{"product_id":"cat-1r-1808-oil-filter-pack-of-2-spin-on-heavy-duty-replacement-advanced-efficiency-filtration","title":"CAT 1R-1808 Oil Filter Pack of 2 — Spin-On Heavy-Duty Replacement, Advanced-Efficiency Filtration","description":"\u003cp\u003e\u003cstrong\u003eThe CAT 1R-1808 oil filter (pack of 2) is a spin-on filtration cartridge engineered to protect heavy-duty CAT engines and equipment by removing contaminants and maintaining oil flow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for use across a wide range of Caterpillar machines and industrial powerplants, the 1R-1808 fits engines from truck and marine applications to construction and mining equipment. This replacement oil filter provides advanced-efficiency filtration and direct-fit installation to many CAT models, helping extend oil life and reduce wear when used as part of regular maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eWhich machines and engines will accept the 1R-1808?\u003c\/h3\u003e\n\u003cp\u003eThe 1R-1808 is compatible with numerous Caterpillar platforms including on-road truck engines, marine powerplants, generators, and heavy construction equipment. Check your engine serial or model number to confirm fitment; it suits many legacy and current CAT models where spin-on filters are specified.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits truck engines like 3408, 3406 series and C9\/C13 variants\u003c\/li\u003e\n  \u003cli\u003eCompatible with marine engines such as 3412 and C18\u003c\/li\u003e\n  \u003cli\u003eUsed on construction equipment: 988K loaders, 349E excavators, D6 tractors\u003c\/li\u003e\n  \u003cli\u003eAlso specified for generators, power modules, and industrial engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this filter perform in demanding work environments?\u003c\/h3\u003e\n\u003cp\u003eBuilt to meet Caterpillar’s operational expectations, the 1R-1808 offers an advanced-efficiency media that captures fine particles while maintaining stable oil flow under load. Its spin-on design simplifies replacement in field service, reducing downtime for busy fleets and job sites.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced-efficiency media traps contaminants to protect bearings and surfaces\u003c\/li\u003e\n  \u003cli\u003eSpin-on installation for fast changeouts and minimal tools\u003c\/li\u003e\n  \u003cli\u003eStable pressure handling for heavy-duty and high-hour operations\u003c\/li\u003e\n  \u003cli\u003ePack of two provides a spare for scheduled maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications and cross-references for maintenance planning?\u003c\/h3\u003e\n\u003cp\u003eThe filter has a cartridge length\/diameter profile to fit approved housings and is directly interchangeable with several aftermarket references. Knowing cross-reference numbers helps planners source compatible stock when originals are unavailable.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDiameter\/length (mm): 135.8 — confirms physical fit\u003c\/li\u003e\n  \u003cli\u003eInstallation: spin-on type for typical CAT filter housings\u003c\/li\u003e\n  \u003cli\u003eCross-references include Fleetguard LF691A, LF3566, LF9691A\u003c\/li\u003e\n  \u003cli\u003eEfficiency rating listed as Advanced Efficiency for particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and replace the CAT 1R-1808 for best results?\u003c\/h3\u003e\n\u003cp\u003eReplace the filter following your engine’s scheduled oil service intervals, and always prime the filter and check seals to prevent air locks or leaks. Use appropriate torque on the spin-on housing and dispose of used filters per local environmental regulations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow OEM-recommended oil change interval for your machine\u003c\/li\u003e\n  \u003cli\u003ePre-fill or prime filter where applicable to reduce dry-start wear\u003c\/li\u003e\n  \u003cli\u003eInspect gasket and seating surface before installation\u003c\/li\u003e\n  \u003cli\u003eTorque according to service manual; tighten to specified value\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, service technicians, and equipment owners who maintain Caterpillar engines across construction, mining, trucking, marine, and power generation fleets. If you need a direct-fit, spin-on oil filter with advanced-efficiency media and common cross-references for streamlined procurement and inventory, this filter meets those requirements and helps simplify routine preventive maintenance.\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 1R-1808 a direct OEM replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The CAT 1R-1808 is a direct-fit spin-on filter for many Caterpillar engines and matches several cross-reference numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use one 1R-1808 across different CAT models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If the engine’s filter housing accepts the 135.8mm spin-on size and model cross-reference, the 1R-1808 can be used across those compatible CAT machines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CAT","offers":[{"title":"Default Title","offer_id":67585109950649,"sku":"B0FHBPG7XT","price":247.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/cat-1r-1808-front-packaging.jpg?v=1790467586","url":"https:\/\/redleafauto.ca\/products\/cat-1r-1808-oil-filter-pack-of-2-spin-on-heavy-duty-replacement-advanced-efficiency-filtration","provider":"Redleaf Auto","version":"1.0","type":"link"}