{"product_id":"donaldson-p551807-oil-filter","title":"Donaldson P551807 Oil Filter – Heavy Duty Full-Flow Lube Filter","description":"\u003ch2\u003eDonaldson P551807 Oil Filter\u003c\/h2\u003e\n\n\u003cp\u003e\nThe Donaldson P551807 oil filter is a premium heavy-duty full-flow lube filter designed to provide\nmaximum engine protection in demanding commercial and industrial applications. Built with high-quality\ncellulose filtration media, this filter effectively captures harmful contaminants while maintaining\nproper oil flow to critical engine components.\n\u003c\/p\u003e\n\n\u003cp\u003e\nEngineered for extended service intervals and heavy-duty operating conditions, the P551807 delivers\nreliable performance for Caterpillar, Mack, Volvo, and various diesel engine applications requiring\na high-capacity spin-on oil filter.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePremium full-flow spin-on oil filter\u003c\/li\u003e\n\n\u003cli\u003e99% efficiency at 21 microns\u003c\/li\u003e\n\n\u003cli\u003eHeavy-duty cellulose filtration media\u003c\/li\u003e\n\n\u003cli\u003eProtects critical engine components from wear\u003c\/li\u003e\n\n\u003cli\u003eDesigned for extended maintenance intervals\u003c\/li\u003e\n\n\u003cli\u003eExcellent cold-flow performance\u003c\/li\u003e\n\n\u003cli\u003eHeavy-duty construction for demanding applications\u003c\/li\u003e\n\n\u003cli\u003eOEM-quality fit and performance\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\u003ePart Number:\u003c\/strong\u003e P551807\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Donaldson\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eFilter Type:\u003c\/strong\u003e Lube \/ Oil Filter\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eFilter Style:\u003c\/strong\u003e Spin-On Full Flow\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMedia Type:\u003c\/strong\u003e Cellulose\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMicron Rating:\u003c\/strong\u003e 21 Micron Absolute\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 4.25 in\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 10.31 in\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1-1\/8\"-16\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Oil Filtration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cp\u003e\nCommonly used in Caterpillar, Mack, Volvo, construction equipment, heavy-duty trucks,\npower generation equipment, and industrial diesel engine applications requiring\nDonaldson P551807 oil filtration.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCross Reference\u003c\/h3\u003e\n\n\u003cp\u003e\nThis Donaldson P551807 oil filter replaces multiple OEM and aftermarket part numbers:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDonaldson:\u003c\/strong\u003e P551807\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eCaterpillar:\u003c\/strong\u003e 1R1807\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eFleetguard:\u003c\/strong\u003e LF3973\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eFleetguard:\u003c\/strong\u003e LF587\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eBaldwin:\u003c\/strong\u003e B7225\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eBaldwin:\u003c\/strong\u003e B7600\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eBaldwin:\u003c\/strong\u003e BT55610\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eLuber-Finer:\u003c\/strong\u003e LFP3236\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWIX:\u003c\/strong\u003e 57791\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eFRAM:\u003c\/strong\u003e PH9376\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMack:\u003c\/strong\u003e 21939298\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eVolvo:\u003c\/strong\u003e 20539275\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eVolvo:\u003c\/strong\u003e 21707136\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Replace Oil Filters?\u003c\/h3\u003e\n\n\u003cp\u003e\nEngine oil filters play a critical role in protecting internal engine components from harmful\ncontaminants. Replacing oil filters at recommended maintenance intervals helps extend engine life,\nmaintain oil quality, and reduce costly engine repairs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eProtect Your Engine Investment\u003c\/h3\u003e\n\n\u003cp\u003e\nHeavy-duty diesel engines operate under extreme conditions and require clean oil for maximum\nperformance and reliability. A high-quality oil filter helps maintain lubrication system efficiency\nand protects vital engine components from premature wear.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eHelps extend engine life\u003c\/li\u003e\n\n\u003cli\u003eCaptures harmful contaminants\u003c\/li\u003e\n\n\u003cli\u003eMaintains proper oil flow\u003c\/li\u003e\n\n\u003cli\u003eSupports extended service intervals\u003c\/li\u003e\n\n\u003cli\u003eIdeal for fleet preventive maintenance programs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose Donaldson?\u003c\/h3\u003e\n\n\u003cp\u003e\nDonaldson is one of the most trusted names in heavy-duty filtration. Their filters are engineered\nto meet or exceed OEM requirements and are used worldwide in commercial trucking, construction,\nagriculture, and industrial applications.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFitment Notice\u003c\/h3\u003e\n\n\u003cp\u003e\nVerify OEM filter numbers and application compatibility before ordering.\nContact us with your VIN, engine serial number, or equipment information for fitment confirmation.\n\u003c\/p\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":44778834853933,"sku":"P551807","price":22.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/DON-P551807-1.jpg?v=1775107369","url":"https:\/\/performancedieselgroup.com\/products\/donaldson-p551807-oil-filter","provider":"Performance Diesel Group","version":"1.0","type":"link"}