Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.

Knox Trailers · Hardware & Fasteners
10015
In stock · ships from Knoxville
A cotter pin is a simple wire-formed fastener with two prongs that spread apart after insertion.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It is used to lock a nut or bolt in place, preventing it from loosening due to vibration. This particular size, 1/8" diameter by 3/4" length, is suitable for pins and castle nuts with a hole diameter of approximately 0.141 inches. You replace it whenever a pin is removed or if it shows signs of corrosion, bending, or fatigue.
Part Number: 10015
COTTER PIN, 1/8X3/4 SS
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more