{"product_id":"dorman-904-577-fuel-injection-pressure-regulator","title":"Dorman 904-577 Fuel Injection Pressure Regulator","description":"\u003ch2\u003eReliable Fuel Injection Pressure Regulator for Chevrolet and GMC\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-577 fuel injection pressure regulator is designed to maintain consistent fuel pressure in common rail fuel systems. Engineered with durable metal construction, this regulator is compatible with select Chevrolet and GMC heavy-duty trucks and vans, ensuring stable fuel delivery under various operating conditions.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman 904-577 Fuel Pressure Regulator\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstructed from metal for durability and long service life\u003c\/li\u003e\n\u003cli\u003eMaximum pressure reading of 50 psi for accurate fuel regulation\u003c\/li\u003e\n\u003cli\u003eInlet port diameter of 0.12 inches with female threaded attachment\u003c\/li\u003e\n\u003cli\u003eFour outlet ports with 0.093 inch diameter, bolt-on attachment type\u003c\/li\u003e\n\u003cli\u003eNon-flanged inlet and outlet types for secure connections\u003c\/li\u003e\n\u003cli\u003eCompatible with common rail fuel injection systems\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for reliable performance\u003c\/li\u003e\n\u003cli\u003eIncludes one fuel pressure regulator per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Fuel Injection Pressure Regulator\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-577 fuel injection pressure regulator is engineered to provide precise fuel pressure control in common rail systems found in Chevrolet Express 2500, Express 3500, GMC Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models. Its metal construction ensures resistance to wear and corrosion, while the non-flanged inlet and outlet ports with female threaded and bolt-on attachments provide secure and leak-free connections. The regulator maintains a maximum pressure reading of 50 psi, supporting optimal engine performance and fuel efficiency. This part is a standard replacement unit designed to meet OEM specifications without adjustable fuel pressure or boost\/vacuum reference ports, simplifying installation and operation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaintains consistent fuel pressure in common rail fuel injection systems\u003c\/li\u003e\n\u003cli\u003ePrevents fuel pressure fluctuations that can cause engine hesitation or stalling\u003c\/li\u003e\n\u003cli\u003eResolves issues related to poor fuel economy due to incorrect fuel pressure\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling caused by unstable fuel delivery\u003c\/li\u003e\n\u003cli\u003eHelps avoid engine misfires linked to fuel pressure irregularities\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 904-577 fuel injection pressure regulator, ensure the inlet and outlet ports align correctly with the vehicle’s fuel system connections. The inlet features female threaded attachment, while the outlet uses a bolt-on type, so appropriate tools are required for secure mounting. Since this is a standard replacement part without adjustable pressure or boost\/vacuum reference ports, no additional calibration is necessary. Verify fuel system compatibility with the specified Chevrolet and GMC models before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 904-577 fuel injection pressure regulator to meet industry standards for durability and performance. This part is designed as a standard replacement component, ensuring reliable operation within the specified pressure range. While specific warranty details are not provided, Dorman products typically adhere to quality control processes to support vehicle maintenance and repair needs.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52111224144053,"sku":"BKKY-904-577","price":107.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904577_Fro.jpg?v=1775160518","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-577-fuel-injection-pressure-regulator","provider":"PartCatalog","version":"1.0","type":"link"}