{"product_id":"marine-fuel-sending-unit-for-boat-truck-car-vehicle-fuel-tank","title":"Marine Fuel Sending Unit 240-33 ohms 9.5ft - Durable Doughnut Float","description":"\u003cp\u003eIn this review the AODITECK Marine Fuel Sending Unit is examined for boat, truck and auto use; it is aimed at owners who need a reliable, drop-in replacement for a worn swingarm or Wema style sender. The bottom line: the doughnut float design and reed-switch output offer greater durability and repeatable readings compared with swim arm senders, and installation is straightforward so most DIYers can get the gauge working again in about 15 minutes.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoughnut float design:\u003c\/strong\u003e The sealed donut float removes the fragile moving arm and relies on a reed switch for long-term reliability in wet environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement fit:\u003c\/strong\u003e Standard SAE 5 hole mounting pattern and matching bolt pattern make it a straightforward swap for many OEM swingarm and Wema senders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmerican standard output:\u003c\/strong\u003e 240 ohms at empty and 33 ohms at full so it works with common fuel gauges without modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e SUS 316 stainless steel body and IP65 protection rating resist corrosion and splashes common in marine applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete installation kit:\u003c\/strong\u003e Includes gasket, mounting screws and illustrated instructions so installation and hookup are simple and fast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocal support and warranty:\u003c\/strong\u003e One year warranty with local US support and options for customization if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis sender is best for boat owners, truck drivers and vehicle restorers who want a robust, low-maintenance replacement for a failed swingarm or Wema sender and who need an American standard 240-33 ohm output for their existing gauge. It is also suitable for fuel or water tanks where a sealed float and stainless steel flange improve longevity.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include owners whose tank depth or mounting pattern is nonstandard and cannot use the SAE 5 hole pattern, or people who need a custom electrical output beyond the 240-33 ohm range without ordering a specific variant.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSolid stainless construction and IP65 rating make it durable in marine environments.\u003c\/li\u003e\n\u003cli\u003eEasy installation with included gasket, screws and clear instructions gets gauges working in about 15 minutes.\u003c\/li\u003e\n\u003cli\u003eReliable reed-switch doughnut float improves longevity over swim arm designs.\u003c\/li\u003e\n\u003cli\u003eCompatible with common 240-33 ohm gauges for straightforward replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome customers report mixed fit of mounting screw holes, so careful alignment may be required during installation.\u003c\/li\u003e\n\u003cli\u003eGauge readability can vary depending on the existing gauge and tank geometry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput signal\u003c\/td\u003e\n\u003ctd\u003e240 ohms - 33 ohms (240 empty, 33 full)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength options\u003c\/td\u003e\n\u003ctd\u003eRange includes 9.5' and other lengths implied by source\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\u003eFloat material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting pattern\u003c\/td\u003e\n\u003ctd\u003eStandard SAE 5 hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection rating\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 year with local US support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe AODITECK Marine Fuel Sending Unit is a practical, value-minded replacement for worn swingarm or Wema senders thanks to its doughnut float and reed-switch design, stainless construction and plug-and-play 240-33 ohm output. It is a good buy for boat and vehicle owners who want a durable sender and quick installation; just check tank depth and hole alignment before fitting to avoid mounting issues.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this sender match my existing gauge?\u003c\/strong\u003e\u003cbr\u003eIt uses the American standard 240 ohm at empty and 33 ohm at full output, so it is compatible with most gauges using that standard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long does installation take?\u003c\/strong\u003e\u003cbr\u003eTypical install takes about 15 minutes using the included gasket, screws and instructions if the bolt pattern lines up.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much shorter should the sender be than tank depth?\u003c\/strong\u003e\u003cbr\u003eFor plastic tanks allow about 1' less than tank depth; for metal tanks allow about 0.5' less to prevent the float hitting the bottom.\u003c\/p\u003e","brand":"AODITECK","offers":[{"title":"Default Title","offer_id":48167929970907,"sku":"B09135J7C1","price":45.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61VD0MTydhS._AC_SL1500.jpg?v=1769163117","url":"https:\/\/gearmusthave.com\/products\/marine-fuel-sending-unit-for-boat-truck-car-vehicle-fuel-tank","provider":"GearMustHave","version":"1.0","type":"link"}