Ford OEM Blue Spring Fuel Pressure Regulator Kit For 6.0L Powerstroke (2003-2007) – 3C3Z-9T517-AG

If you own a 2003-2007 Ford 6.0L Powerstroke, you've probably heard of the blue spring upgrade.

This is the genuine Ford OEM kit, part number 3C3Z-9T517-AG.

It's a direct replacement fuel pressure regulator that comes with the updated blue spring—known for fixing low fuel pressure issues and preventing injector problems.

Made in the USA, this kit includes all the mounting hardware you need.

It's a bolt-on fix that helps keep your fuel system healthy.

Fits F-250, F-350, F-450, F-550, and Excursion diesel models.

If you want better reliability from your 6.0, this blue spring kit is a must-do.

Simple install, big difference.