{"product_id":"donaldson-p550788-engine-oil-filter","title":"Donaldson P550788 Engine Oil Filter","description":"\u003ch2\u003eEngine Oil Filter Overview\u003c\/h2\u003e\u003cp\u003eDonaldson P550788 is a spin-on, full-flow engine oil filter built for heavy-duty lubrication systems. It uses cellulose media and is specified for applications that require a 1 1\/2-16 UN thread and a large canister format.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpin-on full-flow design for straightforward oil filtration service.\u003c\/li\u003e\n\u003cli\u003eCellulose filter media for standard contaminant capture.\u003c\/li\u003e\n\u003cli\u003eISO 16889 efficiency testing standard listed for performance reference.\u003c\/li\u003e\n\u003cli\u003eCollapse burst rating of 10.3 for structural strength specification.\u003c\/li\u003e\n\u003cli\u003eDimensions and gasket sizing are listed for application matching.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cp\u003eCompatible with 2008-2011 Peterbilt 365, lube filter, spin-on full flow. This part cross-references Baldwin B7402 and Gates 51801 for the same application. The Donaldson P550788 is also referenced by interchange numbers 1801, 2492347, L45923, LF3472, and SO3472.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOil contamination buildup in the lubrication circuit.\u003c\/li\u003e\n\u003cli\u003eRestricted oil flow caused by a loaded filter element.\u003c\/li\u003e\n\u003cli\u003eService intervals that require a replacement spin-on filter.\u003c\/li\u003e\n\u003cli\u003eFitment matching for the correct thread, gasket, and canister dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the thread size, gasket dimensions, outer diameter, and length against the original filter before installation. Confirm the application is a full-flow, spin-on oil filter and match the listed fitment for Peterbilt 365 models before service. Follow the engine manufacturer’s oil change and filter replacement procedure.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDonaldson lists this filter with ISO 16889 efficiency testing and a specified collapse burst rating for application verification. Use the part number P550788 to confirm the correct replacement before installation.\u003c\/p\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":53621615984821,"sku":"BBNQ-P550788","price":64.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/VF_P550788_Fro.jpg?v=1793170616","url":"https:\/\/www.partcatalog.com\/products\/donaldson-p550788-engine-oil-filter","provider":"PartCatalog","version":"1.0","type":"link"}