{"product_id":"cummins-fleetguard-lf14000nn-lube-filter-for-qst30-isx15-pack-of-1-high-capacity-direct-fit-oil-filter","title":"Cummins Fleetguard LF14000NN Lube Filter for QST30 \u0026 ISX15 — Pack of 1, High‑Capacity Direct‑Fit Oil Filter","description":"\u003cp\u003e\u003cstrong\u003eThe Cummins LF14000NN Fleetguard lube filter is a high-capacity replacement oil filter engineered for Cummins QST30 and ISX15 diesel engines, delivering reliable contaminant capture and service compatibility.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Fleetguard LF14000NN is designed as a direct-fit lubrication filter for heavy-duty Cummins applications, cross-referenced with DBL7900, P559000, and BD50000. With a robust construction and metric thread form, it provides the filtration area and sealing dimensions needed for demanding commercial and industrial duty cycles. The details below explain how it fits, what to expect during installation, and which engines and part numbers it replaces.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the LF14000NN match my Cummins engine?\u003c\/h3\u003e\n\u003cp\u003eThe LF14000NN is specified for Cummins QST30 and ISX15 engines and aligns with original equipment geometry and thread specifications. It replaces several cross-reference part numbers so you can swap it into existing service intervals without modifying the engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrimary application: Cummins part 4367100.\u003c\/li\u003e\n  \u003cli\u003eCross references: DBL7900, P559000, BD50000.\u003c\/li\u003e\n  \u003cli\u003eDesigned for QST30 and ISX15 series heavy-duty engines.\u003c\/li\u003e\n  \u003cli\u003eDirect-fit replacement — no adapter required when matched to compatible housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key physical and thread specifications?\u003c\/h3\u003e\n\u003cp\u003eUnderstanding the LF14000NN’s dimensions helps confirm fit and seal integrity during installation. The filter uses a metric thread and includes gasket and outer diameters sized to match the filter housing face.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOverall height: 294.69 mm (11.602 in).\u003c\/li\u003e\n  \u003cli\u003eLargest outside diameter \/ gasket OD: 120.3 mm (4.736 in).\u003c\/li\u003e\n  \u003cli\u003eThread diameter: 95 mm (3.74 in); thread pitch: 2.5 mm (0.098 in).\u003c\/li\u003e\n  \u003cli\u003eThread class: 7H; thread form: metric.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and operational features should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe LF14000NN incorporates standard lube-filter features for heavy-duty service: a durable casing, correct sealing flange, and filtering media sized for engine oil contamination control. It does not include a bypass standpipe or specified BPV setting in its published data, so confirm system requirements before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo standpipe included; verify engine housing design before fitment.\u003c\/li\u003e\n  \u003cli\u003eBPV setting not specified—use with compatible housings or OEM-recommended valves.\u003c\/li\u003e\n  \u003cli\u003eRobust construction suited to long intervals typical of heavy-duty fleets.\u003c\/li\u003e\n  \u003cli\u003ePack quantity: 1 filter per purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Cummins LF14000NN Fleetguard lube filter is intended for fleet managers, technicians, and operators maintaining Cummins QST30 or ISX15 diesel engines who need a reliable, direct-fit oil filter. It works well for heavy trucks, generators, and industrial equipment that require OEM-equivalent filtration performance and specific metric thread fitment. Confirm cross-reference numbers and physical measurements against your engine’s service manual or existing filter to ensure compatibility before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Cummins engines use the LF14000NN?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The LF14000NN fits Cummins QST30 and ISX15 engines and is referenced to Cummins part 4367100.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this filter include a bypass valve or standpipe?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Published specs list no standpipe and no BPV setting; verify your engine housing requirements before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":48079849586846,"sku":"B07WJRRRB5","price":72.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/cummins-lf14000nn-front-view.jpg?v=1785772843","url":"https:\/\/northtrailauto.ca\/products\/cummins-fleetguard-lf14000nn-lube-filter-for-qst30-isx15-pack-of-1-high-capacity-direct-fit-oil-filter","provider":"North Trail Auto","version":"1.0","type":"link"}