{"product_id":"donaldson-p550737-fuel-filter","title":"Donaldson P550737 Fuel Filter","description":"\u003ch2\u003eFuel Water Separator Cartridge\u003c\/h2\u003e\u003cp\u003eDonaldson P550737 is a cartridge-style fuel filter and water separator built for heavy-duty diesel fuel systems. It is used in a wide range of Kenworth, International, and Peterbilt applications where fuel cleanliness and water removal are critical.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCartridge-style fuel filter and water separator for diesel fuel systems\u003c\/li\u003e\n\u003cli\u003eCellulose and silicone media for filtration and water separation performance\u003c\/li\u003e\n\u003cli\u003e99% efficiency at 40 microns, tested to SAE J1488 and J1985\u003c\/li\u003e\n\u003cli\u003e95% emulsified water efficiency for moisture control in fuel\u003c\/li\u003e\n\u003cli\u003eCollapse burst rating of 5.5 for demanding service conditions\u003c\/li\u003e\n\u003cli\u003ePart number P550737 for direct identification and ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Details\u003c\/h2\u003e\u003cp\u003eCompatible with Kenworth T680, Kenworth C500, Kenworth T700, and Kenworth T2000, as well as International 9900i, ProStar, 5500i, 5600i, 9200i SBA, 9900ix, 9900i SFA, 9900ix SFA, and Peterbilt 387, 357, 385, 320, 378, 379, and 362 applications. This fuel filter water separator cartridge is specified across model years from 1999 through 2025, depending on the truck platform. P550737 is a practical replacement choice for fleets and owners maintaining diesel fuel system protection on Kenworth, International, and Peterbilt equipment.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRemoving contaminants from diesel fuel before they reach the engine\u003c\/li\u003e\n\u003cli\u003eSeparating water from fuel to reduce moisture-related fuel system issues\u003c\/li\u003e\n\u003cli\u003eSupporting consistent fuel delivery in heavy-duty truck service\u003c\/li\u003e\n\u003cli\u003eReplacing a worn or restricted fuel filter cartridge\u003c\/li\u003e\n\u003cli\u003eMaintaining filtration performance in commercial diesel applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the filter style, dimensions, and application notes before installation. Confirm the cartridge matches the existing fuel water separator housing and follow the vehicle service procedure for priming and leak checks after replacement. Use the part number P550737 to confirm the correct service part for the application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDonaldson specifies this filter using SAE J1488 and J1985 test standards, with published efficiency and burst-performance data for application matching. Cross-reference part numbers include Baldwin PF7755 and Gates 33657 for the same application.\u003c\/p\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":53621591343285,"sku":"BBNQ-P550737","price":45.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/VF_P550737_Fro.jpg?v=1793168597","url":"https:\/\/www.partcatalog.com\/products\/donaldson-p550737-fuel-filter","provider":"PartCatalog","version":"1.0","type":"link"}