{"product_id":"fuel-sending-unit-240-33-ohms-6ft-marine-fuel-gauge-sender-durable","title":"Fuel Sending Unit 240-33 ohms 6ft Marine Fuel Gauge Sender - Durable","description":"\u003cp\u003eOur review of this fuel sending unit finds it best suited for boat and vehicle owners who need a durable, direct replacement for arm type senders. The single biggest reason to buy is reliability: the unit uses an OKI reed switch imported from Japan and stainless steel construction, which removes vulnerable moving electronics and reduces the need for later adjustment. For anyone who values long term durability and straightforward installation, this sender delivers accurate readings with minimal fuss.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReed switch construction:\u003c\/strong\u003e The OKI reed switch offers superior durability and reliability compared with thick-film swim arm designs, reducing failure from wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard output:\u003c\/strong\u003e The unit uses the American standard 240-33 ohms output so it works with most fuel and water gauges without custom calibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel build:\u003c\/strong\u003e Heavy duty 316 stainless steel and rugged construction give corrosion resistance suitable for marine and automotive environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e It ships with a gasket, mounting screws and illustrated instructions so installation is straightforward for DIYers and technicians alike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple lengths available:\u003c\/strong\u003e Stock lengths cover 4 in to 32 in and the maker offers custom lengths on request for different tank depths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting pattern:\u003c\/strong\u003e SAE 5 hole mounting pattern ensures compatibility with common tanks and replacement scenarios.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis sender is aimed at boat owners, RV owners and vehicle owners replacing arm type fuel or water level senders who want a longer lived, low maintenance solution. It is particularly useful for installations where the unit must resist corrosion and where accurate, consistent readings are required for mid to large tanks.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere are buyers who need an exact nonstandard output or a float diameter much larger than 1.38 in; also, if you cannot measure tank depth precisely to avoid the sender hitting the bottom, professional fitting may be preferable.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable reed switch design reduces moving parts and long term failure risk.\u003c\/li\u003e\n\u003cli\u003eSolid 316 stainless steel construction resists corrosion in marine environments.\u003c\/li\u003e\n\u003cli\u003eAccurate 240-33 ohm output integrates with standard gauges for reliable readings.\u003c\/li\u003e\n\u003cli\u003eComes with gasket, screws and clear instructions for straightforward installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRequires careful measurement so the sender does not hit the tank bottom; install guidance suggests subtracting 1 in from outside tank depth.\u003c\/li\u003e\n\u003cli\u003eFloat diameter is 1.38 in which may require drilling a 1.5 in hole if retrofitting different tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e240-33 ohms (240 ohm empty, 33 ohm full)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength options\u003c\/td\u003e\n\u003ctd\u003eAvailable 4 in to 32 in (contact vendor for other lengths)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloat diameter\u003c\/td\u003e\n\u003ctd\u003e1.38 in (35 mm) - drill hole 1.50 in (38 mm) if needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eSAE 5 hole mounting pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e316 stainless steel construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch type\u003c\/td\u003e\n\u003ctd\u003eOKI reed switch (imported from Japan)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 year limited warranty and free lifetime technical support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe fuel sending unit is a practical, cost effective replacement for arm type senders where durability and reliability matter. With a Japanese OKI reed switch, 316 stainless construction and standard 240-33 ohm output, it fits most marine and vehicle gauge systems and represents good value for owners who prefer a low maintenance, long lasting sensor.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this fit my existing gauge?\u003c\/strong\u003e\u003cbr\u003eYes, it uses the American standard 240-33 ohm output which is compatible with most fuel and water gauges that accept that range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need to adjust the unit for my tank?\u003c\/strong\u003e\u003cbr\u003eNo adjustment for the tank is needed, but measure tank depth and subtract 1 in from the outside depth to avoid the sender hitting the bottom.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat if I need a different length?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer offers lengths from 4 in to 32 in and can provide other lengths if you contact them directly.\u003c\/p\u003e","brand":"100TECH","offers":[{"title":"Default Title","offer_id":48639875547355,"sku":"B092MVF5TK","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51vZF89ZMQS._AC_SL1001_d50c945f-115a-4aa5-8ea8-363e106f0e5c.jpg?v=1778741371","url":"https:\/\/gearmusthave.com\/products\/fuel-sending-unit-240-33-ohms-6ft-marine-fuel-gauge-sender-durable","provider":"GearMustHave","version":"1.0","type":"link"}