{"product_id":"cat-1r-1807-oil-filter-spin-on-oem-replacement-for-cat-engines-high-efficiency-media","title":"CAT 1R-1807 Oil Filter — spin-on OEM replacement for Cat engines, high-efficiency media","description":"\u003cp\u003e\u003cstrong\u003eThe CAT 1R-1807 is a genuine Caterpillar spin-on oil filter engineered to maintain oil cleanliness and protect engine components in heavy-duty Cat machinery.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned by Caterpillar for compatibility with Cat engines, the 1R-1807 oil filter delivers dependable particle removal and fluid containment in demanding work environments. This spin-on filter matches specific thread and size specifications used across many Cat applications and is cross-referenced to Fleetguard LF3973, offering a direct-fit replacement that preserves service intervals and filtration performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the CAT 1R-1807 protect an engine during heavy use?\u003c\/h3\u003e\n\u003cp\u003eThe 1R-1807 captures contaminants and prevents abrasive particles from circulating in the oil, reducing wear on bearings and other precision surfaces. Its internal media and seal design help maintain oil pressure and integrity under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced efficiency media traps fine particles to reduce wear\u003c\/li\u003e\n  \u003cli\u003eSpin-on design simplifies replacement during scheduled service\u003c\/li\u003e\n  \u003cli\u003eDurable sealing and construction sustain pressure in high-demand conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical and installation specifications I need to know?\u003c\/h3\u003e\n\u003cp\u003eThis filter has a 107.9 mm diameter and a 254.6 mm height, with a 1 1\/8-16-2B thread size for direct fit on compatible housings. Those dimensions ensure correct fitment and proper gasket seating for an oil-tight connection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeight: 254.6 mm — fits designated Cat filter housings\u003c\/li\u003e\n  \u003cli\u003eDiameter: 107.9 mm — consistent with OEM sizing\u003c\/li\u003e\n  \u003cli\u003eThread: 1 1\/8-16-2B — standard spin-on mounting for Cat models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the 1R-1807 compare to cross-reference options like Fleetguard LF3973?\u003c\/h3\u003e\n\u003cp\u003eThe 1R-1807 is the Caterpillar genuine part designed to meet Cat performance expectations; Fleetguard LF3973 is an acceptable cross-reference for some applications. Choosing the OEM Cat filter ensures exact specification matching and is recommended for preserving warranty and service predictability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine Caterpillar part tailored to Cat engine design\u003c\/li\u003e\n  \u003cli\u003eCross-reference: Fleetguard LF3973 for compatible alternatives\u003c\/li\u003e\n  \u003cli\u003eUsing the OEM part helps maintain expected oil-change intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should this filter be replaced and what service tips help ensure best results?\u003c\/h3\u003e\n\u003cp\u003eReplace the filter according to your engine’s service schedule or when oil analysis recommends earlier service. When installing, clean the mounting surface, lubricate the gasket lightly with clean oil, and torque to the vehicle or equipment manufacturer's recommendation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow your engine’s scheduled oil-change intervals for replacement\u003c\/li\u003e\n  \u003cli\u003eInspect and clean the filter mounting surface before installation\u003c\/li\u003e\n  \u003cli\u003eLubricate gasket and tighten to the correct specification to prevent leaks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The CAT 1R-1807 oil filter is intended for fleet managers, heavy-equipment operators, and service technicians who maintain Caterpillar engines and want an OEM filtration solution that fits directly, sustains service intervals, and protects engine components in commercial, construction, mining, or agricultural settings. If you need a reliable spin-on filter sized to Cat specifications with proven compatibility and cross-reference options, the 1R-1807 is built for that role.\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-1807 an original Caterpillar part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 1R-1807 is a genuine Caterpillar oil filter designed for Cat engine compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the key dimensions and thread size?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Dimensions: 254.6 mm height, 107.9 mm diameter; thread size: 1 1\/8-16-2B.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CAT","offers":[{"title":"Default Title","offer_id":67586956034233,"sku":"B008N0ISTE","price":104.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/cat-1r-1807-front-view.jpg?v=1790497990","url":"https:\/\/redleafauto.ca\/products\/cat-1r-1807-oil-filter-spin-on-oem-replacement-for-cat-engines-high-efficiency-media","provider":"Redleaf Auto","version":"1.0","type":"link"}