Cotter pins, also known as split pins or cotter keys, are used to hold pins, drilled bolts or castle nuts in place. Check the product details to make sure you have the right size and quantity for what you need.

Cotter Pins - 5/32 in. x 2 in. (M4 x 51mm) 135-520 Features:

• Universal application; verify fitment using vehicle specifications
• Direct replacement — these cotter pins, also known as split pins or cotter keys, are designed for a variety of purposes, including replacing the factory-installed pins on vehicles
• Secure components — engineered to reliably hold pins, drilled bolts or castle nuts in place, such as when the original cotter pins are damaged or missing, or when a single-use pin needs replacement
• Various options — these pins are available in several sizes and quantities; check the product details to ensure you have the right pins for the job
• Trustworthy quality — backed by a team of product experts in the United States and more than a century of automotive experience