{"product_id":"donaldson-p554476-fuel-filter","title":"Donaldson P554476 Fuel Filter","description":"\u003ch2\u003eFuel Filtration for Mack Applications\u003c\/h2\u003e\u003cp\u003eDonaldson P554476 is a spin-on secondary fuel filter built for Mack fuel systems that use this application. It uses cellulose media and a 99% efficiency rating tested to SAE J1985 for consistent filtration performance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpin-on secondary fuel filter design\u003c\/li\u003e\n\u003cli\u003eCellulose filter media\u003c\/li\u003e\n\u003cli\u003e99% efficiency rating tested to SAE J1985\u003c\/li\u003e\n\u003cli\u003eM30 x 1.5 thread size\u003c\/li\u003e\n\u003cli\u003ePrimary application: Mack 483GB476M\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Donaldson P554476 is a secondary fuel filter for Mack CL and Mack CH applications. Its spin-on style supports straightforward service replacement, while the cellulose media and SAE J1985 efficiency testing provide a defined filtration standard for fuel system maintenance. This part number, P554476, is commonly referenced for Mack fuel filter service and cross-references to equivalent applications such as Baldwin BF7773 and Gates 33644.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or restricted secondary fuel filter\u003c\/li\u003e\n\u003cli\u003eRestoring fuel flow affected by contamination buildup\u003c\/li\u003e\n\u003cli\u003eAddressing hard-start or fuel delivery issues linked to filtration restriction\u003c\/li\u003e\n\u003cli\u003eSupporting routine fuel system maintenance on Mack CL and Mack CH trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify thread size, gasket dimensions, and application match before installation. Confirm the filter orientation and service interval against the vehicle’s maintenance requirements. Use clean fuel system practices during replacement to reduce contamination during service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDonaldson is a recognized filtration brand with products specified for demanding commercial vehicle applications. P554476 is built to a documented efficiency standard, giving buyers a clear filtration specification to compare during replacement selection.\u003c\/p\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":53621555560629,"sku":"BBNQ-P554476","price":42.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/VF_P554476_Fro.jpg?v=1793166139","url":"https:\/\/www.partcatalog.com\/products\/donaldson-p554476-fuel-filter","provider":"PartCatalog","version":"1.0","type":"link"}