Ford FL3Z-16A455-CB Running Board End Cap Assembly

The Ford FL3Z-16A455-CB is a genuine OEM rear running board end cap designed for the passenger side (right) of the vehicle. It serves as a protective cover for the running board step assembly, shielding internal components from road debris, moisture, and impact. The component is manufactured to Ford engineering standards using injection-molded ABS plastic for durability and environmental resistance in exterior applications. This part fits 2015 through 2024 model year Ford F-150, Expedition, F-250 Super Duty, F-350 Super Duty, and F-550 Super Duty models equipped with factory running boards. It supersedes or cross-references part numbers FL3Z-16A455-CA and FL3Z-16A455-BA. Installation is a direct replacement requiring no modification. VIN verification is recommended for exact fitment confirmation.