{"product_id":"fuel-tank-sending-unit-240-33-ohms-8ft-fuel-sending-unit-stable","title":"Fuel Tank Sending Unit 240-33 ohms 8ft Fuel Sending Unit - Stable","description":"\u003cp\u003eIn this review of the Fuel Tank Sending Unit 240-33 ohms, the bottom line is simple: this sender is for boat and vehicle owners who want a stable, reliable fuel or water level readout without the bounce common to lever-type units. The reviewer found it most useful as a direct replacement where gauges accept the American standard 240-33 ohm signal, and praised its stainless steel body and reed-switch design for resisting movement caused by waves. Installation hardware is included and the unit is designed to reduce false readings in rough conditions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReed-switch design:\u003c\/strong\u003e Provides a more stable and accurate indication of fuel level by avoiding the mechanical bounce of traditional lever sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240-33 ohm output:\u003c\/strong\u003e Matches the American standard gauge signal so it will work with most compatible fuel and water gauges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel body:\u003c\/strong\u003e Improves corrosion resistance and longevity in marine and automotive environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded hardware and gasket:\u003c\/strong\u003e Ships with an NBR mounting gasket, five metric screws and clear wiring instructions to simplify installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 protection:\u003c\/strong\u003e Offers good sealing against dust and water ingress for use in damp or splash-prone tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo resolution ranges:\u003c\/strong\u003e Optimized sensitivity for shorter and taller tanks with 10mm and 21mm resolution groups to improve accuracy by length.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis sending unit is aimed at owners of boats, campers, trailers and trucks who need a straightforward replacement sender that reduces gauge bounce and works with standard 240-33 ohm gauges. It is a good fit when the tank depth matches one of the available sender lengths and the tank mounting uses the SAE 5-hole pattern.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include buyers with nonstandard gauge ranges or custom tanks that require a different output curve, and anyone who cannot accommodate the float diameter or the recommended hole size for installation. Confirm tank depth before ordering to avoid fit issues.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStable readings in rough water thanks to the reed-switch sensing method.\u003c\/li\u003e\n\u003cli\u003eGood build quality with stainless steel body and IP67 rating for durability.\u003c\/li\u003e\n\u003cli\u003eEasy installation with gasket, screws and clear wiring instructions included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGauge accuracy receives mixed feedback, so fine-tuning or calibration may be needed with some gauges.\u003c\/li\u003e\n\u003cli\u003eRequires checking tank depth and hole size before purchase to ensure correct fit.\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\u003e240-33 ohms (empty-full)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Pattern\u003c\/td\u003e\n\u003ctd\u003eSAE 5-hole pattern (not equidistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution Range\u003c\/td\u003e\n\u003ctd\u003e10mm for lengths 4-7, 21mm for lengths 8-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rank\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Items\u003c\/td\u003e\n\u003ctd\u003eNBR gasket, 5 metric screws, installation instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Fuel Tank Sending Unit 240-33 ohms is a sensible replacement for marine and vehicle tanks when you need steadier readings and a durable stainless steel unit. It offers good value for owners with compatible gauges and tanks, particularly where motion has caused problems with lever-type senders, but buyers must confirm fit and be prepared for occasional calibration to match specific gauges.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this work with my 240-33 ohm gauge?\u003c\/strong\u003e\u003cbr\u003eYes, the sender outputs the standard 240-33 ohm range and is compatible with gauges that expect that signal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat tank depth should I order for?\u003c\/strong\u003e\u003cbr\u003eOrder a sender length about 1' less than a plastic tank depth or 0.5' less than a metal tank to prevent the float from hitting the bottom.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the installation hardware included?\u003c\/strong\u003e\u003cbr\u003eYes, the unit ships with an NBR gasket, five metric stainless screws and wiring\/installation instructions.\u003c\/p\u003e","brand":"Sucicago","offers":[{"title":"Default Title","offer_id":48236395561179,"sku":"B09XVHXCTH","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41bZQQgUmKL._AC_SL1000_cebbc9e8-447f-4538-a8fa-b0126fd601e9.jpg?v=1770738877","url":"https:\/\/gearmusthave.com\/products\/fuel-tank-sending-unit-240-33-ohms-8ft-fuel-sending-unit-stable","provider":"GearMustHave","version":"1.0","type":"link"}