{"product_id":"aa-ignition-fuel-pressure-regulator-kit-for-ford-6-0l-diesel-blue-6-0-spring-direct-fit-replacement-2003-2007","title":"AA Ignition Fuel Pressure Regulator Kit for Ford 6.0L Diesel - Blue 6.0 Spring, Direct-Fit Replacement (2003–2007)","description":"\u003cp\u003e\u003cstrong\u003eAA Ignition's Fuel Pressure Regulator Kit with the blue 6.0 spring is a direct-fit replacement that restores stable fuel pressure to 2003–2007 Ford 6.0L diesel applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit replaces part number 3C3Z-9T517-AG and addresses symptoms caused by low or inconsistent fuel pressure—such as hard starting, stalling, reduced power and rough idling—by providing a plug-and-play regulator with upgraded spring and seals. It’s engineered to match factory dimensions and mounting points for Ford Excursion (2003–2005) and Ford F-250\/F-350 Super Duty (2003–2007). Backed by AA Ignition’s lifetime warranty, the kit aims to deliver reliable performance without needing modifications.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this regulator kit improve engine starting and idle?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn or leaking regulator re-establishes correct fuel pressure at the injectors, which helps the engine receive the correct fuel volume during startup and idle. With stable pressure, combustion timing and fuel delivery are more consistent, reducing rough running and hard starts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit replacement of 3C3Z-9T517-AG for easy swap\u003c\/li\u003e\n  \u003cli\u003eUpgraded blue 6.0 spring for improved pressure stability\u003c\/li\u003e\n  \u003cli\u003eNew seals to prevent leaks that cause pressure loss\u003c\/li\u003e\n  \u003cli\u003eWorks with existing fuel lines and mounting points—no cutting or adapters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my Ford Excursion or Super Duty truck?\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed specifically for Ford Excursion 2003–2005 and F-250\/F-350 Super Duty 2003–2007 6.0L diesel models. Always compare the part number on your current regulator—3C3Z-9T517-AG or compatible cross-reference—to confirm compatibility before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntended for 2003–2005 Excursion and 2003–2007 F-250\/F-350 6.0L diesels\u003c\/li\u003e\n  \u003cli\u003eCross-references OEM part number 3C3Z-9T517-AG for verification\u003c\/li\u003e\n  \u003cli\u003eCheck the full compatibility chart or vehicle VIN for exact fit confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the kit and what should I replace at the same time?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes the fuel pressure regulator assembly with the blue 6.0 spring and replacement seals. For the most reliable repair, replace the fuel filter concurrently to prevent contaminants or a clogged filter from masking pressure issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRegulator assembly with upgraded spring and new seals included\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play design uses existing fuel lines and hardware\u003c\/li\u003e\n  \u003cli\u003eRecommended to change fuel filter during installation for best results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDoes this kit meet OEM standards and what warranty is offered?\u003c\/h3\u003e\n\u003cp\u003eWhile not a genuine OEM component, the kit is manufactured to match factory fit and function with improved internal components for durability. AA Ignition supports this product with a lifetime warranty—contact them for replacement if the kit fails under normal use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered to OEM dimensions and mounting points\u003c\/li\u003e\n  \u003cli\u003eImproved spring and seals for longer-lasting pressure control\u003c\/li\u003e\n  \u003cli\u003eLifetime warranty backed by AA Ignition for peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This fuel pressure regulator kit is aimed at owners and technicians servicing 6.0L Ford diesel trucks—particularly those experiencing hard starting, stalling, low power or unstable idle—who need a reliable, direct-fit replacement that matches OEM fitment and simplifies installation. It’s a practical upgrade for DIY mechanics, independent shops, and fleet maintenance teams seeking a durable replacement backed by warranty support.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit replace part number 3C3Z-9T517-AG?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, this AA Ignition kit is a direct replacement for OEM part 3C3Z-9T517-AG.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this regulator a direct-fit or does it need modifications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s a plug-and-play direct-fit—no modifications required when used on compatible Ford models.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AA Ignition","offers":[{"title":"Default Title","offer_id":48084837597342,"sku":"B071RS785S","price":38.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/aa-ignition-regulator-front-view.jpg?v=1785863140","url":"https:\/\/northtrailauto.ca\/products\/aa-ignition-fuel-pressure-regulator-kit-for-ford-6-0l-diesel-blue-6-0-spring-direct-fit-replacement-2003-2007","provider":"North Trail Auto","version":"1.0","type":"link"}