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Part record

6.0L Power Stroke Fuel Pressure Regulator "Blue Spring" Upgrade Kit

verified OEM PN3C3Z-9T517-AG BrandFord (blue spring) / aftermarket kit

All 2003-2007 6.0L (Excursion 2003-2005); E-Series 2004-2010 per aftermarket cross-references (same HFCM/regulator hardware) - the step-3 Ford catalog check listed pickups + 2003-2005 Excursion, so confirm the van application against the live catalog at order time. Ford 3C3Z-9T517-AG, catalogued as 'Kit - Pressure Regulator' and confirmed active in the Ford catalog. Contents per Ford: blue regulator spring + fuel pressure regulator cover seal + main keyhole gasket (a stock rebuild kit, not a high-flow part). Raises regulated fuel pressure to roughly 60-65 psi.

Where to buy

Not listed online at Dave's Auto Center yet. Ask Dave's Auto Center about this part, quoting part number 3C3Z-9T517-AG.