{"product_id":"240-33-ohms-10ft-marine-fuel-sending-unit-durable-replacement","title":"240-33 ohms 10ft Marine Fuel Sending Unit - Durable Replacement","description":"\u003cp\u003eIn this review of the 240-33 ohms 10' marine fuel sending unit, the bottom line is simple: it is a durable, low-maintenance replacement for swingarm senders on boats, RVs and many vehicles. The reviewer found it most compelling for owners who need a reliable sensor that resists wear and gives a consistent signal to non-linear gauges; the reed switch and fixed resistor design reduce moving-part failures and demand little or no tank adjustment. Installation is straightforward and the unit is built for corrosion resistance, making it a practical repair or upgrade choice.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoughnut float reed switch:\u003c\/strong\u003e Provides reliable, long-life sensing with no fragile swing arm to wear out over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240-33 ohm output:\u003c\/strong\u003e Matches standard non-linear gauges commonly fitted to boats, RVs and trucks for straightforward compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUS 316 stainless body:\u003c\/strong\u003e Heavy duty corrosion resistance suitable for marine and harsh environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete hardware kit:\u003c\/strong\u003e Includes gasket and mounting screws plus clear wiring directions to simplify installation for most users.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact float diameter:\u003c\/strong\u003e The 1.38' float fits many tanks and a 1-1\/2' hole is recommended if drilling is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Uses quality reed switches and fixed resistors to reduce failure modes compared with thick-film or swingarm designs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis sending unit is aimed at boat owners, RV and camper owners, and vehicle repairers who need a sturdy replacement for a worn or failing swingarm sender and who use standard non-linear fuel gauges. It is especially useful when corrosion resistance and long-term reliability matter, for example in saltwater boats or exposed installations.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include users who require a linear output sender or a sender with a different ohm range, and anyone whose tank depth or mounting pattern does not match the unit dimensions - measure tank depth and mounting holes carefully before ordering.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReed switch doughnut float reduces moving-part failures and improves durability.\u003c\/li\u003e\n\u003cli\u003eStainless SUS 316 construction offers strong corrosion resistance for marine use.\u003c\/li\u003e\n\u003cli\u003eIncludes gasket, screws and clear wiring instructions for faster installation.\u003c\/li\u003e\n\u003cli\u003eWorks with AODITECK fuel gauges if a matching gauge is needed for installations without one.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNon-linear 240-33 ohm output limits use to compatible standard non-linear gauges only.\u003c\/li\u003e\n\u003cli\u003eSome users report screw hole alignment or thread fit can be imperfect, requiring minor adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal output\u003c\/td\u003e\n\u003ctd\u003e240 ohms - 33 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e10' (250mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloat diameter\u003c\/td\u003e\n\u003ctd\u003e1.38' (35mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting pattern\u003c\/td\u003e\n\u003ctd\u003eSAE 5 hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody material\u003c\/td\u003e\n\u003ctd\u003eSUS 316 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eGasket, mounting screws, instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 240-33 ohm 10' marine fuel sending unit is a sensible, cost-effective replacement for worn swingarm senders when you need corrosion-resistant durability and a reliable non-linear signal for standard gauges. It is good value for boat and RV owners who want low maintenance and sturdy construction, provided the gauge type and tank dimensions are compatible.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this unit work with my standard fuel gauge?\u003c\/strong\u003e\u003cbr\u003eIt works with standard non-linear gauges that expect a 240-33 ohm signal; confirm your gauge type before buying.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow deep should my tank be relative to the sender length?\u003c\/strong\u003e\u003cbr\u003eFor plastic tanks make the sender about 1' shorter than tank depth; for metal tanks make it about 0.5' shorter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need to modify the tank to install it?\u003c\/strong\u003e\u003cbr\u003eIf drilling is required a 1-1\/2' (38mm) hole fits the float, and the unit ships with a gasket and screws for mounting.\u003c\/p\u003e","brand":"AODITECK","offers":[{"title":"Default Title","offer_id":48166564856027,"sku":"B08RBLDQTY","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51ZZVzgSRbL._AC_SL1000.jpg?v=1769251203","url":"https:\/\/gearmusthave.com\/products\/240-33-ohms-10ft-marine-fuel-sending-unit-durable-replacement","provider":"GearMustHave","version":"1.0","type":"link"}