The Cat 309623 Spring is a genuine OEM replacement component designed to provide reliable performance across a wide range of Caterpillar heavy machinery. This essential spring ensures proper tension and function in critical assemblies, contributing to the smooth operation and longevity of equipment such as articulated trucks, asphalt pavers, backhoe loaders, cold planers, excavators, motor graders, track-type tractors, wheel loaders, and more. Manufactured to Caterpillar's exacting standards, the 309623 spring offers durability and precise fitment for optimal system integrity.