{"product_id":"carmocar-r12t-marine-fuel-water-separator-spin-on-diesel-filter-with-clear-bowl-15-gph-includes-fittings","title":"CARMOCAR R12T Marine Fuel Water Separator — Spin-On Diesel Filter with Clear Bowl, 15 GPH, Includes Fittings","description":"\u003cp\u003e\u003cstrong\u003eThe CARMOCAR R12T marine spin-on fuel water separator is a complete diesel pre-filter assembly that removes free water and debris, offering visible collection and easy draining without disassembly.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeeping diesel fuel clean is essential for reliable marine engines. This CARMOCAR R12T unit combines a high-flow spin-on filter cartridge with a clear nylon collection bowl, a self-venting drain valve and included fittings and plugs to make installation, inspection and maintenance straightforward aboard small boats and work vessels. It is built to match R12T marine filter housings with 120AT NPT ZG1\/4-19 threads and offers a 15 GPH flow rating to support continuous engine operation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this separator protect my diesel engine on a boat?\u003c\/h3\u003e\n\n\u003cp\u003eThe separator captures free water and particulate before fuel reaches your engine, reducing injector and pump wear. Its clear bowl makes contaminant levels immediately visible so you can service the unit before problems occur.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRemoves free water and sediment prior to fuel delivery\u003c\/li\u003e\n  \u003cli\u003eReusable clear nylon bowl for quick visual inspection\u003c\/li\u003e\n  \u003cli\u003eSpin-on cartridge simplifies replacement without special tools\u003c\/li\u003e\n  \u003cli\u003eRated 15 GPH to maintain steady fuel flow for typical marine engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I drain and maintain the CARMOCAR R12T water separator?\u003c\/h3\u003e\n\n\u003cp\u003eMaintenance is designed to be quick and mess-free: open the self-venting drain valve to discharge collected water and muck, then close the valve to resume normal operation. When the cartridge reaches service life, unscrew the spin-on filter and replace it with a compatible R12T element.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOpen valve to drain; tighten to stop discharge\u003c\/li\u003e\n  \u003cli\u003eClear bowl shows when draining is needed\u003c\/li\u003e\n  \u003cli\u003eSpin-on cartridge for fast swaps at the dock\u003c\/li\u003e\n  \u003cli\u003eCheck fittings and seals during routine inspections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat fittings and thread standards are included for installation?\u003c\/h3\u003e\n\n\u003cp\u003eThis package includes two fittings and two plugs tailored for the R12T housing thread specification. The assembly matches 120AT NPT ZG1\/4-19 connections commonly found on marine diesel pre-filter mounts, simplifying replacement or retrofitting with minimal plumbing changes.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits R12T marine spin-on housing with 120AT NPT ZG1\/4-19\u003c\/li\u003e\n  \u003cli\u003eTwo fittings included for inlet\/outlet plumbing options\u003c\/li\u003e\n  \u003cli\u003eTwo plugs supplied for unused ports or temporary sealing\u003c\/li\u003e\n  \u003cli\u003eDirect bottom outlet enables draining without removing the assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance can I expect from the R12T model at sea?\u003c\/h3\u003e\n\n\u003cp\u003eThe R12T design balances filtration efficiency with the flow demands of most small to mid-size marine diesel engines. By providing a steady 15 gallons-per-hour flow capacity, it helps maintain engine power and responsiveness while removing water that can cause corrosion and injector fouling.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e15 GPH flow rate suitable for many single-engine craft\u003c\/li\u003e\n  \u003cli\u003eHigh-performance filter media for reliable contaminant capture\u003c\/li\u003e\n  \u003cli\u003eDurable construction for extended service life in marine environments\u003c\/li\u003e\n  \u003cli\u003eVisible bowl simplifies fuel quality monitoring underway\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? If you operate a small to medium-sized diesel-powered boat or service craft and need a dependable, easy-to-check fuel pre-filter, the CARMOCAR R12T assembly is aimed at boat owners, marine mechanics and fleet managers who prioritize straightforward maintenance and visible assurance of fuel condition. It's especially useful when retrofitting existing R12T-style spin-on housings or replacing worn separators with a user-friendly, high-flow option. Always verify thread compatibility and check OEM pictures before purchase; CARMOCAR offers a one-year customer service period for support and questions.\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: Will this fit my existing R12T housing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it matches R12T spin-on housings with 120AT NPT ZG1\/4-19 threads; confirm your OEM thread spec before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I drain the bowl?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Drain when you see water or sediment in the clear bowl; inspect more often in contaminated fuel conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CARMOCAR","offers":[{"title":"Default Title","offer_id":48087535190174,"sku":"B07KTMH7QQ","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/carmocar-front-view-assembly.jpg?v=1785925472","url":"https:\/\/northtrailauto.ca\/products\/carmocar-r12t-marine-fuel-water-separator-spin-on-diesel-filter-with-clear-bowl-15-gph-includes-fittings","provider":"North Trail Auto","version":"1.0","type":"link"}