{"product_id":"donaldson-p551807-oil-filter-heavy-duty-diesel","title":"Donaldson P551807 Oil Filter | Heavy-Duty Diesel","description":"\u003ch2\u003eDonaldson P551807 Heavy-Duty Diesel Oil Filter\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eDonaldson P551807 Oil Filter\u003c\/strong\u003e is a heavy-duty, full-flow spin-on engine oil filter designed to help keep engine oil clean and protect critical engine components from wear-causing contaminants. Its large filter element provides substantial contaminant-holding capacity for demanding diesel engine applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe P551807 uses \u003cstrong\u003ecellulose filter media\u003c\/strong\u003e and provides \u003cstrong\u003e99% filtration efficiency at 21 microns\u003c\/strong\u003e. Its internal support design helps maintain filter element integrity during cold-oil conditions, while the heavy-duty construction is designed for reliable performance across demanding operating conditions. citeturn0search1turn0search4\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis filter is used across a wide range of heavy-duty truck, diesel engine, construction, industrial, and off-highway applications. Published applications include qualifying \u003cstrong\u003eMack, Volvo, Caterpillar, Cummins, Freightliner, Peterbilt, Kenworth, and Ford\u003c\/strong\u003e applications. Always verify the engine, vehicle, OEM part number, or existing filter before ordering. citeturn0search1turn0search2\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDonaldson P551807 heavy-duty oil filter\u003c\/li\u003e\n\u003cli\u003eFull-flow engine oil filtration\u003c\/li\u003e\n\u003cli\u003eSpin-on filter design\u003c\/li\u003e\n\u003cli\u003e99% efficiency at 21 microns\u003c\/li\u003e\n\u003cli\u003eCellulose filter media\u003c\/li\u003e\n\u003cli\u003eLarge internal filter element volume\u003c\/li\u003e\n\u003cli\u003eHelps capture soot and abrasive contaminants\u003c\/li\u003e\n\u003cli\u003eHelps protect engine components from wear\u003c\/li\u003e\n\u003cli\u003eDesigned for demanding diesel applications\u003c\/li\u003e\n\u003cli\u003eHeavy-duty construction for reliable service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Donaldson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e P551807\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Type:\u003c\/strong\u003e Full-Flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Style:\u003c\/strong\u003e Spin-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia Type:\u003c\/strong\u003e Cellulose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltration Efficiency:\u003c\/strong\u003e 99% at 21 Microns\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 4.25 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 10.31 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1-1\/8-16 UN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket ID:\u003c\/strong\u003e 3.54 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket OD:\u003c\/strong\u003e 3.90 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\n\u003cp\u003e\nThe Donaldson P551807 is used in a broad range of heavy-duty diesel and equipment applications. Published application information includes:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMack MP7, MP8 and MP10 engines\u003c\/li\u003e\n\u003cli\u003eVolvo diesel engine applications\u003c\/li\u003e\n\u003cli\u003eCaterpillar engine applications\u003c\/li\u003e\n\u003cli\u003eCummins engine applications\u003c\/li\u003e\n\u003cli\u003eFreightliner applications\u003c\/li\u003e\n\u003cli\u003ePeterbilt applications\u003c\/li\u003e\n\u003cli\u003eKenworth applications\u003c\/li\u003e\n\u003cli\u003eFord F-650 and F-750 applications\u003c\/li\u003e\n\u003cli\u003eConstruction and earthmoving equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial and off-highway equipment\u003c\/li\u003e\n\u003cli\u003eFleet and commercial truck applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nDonaldson's published truck filtration guide specifically lists P551807 as a full-flow lube spin-on filter for qualifying \u003cstrong\u003eMack MP7, MP8 and MP10\u003c\/strong\u003e applications, while other application data identifies numerous additional truck and equipment applications. citeturn0search22turn0search1\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCross Reference Part Numbers\u003c\/h3\u003e\n\n\u003cp\u003e\nPublished cross-reference numbers for Donaldson P551807 include:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaterpillar:\u003c\/strong\u003e 1R1807\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e LF3973, LF17503\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFleetguard:\u003c\/strong\u003e LF3973, LF587\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaldwin:\u003c\/strong\u003e B7700, B7600, B7225\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWIX:\u003c\/strong\u003e 57791\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFram:\u003c\/strong\u003e PH9376\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuber-Finer:\u003c\/strong\u003e LFP3236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMack:\u003c\/strong\u003e 20539275, 21707136, 21939298, 485GB3236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo:\u003c\/strong\u003e 21707136, 478736, 85113942, 85114049\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAPA:\u003c\/strong\u003e 1788, 1791, 7791\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHengst:\u003c\/strong\u003e H362W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Guard:\u003c\/strong\u003e HG50097\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nCross-reference numbers are provided for identification purposes. Always verify the exact engine and filter application before ordering, as an interchange number does not by itself guarantee fitment. citeturn0search0turn0search1\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Replace Your Engine Oil Filter?\u003c\/h3\u003e\n\n\u003cp\u003e\nEngine oil carries contaminants produced during normal diesel engine operation. Over time, soot, dirt, metal particles, and other contaminants can accumulate in the lubricant. A properly maintained oil filter helps remove these contaminants before they circulate through critical engine components.\n\u003c\/p\u003e\n\n\u003cp\u003e\nReplacing the oil filter at the recommended service interval helps maintain oil cleanliness and supports proper lubrication and engine protection.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose Donaldson P551807?\u003c\/h3\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eDonaldson P551807\u003c\/strong\u003e combines a full-flow spin-on design with heavy-duty construction and 21-micron filtration efficiency. Its broad application range makes it a practical replacement filter for qualifying commercial trucks, diesel engines, construction equipment, and other demanding applications. citeturn0search2turn0search5\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#f8f8f8;padding:25px;border-left:4px solid #ff6a00;margin:25px 0;\"\u003e\n\u003ch3\u003e🔧 Complete Your Diesel Maintenance Service\u003c\/h3\u003e\n\n\u003cp\u003eKeep your engine maintenance service stocked with quality filtration, fluids, and shop supplies.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Donaldson Oil Filters\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Fuel\/Water Separators\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Diesel Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ Engine Assembly Lubricants\u003c\/li\u003e\n\u003cli\u003e✔ Shop Towels \u0026amp; Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Work Gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#fff7ef;padding:20px;border:1px solid #ffb366;border-radius:8px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ 15W-40 Heavy-Duty Diesel Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Fuel\/Water Separators\u003c\/li\u003e\n\u003cli\u003e✔ Engine Assembly Grease\u003c\/li\u003e\n\u003cli\u003e✔ WypAll® Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Shop Towels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eComplete your preventive maintenance service with quality filters, engine oils, lubricants, and professional shop supplies.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":67396563501101,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/p551807.700.700.jpg?v=1787428519","url":"https:\/\/performancedieselgroup.com\/products\/donaldson-p551807-oil-filter-heavy-duty-diesel","provider":"Performance Diesel Group","version":"1.0","type":"link"}