Is your Peterbilt's cab door not latching right, rattling, or hard to close? A worn-out striker bolt is a super common fix. This APPERFiT 2-pack gives you exactly what you need. These are direct replacements for the OEM part numbers HLK2127, R56-6017, and R566017. They're made from high-quality materials to withstand daily trucking life and match the original factory specs perfectly. Each pack includes two striker bolts, so you can do both the driver and passenger side doors at once. They fit 2005 and newer Peterbilt models including the 378, 379, 386, 387, 388, and 389. Installation is usually straightforward – just remove the old, worn pin and bolt this new one into place. Comes with a 1-year warranty for peace of mind. A simple, affordable repair that can make a huge difference in the security and feel of your cab doors.