AA Ignition Fuel Pressure Regulator Kit for Ford 6.0L – Blue Spring Kit, Upgraded Spring & Seals, Direct-Fit

AA Ignition’s Fuel Pressure Regulator Kit restores and stabilizes fuel pressure for Ford 6.0L trucks, offering a direct-fit replacement for the 3C3Z-9T517-AG assembly.

This kit is engineered to address low or inconsistent fuel pressure that can cause hard starting, stalling, low power, and rough idling on compatible Ford models. It’s a plug-and-play component designed for technicians and DIYers who want a reliable, like-for-like replacement without extra modifications. Built with an upgraded regulator spring and improved seals, the kit aims to meet or exceed factory standards and comes with a lifetime warranty from AA Ignition for added peace of mind.

How does this regulator kit fix starting and performance problems?

When the fuel pressure regulator isn’t holding the correct pressure, injectors can be starved or flooded, leading to poor engine behavior. Replacing the regulator kit restores consistent pressure at the rail so the fuel delivery system can operate within designed tolerances.

• Restores steady fuel rail pressure to factory range
• Corrects symptoms like hard starts, stalling, and loss of power
• Includes upgraded spring and seals for improved longevity
• Direct-fit replacement—no cutting, drilling, or special tools required

Which Ford vehicles and part numbers does this kit work with?

This kit is intended as a direct replacement for the OE part number 3C3Z-9T517-AG and fits specific 6.0L Ford models of the early 2000s. Always cross-check your original part number and the full compatibility list to confirm fit before purchasing.

• Compatible: Ford Excursion (2003–2005)
• Compatible: Ford F-250 Super Duty (2003–2007)
• Compatible: Ford F-350 Super Duty (2003–2007)
• Match your OEM number (3C3Z-9T517-AG) to ensure correct fit

What makes this AA Ignition kit different from buying from a dealer?

Although not an OEM part, the kit is manufactured to fit like the factory component and uses improved internal parts to enhance performance. The included lifetime warranty from AA Ignition can reduce long-term ownership cost versus repeated dealer repairs or replacements.

• Engineered to meet or exceed original specifications
• Upgraded spring and seals for improved stability and service life
• Lifetime replacement warranty backed by the brand
• Lower cost than dealer parts while maintaining direct-fit convenience

How should I install and maintain the regulator kit?

Installation is intended to be straightforward: remove the old regulator assembly and replace it with the new kit using factory mounting points and connectors. For a complete repair and to protect the new regulator, replace the fuel filter at the same time and inspect fuel lines and fittings for wear.

• Plug-and-play direct-fit design—no modifications needed
• Recommended to replace fuel filter when installing the regulator
• Inspect hoses, clamps, and electrical connectors during service
• If unsure, have a qualified technician handle installation

Who is this for: This AA Ignition Fuel Pressure Regulator Kit is aimed at owners and mechanics working on Ford 6.0L Excursion, F-250 Super Duty, and F-350 Super Duty trucks from the 2003–2007 model years who need a dependable, direct-replacement regulator. It’s suited to drivers experiencing fuel pressure–related symptoms and to shops seeking an affordable alternative to dealer parts with a warranty for long-term coverage. Confirm your vehicle’s part number and compatibility before ordering to ensure a correct fit.