{"product_id":"donaldson-p550849-fuel-water-separator-cartridge","title":"Donaldson P550849 Fuel\/Water Separator | Cartridge","description":"\u003ch2\u003eDonaldson P550849 Fuel\/Water Separator Cartridge\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eDonaldson P550849 Fuel\/Water Separator Cartridge\u003c\/strong\u003e is a replacement cartridge designed to remove water and fine particulate contamination from diesel fuel. This heavy-duty fuel filter element is designed for use in compatible fuel\/water separator assemblies and is commonly used across commercial truck, diesel engine, and equipment applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe P550849 provides \u003cstrong\u003e99% efficiency at 7 microns\u003c\/strong\u003e and is tested according to \u003cstrong\u003eSAE J1985\u003c\/strong\u003e. Its cellulose and meltblown filter media helps capture contaminants while its water-separation capability helps protect the fuel system from damaging free water. citeturn0search23turn0search0\n\u003c\/p\u003e\n\n\u003cp\u003e\nBecause this is a \u003cstrong\u003ecartridge-style fuel\/water separator\u003c\/strong\u003e, the existing filter housing and bowl are retained while the internal filter element is replaced during service. Correct cartridge dimensions and seal positioning are important for proper installation and separator performance. citeturn0search0\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDonaldson P550849 fuel\/water separator cartridge\u003c\/li\u003e\n\u003cli\u003eDesigned for diesel fuel filtration and water separation\u003c\/li\u003e\n\u003cli\u003e99% efficiency at 7 microns\u003c\/li\u003e\n\u003cli\u003e95% emulsified water efficiency\u003c\/li\u003e\n\u003cli\u003eSAE J1985 efficiency test standard\u003c\/li\u003e\n\u003cli\u003eCartridge-style replacement element\u003c\/li\u003e\n\u003cli\u003eCellulose and meltblown filter media\u003c\/li\u003e\n\u003cli\u003eHelps protect fuel injectors and fuel system components\u003c\/li\u003e\n\u003cli\u003eDesigned for demanding diesel and heavy-duty applications\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 P550849\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fuel\/Water Separator Cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Style:\u003c\/strong\u003e Cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Water Separator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 99% at 7 Microns\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmulsified Water Efficiency:\u003c\/strong\u003e 95%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 4.21 in (107 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 0.66 in (16.8 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.76 in (171.7 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 7.03 in (178.6 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Cellulose, Meltblown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency Test Standard:\u003c\/strong\u003e SAE J1985\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 P550849 is used across a range of heavy-duty diesel and equipment applications. Published application information includes qualifying:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFreightliner applications\u003c\/li\u003e\n\u003cli\u003eInternational applications\u003c\/li\u003e\n\u003cli\u003eCummins engine applications\u003c\/li\u003e\n\u003cli\u003eHitachi equipment\u003c\/li\u003e\n\u003cli\u003eConstruction and industrial equipment\u003c\/li\u003e\n\u003cli\u003eHeavy-duty diesel fuel systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nDonaldson also lists the P550849 as primary fuel filtration for qualifying \u003cstrong\u003eCummins X15 and ISX engines\u003c\/strong\u003e, while other published application data identifies Freightliner, International, Hitachi, and additional equipment applications. citeturn0search22turn0search12\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 P550849 include:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFleetguard:\u003c\/strong\u003e FS19763, FS19764\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaldwin:\u003c\/strong\u003e PF7928, PF9814\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWIX:\u003c\/strong\u003e 33763, 33964\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAVCO:\u003c\/strong\u003e 102526, 102527\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAPA:\u003c\/strong\u003e 3763, 3964\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuber-Finer:\u003c\/strong\u003e L9763FXL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRAM:\u003c\/strong\u003e CS11023\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMANN \u0026amp; HUMMEL:\u003c\/strong\u003e P11001X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHIFI Filter:\u003c\/strong\u003e SN40612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHitachi:\u003c\/strong\u003e 4669642\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKomatsu:\u003c\/strong\u003e 79738773\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaterpillar:\u003c\/strong\u003e 3700572\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e RECFS1976300\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVMC:\u003c\/strong\u003e FS550849\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Cross-reference numbers are provided for identification purposes and should not be treated as a guaranteed direct replacement without verifying the application, dimensions, and filter specifications.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Replace Your Fuel\/Water Separator?\u003c\/h3\u003e\n\n\u003cp\u003e\nWater and particulate contamination can cause serious problems in modern diesel fuel systems. A properly maintained fuel\/water separator helps remove contaminants before they reach sensitive fuel system components such as injectors and high-pressure fuel pumps.\n\u003c\/p\u003e\n\n\u003cp\u003e\nReplacing the separator cartridge at the recommended service interval can help maintain fuel filtration performance, protect fuel system components, and reduce the risk of contamination-related downtime.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose Donaldson P550849?\u003c\/h3\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eDonaldson P550849\u003c\/strong\u003e is a heavy-duty fuel\/water separator cartridge designed for applications where effective particulate filtration and water separation are essential. With 99% efficiency at 7 microns and 95% emulsified water efficiency, it provides dependable filtration performance for qualifying diesel fuel systems. citeturn0search23\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 diesel fuel system protected with quality filtration and maintenance supplies.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Donaldson Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson Fuel\/Water Separators\u003c\/li\u003e\n\u003cli\u003e✔ Fleetguard Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Diesel Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ Shop Towels \u0026amp; Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Nitrile 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✔ Donaldson Heavy-Duty Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Fleetguard Fuel\/Water Separators\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Diesel Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ WypAll® Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Scott® Blue Shop Towels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eComplete your preventive maintenance service with professional filtration, fluids, cleaning products, and shop supplies.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":67392496566317,"sku":null,"price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/p550849.700.700.jpg?v=1787280081","url":"https:\/\/performancedieselgroup.com\/products\/donaldson-p550849-fuel-water-separator-cartridge","provider":"Performance Diesel Group","version":"1.0","type":"link"}