{"product_id":"cat-1r-1808-oil-filter-pack-of-2-spin-on-heavy-duty-engine-filter-high-efficiency-media","title":"CAT 1R-1808 Oil Filter Pack of 2 — Spin-On Heavy-Duty Engine Filter, High-Efficiency Media","description":"\u003cp\u003e\u003cstrong\u003eThe CAT 1R-1808 (1R1808) oil filter is a spin-on replacement designed to protect heavy-duty Cat diesel engines and equipment by removing contaminants and supporting consistent oil flow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis two-pack of genuine CAT 1R-1808 filters is built for demanding service intervals and high-contamination environments typical of construction, mining, marine, and industrial applications. The cartridge uses a robust media and a secure spin-on design to help maintain oil cleanliness across a wide range of Caterpillar engines and allied equipment. Cross-references to common Fleetguard part numbers make sourcing and fleet servicing straightforward.\u003c\/p\u003e\n\n\u003ch3\u003eWhich machines and engines work with the 1R-1808?\u003c\/h3\u003e\n\u003cp\u003eThe 1R-1808 fits many Cat machine families and several industrial engine models. It is compatible with wheel loaders, excavators, graders, dozers, trucks, generators, marine engines, and more—covering both on- and off-highway applications. Consult your equipment manual or parts guide to confirm fitment for your serial number.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon machine matches: 988K, 349E, 834K, 651, 623K, 771D, 775D\u003c\/li\u003e\n  \u003cli\u003eEngine matches: 3406B, 3408, C9, C13, 3412, 3176\u003c\/li\u003e\n  \u003cli\u003eGenerator and marine sets: C32, SR4, 3408B, 3412\u003c\/li\u003e\n  \u003cli\u003eAlso cross-references Fleetguard LF691A, LF3566, LF9691A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this filter help protect my engine during heavy use?\u003c\/h3\u003e\n\u003cp\u003eThe 1R-1808 uses a durable filter media and a precision seal to capture particulate and limit bypass under high-flow conditions. That reduces abrasive wear on internal components and supports stable oil pressure during continuous operation. The spin-on format simplifies replacement during routine service stops.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced efficiency media to trap fine contaminants\u003c\/li\u003e\n  \u003cli\u003eSpin-on installation for quick, leak-resistant changeouts\u003c\/li\u003e\n  \u003cli\u003eDesigned for sustained flow and pressure in heavy-duty duty cycles\u003c\/li\u003e\n  \u003cli\u003eDurable construction for vibration and shock resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect when replacing and maintaining the 1R-1808?\u003c\/h3\u003e\n\u003cp\u003eReplacing the 1R-1808 is straightforward: drain or isolate oil if needed, unthread the old filter, inspect mating surfaces, install the new filter and torque to specification. Regular replacement according to service intervals or operating conditions helps preserve oil cleanliness and prolongs engine life. Keep a record of dates and hours to optimize change intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpin-on removal: unscrew old filter, clean mount surface\u003c\/li\u003e\n  \u003cli\u003eLubricate gasket lightly and hand-tighten per spec\u003c\/li\u003e\n  \u003cli\u003eReplace at manufacturer-recommended hours or sooner in dusty\/wet environments\u003c\/li\u003e\n  \u003cli\u003eStore spares dry and away from contaminants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this filter as a direct swap for Fleetguard equivalents?\u003c\/h3\u003e\n\u003cp\u003eYes — the CAT 1R-1808 cross-references to Fleetguard LF691A, LF3566 and LF9691A and is intended as a direct-fit replacement in compatible applications. When switching brands, confirm part numbers, overall dimensions and thread type to ensure a proper seal and fit. Using a matched gasket and correct torque helps avoid leaks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-references include LF691A, LF3566, LF9691A\u003c\/li\u003e\n  \u003cli\u003eCheck diameter\/length (approx. 135.8 mm length) and thread compatibility\u003c\/li\u003e\n  \u003cli\u003eSpin-on format simplifies brand interchange when specs match\u003c\/li\u003e\n  \u003cli\u003eKeep OEM part references handy for maintenance records\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The CAT 1R-1808 Pack of 2 is aimed at fleet managers, heavy-equipment owners, maintenance technicians, and anyone maintaining Caterpillar engines or machines that require a reliable spin-on oil filter. It’s suited for high-hour machines used in construction, mining, marine service, power generation, and industrial installations where efficient contaminant removal and robust construction matter.\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: Is the CAT 1R-1808 a direct replacement for Fleetguard filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 1R-1808 cross-references Fleetguard LF691A, LF3566, and LF9691A; verify dimensions and threads before swapping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change the 1R-1808 oil filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow your equipment manufacturer's service interval; change sooner in dusty or heavy-duty conditions for best protection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CAT","offers":[{"title":"Default Title","offer_id":48081403510942,"sku":"B0FHBPG7XT","price":158.41,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/cat-1r-1808-front-packaging.jpg?v=1785803219","url":"https:\/\/northtrailauto.ca\/products\/cat-1r-1808-oil-filter-pack-of-2-spin-on-heavy-duty-engine-filter-high-efficiency-media","provider":"North Trail Auto","version":"1.0","type":"link"}