Cotter Pins

Cotter pins are essential fasteners used across various automotive applications, providing a simple yet effective method for securing components. Often referred to interchangeably as split pins, these small but crucial parts are designed to prevent the loosening or separation of nuts, bolts, and other connections under vibration or load. Understanding the different cotter pin types is important for proper vehicle maintenance and repair, as their specific designs cater to various needs, from securing castle nuts on axle assemblies to holding clevis pins in place. Beyond their common role in mechanical linkages, specialized applications like car hood pins also utilize similar principles to secure vehicle hoods. When searching online for automotive fasteners, many people look for "cotter pins," "split pin," or even "hood pins" for related solutions.