{"product_id":"dorman-fuel-level-sending-unit-kit-55818-universal-replacement-oem-resistance-corrosion-resistant","title":"Dorman Fuel Level Sending Unit Kit 55818 Universal Replacement — OEM Resistance, Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eThe Dorman 55818 Universal Fuel Level Sending Unit Kit is a direct-fit replacement fuel tank sender engineered to restore accurate gauge readings by matching original fit, function, and electrical resistance values.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis universal sending unit kit from Dorman is built to replace a failed or worn fuel level sensor on compatible vehicles. Designed with corrosion-resistant components and calibrated electrical values, the 55818 aims to deliver dependable performance and straightforward installation without the dealership price. It’s intended as a cost-effective, OEM-style alternative for mechanics and DIYers who need to return their fuel gauge to reliable operation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Dorman 55818 restore fuel gauge accuracy?\u003c\/h3\u003e\n\n\u003cp\u003eThe unit replicates the original sender’s mechanical movement and electrical resistance curve so the instrument cluster receives the expected signal range. That means your fuel gauge and any associated warning lights should behave as they did when the vehicle was new, provided wiring and the cluster are functioning properly.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMatches original ohms profile: 240 ohms at empty and 33 ohms at full\u003c\/li\u003e\n  \u003cli\u003eReplaces failing internal sensor to correct erratic or stuck readings\u003c\/li\u003e\n  \u003cli\u003eCompatible with specified vehicle applications for correct calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the main build and durability features of this sending unit?\u003c\/h3\u003e\n\n\u003cp\u003eDorman engineered the 55818 using materials chosen to resist routine wear and exposure to fuel and vapors. The kit includes components sized and formed to mirror factory geometry, helping the assembly seal and operate reliably inside the tank environment.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDurable construction intended for long service life in fuel environments\u003c\/li\u003e\n  \u003cli\u003ePrecision electrical contacts to maintain steady gauge signals\u003c\/li\u003e\n  \u003cli\u003eBacked by Dorman’s product expertise and decades of automotive parts experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation straightforward for a DIYer or does it require a shop?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation difficulty varies by vehicle fuel tank design, but the 55818 is supplied as a direct replacement kit to simplify installation where possible. Basic mechanical knowledge and appropriate safety precautions for working with fuel systems are required; some vehicles may need specialized tools or tank removal.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComes as a replacement kit to match original mounting points\u003c\/li\u003e\n  \u003cli\u003eMay require fuel tank access or removal on many vehicle models\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle-specific service manual and fuel-safety procedures during install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat electrical specifications should I expect and why do they matter?\u003c\/h3\u003e\n\n\u003cp\u003eThe sender provides a resistance range that the vehicle’s fuel gauge expects: about 240 ohms when the float is at empty and roughly 33 ohms when at full. Those values are critical because the instrument cluster translates resistance into a visual fuel level; a mismatch can produce incorrect gauge readings even if the sender is otherwise functional.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOhms at Empty: 240 — ensures the cluster reads empty correctly\u003c\/li\u003e\n  \u003cli\u003eOhms at Full: 33 — ensures the cluster reads full correctly\u003c\/li\u003e\n  \u003cli\u003eUse vehicle fit guide to confirm electrical compatibility before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Dorman 55818 is aimed at motorists, independent mechanics, and fleet technicians who need a quality replacement fuel level sending unit that mirrors original specifications without dealership markup. It’s suitable for those comfortable with vehicle electrical systems and fuel-system safety, and who want dependable gauge performance restored using a competitively priced, professionally supported part.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this unit fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check vehicle compatibility guide; this is a universal kit but fitment depends on tank opening and mounting type.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the resistance values for the sender?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Dorman 55818 reads about 240 ohms at empty and 33 ohms at full.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":55168304185687,"sku":"B019CXVE9G","price":49.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/dorman-55818-front-view-assembly.jpg?v=1790399097","url":"https:\/\/britishgarage.co.uk\/products\/dorman-fuel-level-sending-unit-kit-55818-universal-replacement-oem-resistance-corrosion-resistant","provider":"British Garage","version":"1.0","type":"link"}