{"product_id":"standard-ignition-pr439-fuel-injection-pressure-regulator","title":"Standard Ignition PR439 Fuel Injection Pressure Regulator","description":"\u003ch2\u003eOverview of Standard Ignition PR439 Fuel Injection Pressure Regulator\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition PR439 is a new, adjustable fuel injection pressure regulator designed specifically for diesel engines. Engineered for compatibility with Chevrolet and GMC heavy-duty trucks, this regulator ensures precise fuel pressure control for optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdjustable fuel pressure regulator for diesel engines\u003c\/li\u003e\n\u003cli\u003eConstructed from durable steel with a silver finish\u003c\/li\u003e\n\u003cli\u003eReturnless type regulator with one inlet and one outlet\u003c\/li\u003e\n\u003cli\u003eBolt mount installation with included o-ring and caution sheet\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition PR439 fuel injection pressure regulator is designed to maintain consistent fuel pressure in diesel fuel injection systems. Its adjustable feature allows fine-tuning to meet specific engine requirements, improving fuel delivery accuracy. Made from steel with a corrosion-resistant silver finish, this regulator is built to withstand the demanding conditions of heavy-duty trucks. The returnless design helps reduce fuel vapor emissions by regulating pressure without a return line. The unit mounts securely using a bolt mount system and includes an o-ring to ensure a proper seal during installation. This part is new and comes with a caution sheet to guide safe handling and installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis fuel injection pressure regulator is compatible with select Chevrolet and GMC diesel trucks, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesigned specifically for these models, the PR439 helps maintain proper fuel pressure for reliable engine operation and fuel efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by PR439\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent fuel pressure causing engine performance problems\u003c\/li\u003e\n\u003cli\u003eFuel delivery irregularities leading to rough idling or stalling\u003c\/li\u003e\n\u003cli\u003eExcessive fuel vapor emissions due to faulty pressure regulation\u003c\/li\u003e\n\u003cli\u003eFuel leaks or pressure drops from worn or damaged regulators\u003c\/li\u003e\n\u003cli\u003eDifficulty maintaining optimal fuel pressure in diesel injection systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before beginning installation\u003c\/li\u003e\n\u003cli\u003eUse the included o-ring to prevent fuel leaks and ensure a tight seal\u003c\/li\u003e\n\u003cli\u003eFollow the caution sheet instructions carefully for safe handling\u003c\/li\u003e\n\u003cli\u003eVerify bolt mount points on the vehicle match the regulator’s mounting type\u003c\/li\u003e\n\u003cli\u003eAdjust the regulator pressure settings as needed for your specific engine requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition PR439 is a new, high-quality replacement part manufactured to meet or exceed OEM specifications. Constructed from durable steel with a corrosion-resistant finish, it is designed for long-lasting performance in heavy-duty diesel applications. While specific warranty details may vary, Standard Ignition parts typically come with a limited warranty against defects in materials and workmanship to provide confidence in your purchase.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44696490770613,"sku":"FBHK-PR439","price":224.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_PR439_Fro.jpg?v=1775081888","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-pr439-fuel-injection-pressure-regulator","provider":"PartCatalog","version":"1.0","type":"link"}