{"product_id":"standard-ignition-pr621-fuel-injection-pressure-regulator","title":"Standard Ignition PR621 Fuel Injection Pressure Regulator","description":"\u003ch2\u003eFuel Pressure Control for Mazda 3\u003c\/h2\u003e\u003cp\u003eStandard Ignition PR621 is a new fuel injection pressure regulator for gas systems with direct mounting and a stainless steel construction. It is built for 2014-2018 Mazda 3 applications and includes the regulator, washer, and mounting hardware for a direct replacement service.\u003c\/p\u003e\u003cp\u003eUse Standard Ignition PR621 when you need stable fuel pressure control on a 2014-2018 Mazda 3. The silver-finished steel regulator uses one inlet, one outlet, and a single port layout with no boost\/vacuum reference port and no adjustable setting.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number PR621 fuel injection pressure regulator\u003c\/li\u003e\n\u003cli\u003eFits 2014-2018 Mazda 3\u003c\/li\u003e\n\u003cli\u003eDirect mount design for straightforward replacement\u003c\/li\u003e\n\u003cli\u003eStainless steel construction with silver finish\u003c\/li\u003e\n\u003cli\u003eGas system regulator with one inlet, one outlet, and one port\u003c\/li\u003e\n\u003cli\u003eNew component with included washer and hardware\u003c\/li\u003e\n\u003cli\u003eNon-adjustable design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard Ignition PR621 is a fuel injection pressure regulator made for Mazda 3 models from 2014 through 2018. It is a direct-mount, new replacement part for gas fuel systems and is built with stainless steel and steel regulator materials for service in the fuel delivery system. The PR621 is configured without a boost or vacuum reference port and is intended for applications that call for a single-port regulator layout. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFuel pressure that is not staying within the expected range\u003c\/li\u003e\n\u003cli\u003eHard starting related to inconsistent fuel delivery\u003c\/li\u003e\n\u003cli\u003eRough idle caused by pressure regulation problems\u003c\/li\u003e\n\u003cli\u003eFuel system performance concerns on a Mazda 3\u003c\/li\u003e\n\u003cli\u003eReplacement needs for a worn or leaking regulator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the vehicle is a 2014-2018 Mazda 3 before ordering. Match the direct-mount layout, port count, and gas system configuration to the original part. Replace the included washer during installation and verify all fuel connections are clean and properly seated before returning the vehicle to service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition supplies this PR621 regulator as a new replacement component for fuel injection service. Its stainless steel construction and direct-fit design support consistent installation on the listed Mazda 3 applications.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52820768096437,"sku":"FBHK-PR621","price":57.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_PR621_Fro.jpg?v=1784527257","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-pr621-fuel-injection-pressure-regulator","provider":"PartCatalog","version":"1.0","type":"link"}