{"product_id":"nilight-cab-marker-lights-for-2017-2021-ford-super-duty-smoked-lens-9-led-amber-5-pack-weatherproof","title":"Nilight Cab Marker Lights for 2017–2021 Ford Super Duty — Smoked Lens, 9-LED Amber 5-Pack, Weatherproof","description":"\u003cp\u003e\u003cstrong\u003eNilight 9 LED smoked cab marker light is a direct-fit amber roof marker replacement designed for 2017–2021 Ford Super Duty trucks, delivering brighter, longer-lasting illumination with sealed, weatherproof construction.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese smoked-lens cab marker lights replace the OEM roof marker lamps on Ford F250, F350, F450 and F550 Super Duty pickups from 2017 through 2021. Each unit uses upgraded 3528 LEDs for stronger amber output and improved heat management, while the PC lens and ABS base are sealed to keep out moisture. The kit comes with five lights, mounting hardware and straightforward wiring instructions so you can restore or upgrade your truck's clearance lighting quickly.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these lights improve visibility for my Super Duty truck?\u003c\/h3\u003e\n\u003cp\u003eThe upgraded 3528 LED chips produce a clearer, more consistent amber signal than many older incandescent or low-grade LED markers. That helps other drivers spot your vehicle's roofline at night and in poor weather without drawing excess current.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e16 quality 3528 LEDs per lamp for higher intensity\u003c\/li\u003e\n  \u003cli\u003eWider beam angle to enhance side and forward visibility\u003c\/li\u003e\n  \u003cli\u003eLower power draw compared with incandescent bulbs\u003c\/li\u003e\n  \u003cli\u003eSmoked lens maintains a subdued daytime look while showing amber when lit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these cab marker lights weatherproof and durable?\u003c\/h3\u003e\n\u003cp\u003eYes. The lights are engineered with a tightly fitted PC lens bonded to an ABS base and extra sealant at the wiring entry, giving a fully sealed housing that resists water intrusion and road contaminants. That construction extends service life and reduces failure from moisture-related issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePC lens and ABS base fused for a waterproof seal\u003c\/li\u003e\n  \u003cli\u003eAdditional glue at the wiring point for complete sealing\u003c\/li\u003e\n  \u003cli\u003eLEDs provide better heat dissipation and lifespan than bulbs\u003c\/li\u003e\n  \u003cli\u003eDurable materials suitable for truck roof exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult on 2017–2021 Ford Super Duty trucks?\u003c\/h3\u003e\n\u003cp\u003eInstallation is designed to be straightforward for trucks that originally came with cab marker lights: these are plug-and-play direct replacements for the OEM lamps. For trucks without factory roof lights, you will need to drill mounting holes and wire the lamp into your truck’s electrical system using the included hardware.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement for OEM-installed cab marker lights\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play on trucks with factory wiring harnesses\u003c\/li\u003e\n  \u003cli\u003eDrill-and-wire installation instructions included for blank roofs\u003c\/li\u003e\n  \u003cli\u003eBlack lead to negative and red lead to positive when hard-wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the package include and how many lights come in a set?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains five smoked-lens amber marker lights—enough for a full cab marker set—plus the mounting screws and flat washers needed for installation. The components are packaged together so you receive a complete replacement solution in one box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e5 smoked-lens amber marker lights (complete set)\u003c\/li\u003e\n  \u003cli\u003eMounting screws and flat washers included\u003c\/li\u003e\n  \u003cli\u003ePreassembled wiring pigtails on each lamp for easy hookup\u003c\/li\u003e\n  \u003cli\u003eInstructions for both plug-and-play and hard-wired installs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Nilight cab marker light set suits Ford Super Duty owners (2017–2021 F250\/F350\/F450\/F550) who need a reliable, weatherproof replacement or upgrade to OEM roof markers. It's aimed at truck drivers who want enhanced amber visibility, simple installation on factory-equipped trucks, and a smoked, low-profile look when lights are off. Professional installers and DIY enthusiasts who will hard-wire blank roofs will also find the included hardware and guidance helpful.\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 these lights fit my 2019 Ford F350 without modifications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your 2019 F350 has factory cab markers, they are a direct plug-and-play replacement; no drilling is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I hard-wire these markers on a truck without roof lights?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. For blank roofs you must drill mounting holes and wire the red lead to positive and black to negative.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nilight","offers":[{"title":"Default Title","offer_id":48083092275358,"sku":"B0DF26SDTD","price":58.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/nilight-front-smoke-lens.jpg?v=1785824456","url":"https:\/\/northtrailauto.ca\/products\/nilight-cab-marker-lights-for-2017-2021-ford-super-duty-smoked-lens-9-led-amber-5-pack-weatherproof","provider":"North Trail Auto","version":"1.0","type":"link"}