{"product_id":"lf3970-oil-lube-filter-for-fleetguard-cummins-isb-qsb-5-9l-6-7l-diesel-engine-6","title":"LF3970 Oil Lube Filter for Fleetguard Cummins ISB QSB 5.9L 6.7L Diesel Engine 6","description":"\u003cstrong\u003eThis Oil Lube Filter pack of 6 is a direct replacement lubricant filter compatible with Cummins ISB, QSB 5.9L and 6.7L diesel engines and matches Fleetguard Part# LF3970.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e \u003cp\u003eThe 6X LF3970 Oil Lube Filter is a high-efficiency spin-on filter designed for Cummins ISB and QSB diesel engines. This oil lube filter removes soot, metal particles, and sludge from engine oil, protecting critical internal components. Each LF3970 oil filter meets strict filtration standards for heavy-duty on-highway and off-road applications.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSynthetic blend media captures fine contaminants down to micron level\u003c\/li\u003e \u003cli\u003eAnti-drainback valve prevents dry starts and maintains oil prime\u003c\/li\u003e \u003cli\u003eHigh-capacity pleated design extends service intervals\u003c\/li\u003e \u003cli\u003eRobust steel canister withstands high oil pressures in diesel engines\u003c\/li\u003e \u003cli\u003ePre-installed gasket ensures a positive seal and leak-free installation\u003c\/li\u003e \u003cli\u003eMeets or exceeds Fleetguard original filter specifications\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCummins ISB 5.9L diesel engine\u003c\/li\u003e \u003cli\u003eCummins ISB 6.7L diesel engine\u003c\/li\u003e \u003cli\u003eCummins QSB 5.9L diesel engine\u003c\/li\u003e \u003cli\u003eCummins QSB 6.7L diesel engine\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRoutine oil and filter changes on Cummins-powered trucks and equipment\u003c\/li\u003e \u003cli\u003eFleet preventive maintenance schedules\u003c\/li\u003e \u003cli\u003eEngine overhauls and initial start-up protection\u003c\/li\u003e \u003cli\u003eMarine, construction, and agricultural diesel engine service\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e LF3970\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 6 filters\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e Cummins ISB 5.9L, ISB 6.7L, QSB 5.9L, QSB 6.7L\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How often should I replace the LF3970 oil filter? \u003cstrong\u003eA:\u003c\/strong\u003e Follow the engine manufacturer’s recommended oil change interval—typically every 15,000–25,000 miles for on-highway use or per hours of operation for off-highway equipment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this filter compatible with synthetic diesel engine oils? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the filter media and construction are fully compatible with conventional, synthetic blend, and full synthetic diesel oils.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679734685969,"sku":"ZZ3A01006","price":123.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_99edafac-8f86-4b3f-bcff-a6a63f9a7056.jpg?v=1781654721","url":"https:\/\/www.duraforce.com\/products\/lf3970-oil-lube-filter-for-fleetguard-cummins-isb-qsb-5-9l-6-7l-diesel-engine-6","provider":"DURAFORCE","version":"1.0","type":"link"}