{"product_id":"fuel-filter-water-separator-for-500fg-500fh-marine-diesel-protection","title":"Fuel Filter Water Separator for 500FG 500FH - Marine Diesel Protection","description":"\u003cp\u003eIn this review of the Fuel Filter\/Water Separator for 500FG 500FH marine diesel systems, the bottom line is simple: it is a practical, budget-friendly replacement for boatowners who need reliable water removal and multi-stage particle filtration. Designed to handle up to 60 Gph (227 Lph) and with selectable filter ratings, this unit is best for routine fuel polishing and maintenance on small to mid-size diesel boats. The reviewer found it performs the essential job of separating water from diesel and trapping contaminants without the premium price of some branded housings.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel flow capacity:\u003c\/strong\u003e The 60 Gph (227 Lph) maximum flow rate lets owners maintain adequate fuel delivery for many single-engine marine installations without flow restriction concerns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-grade filtration:\u003c\/strong\u003e The included 2, 10, and 30 micron filter options provide flexibility to trap coarse debris during routine polishing and finer particles when needed for cleaner fuel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater detection ring:\u003c\/strong\u003e The red ring sinks in diesel but floats on water, giving a simple visual cue when water has collected and the bowl needs draining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard port size:\u003c\/strong\u003e The M141.5 port\/connection size matches common fittings for many aftermarket setups, simplifying installation when plumbing aligns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure rating:\u003c\/strong\u003e The 15 Psi (1.03 Bar) maximum pressure is suitable for gravity-fed and low-pressure pump systems typical on small craft, keeping operation safe under normal conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-unit package:\u003c\/strong\u003e Supplied as one complete fuel water separator, it is ready for direct swap-in or use in a fuel polishing loop without additional parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis unit is aimed at boatowners and DIY technicians who want an affordable, functional fuel filter\/water separator for diesel polishing and routine maintenance on small to medium vessels. It suits those who value simple visual water detection and the option to use filters with different micron ratings depending on fuel condition.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for operators who require higher-pressure-rated housings, nonstandard thread sizes, or turn-key compatibility with a specific branded filter family. Customers with uncertain thread tolerances or who need factory-matched bolt and thread specs should verify fitment before purchase.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid basic performance for water separation and particle filtration during fuel polishing jobs.\u003c\/li\u003e\n\u003cli\u003eMultiple filter ratings included let users balance flow with filtration as needed.\u003c\/li\u003e\n\u003cli\u003eClear visual water indication via the red ring simplifies maintenance checks.\u003c\/li\u003e\n\u003cli\u003eGood value compared with higher-priced branded housings with similar function.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report compatibility and thread size issues, so fitment is not guaranteed for every system.\u003c\/li\u003e\n\u003cli\u003eThe 15 Psi max pressure limits use on higher-pressure diesel systems or some pressurized supply setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eFuel Filter \/ Water Separator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible models\u003c\/td\u003e\n\u003ctd\u003e500FG, 500FH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum flow rate\u003c\/td\u003e\n\u003ctd\u003e60 Gph (227 Lph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter ratings\u003c\/td\u003e\n\u003ctd\u003e2, 10, and 30 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort\/connection size\u003c\/td\u003e\n\u003ctd\u003eM141.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum pressure\u003c\/td\u003e\n\u003ctd\u003e15 Psi (1.03 Bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage contents\u003c\/td\u003e\n\u003ctd\u003eOne fuel water separator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor boatowners who need a cost-conscious replacement or an addition to a fuel polishing setup, this fuel filter\/water separator offers practical filtration and a useful visual water indicator at a competitive price. Verify the M141.5 thread and the 15 Psi limit against your rig before buying; when it fits, it delivers straightforward functionality and good value compared with pricier alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it remove free water?\u003c\/strong\u003e\u003cbr\u003eYes, the housing separates free water from diesel and the red ring indicates when water has accumulated in the bowl.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat connection size is required?\u003c\/strong\u003e\u003cbr\u003eThe unit uses an M141.5 port\/connection, so confirm hoses or adapters match this standard thread.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it handle high-pressure systems?\u003c\/strong\u003e\u003cbr\u003eThe maximum pressure is 15 Psi (1.03 Bar), so it is suitable for low-pressure and gravity-fed applications but not high-pressure diesel supply systems.\u003c\/p\u003e","brand":"caqeg","offers":[{"title":"Default Title","offer_id":48264912863451,"sku":"B09BNLTJQT","price":36.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51ucUvoblIL._AC_SL1000.jpg?v=1778228395","url":"https:\/\/gearmusthave.com\/products\/fuel-filter-water-separator-for-500fg-500fh-marine-diesel-protection","provider":"GearMustHave","version":"1.0","type":"link"}