a trusted partner for heavy machinery maintenance worldwide.