{"product_id":"partswcgg-4-round-dual-function-trailer-lights-4-red-white-combo-19-led-ip67-waterproof","title":"Partswcgg 4\" Round Dual-Function Trailer Lights — 4\" Red\/White Combo, 19-LED IP67 Waterproof","description":"\u003cp\u003e\u003cstrong\u003ePartswcgg 4\" 19-LED dual-function round trailer lights combine red stop\/turn\/tail output with a white reverse lamp in one submersible, flush-mount housing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese compact 4-inch combo lights are built for trailers and trucks that need a low-profile solution delivering both brake\/turn\/tail signaling and a bright white backup function. Each lamp uses 19 LEDs visible in two colors, ships with a rubber grommet for flush mounting and a standard three-prong pigtail plus an auxiliary plug for reverse power. The assembly is sonically sealed and rated IP67, so it resists rain, road spray and temporary submersion.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these lights handle both red signaling and white reverse in a single unit?\u003c\/h3\u003e\n\u003cp\u003eEach fixture shares a single LED array that can emit two colors: red for stop\/turn\/tail and white for reverse when the auxiliary wire is energized. The white reverse circuit takes precedence when activated so the reverse beam appears clearly without additional external lights.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e19 LEDs per lamp configured for dual-color output\u003c\/li\u003e\n  \u003cli\u003eDedicated blue auxiliary wire and bullet plug powers white reverse\u003c\/li\u003e\n  \u003cli\u003eWhite ground, red for brake\/turn, black for running lights wiring convention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the installation requirements and physical dimensions?\u003c\/h3\u003e\n\u003cp\u003eThe lights are designed for flush mounting using the included rubber grommet; they measure approximately 5.1\" overall diameter and 1.1\" height, and require a roughly 4.5\" hole for installation. Standard three-prong pigtails simplify connection to most trailer harnesses, while the auxiliary male bullet plug lets you hook up a reverse circuit easily.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOverall diameter ~5.1\"; install hole ~4.5\"\u003c\/li\u003e\n  \u003cli\u003eFlush-mount rubber grommet included for snug fit\u003c\/li\u003e\n  \u003cli\u003eStandard three-prong wire pigtail plus extra blue reverse plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these lights durable and suitable for marine or heavy-duty use?\u003c\/h3\u003e\n\u003cp\u003eYes — the housings are sonically sealed and rated IP67, meaning they withstand heavy road spray and temporary submersion. Their rugged construction makes them appropriate for trailers, trucks, boats and other utility vehicles that face wet or dusty environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP67 waterproof rating for weather resistance\u003c\/li\u003e\n  \u003cli\u003eSonic sealing prevents moisture and dust ingress\u003c\/li\u003e\n  \u003cli\u003eWorks on 8–16 V DC electrical systems common to trailers and trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and applications are these lights compatible with?\u003c\/h3\u003e\n\u003cp\u003eThese 4\" dual-function LEDs are made to fit a wide range of 8–16 V vehicles and trailers where compact combined signaling and backup illumination is desired. They work well on semi trailers, box trucks, horse and utility trailers, pick-ups, UTVs and more.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with trailers, service trucks, buses, and pickup trucks\u003c\/li\u003e\n  \u003cli\u003eSuitable for utility trailers, boat trailers, parade floats and UTVs\u003c\/li\u003e\n  \u003cli\u003eFour-piece set covers common mounting points and replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These Partswcgg dual 4\" LED combo lights are for vehicle owners, fleet managers and DIY mechanics who need compact, reliable tail, turn and backup illumination in one sealed unit. Choose these if you want easy wiring with a three-prong pigtail plus a separate reverse plug, rugged IP67 protection for wet conditions, and a low-profile flush mount that fits a 4.5\" hole. If you’re replacing worn incandescent lenses or upgrading to LED for better visibility and lower power draw, this four-pack provides a convenient complete set for multiple mounting points.\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: Do these lights fit a standard 4 inch hole?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They require about a 4.5\" drilled hole; overall diameter is ~5.1\" for flush mounting with the included grommet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these on a boat trailer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The IP67 rating and sonic sealing make them suitable for marine trailers and wet environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Partswcgg","offers":[{"title":"Default Title","offer_id":48082989252766,"sku":"B0CFLF8DQW","price":57.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/partswcgg-front-face-4inch-dual-led.jpg?v=1785821950","url":"https:\/\/northtrailauto.ca\/products\/partswcgg-4-round-dual-function-trailer-lights-4-red-white-combo-19-led-ip67-waterproof","provider":"North Trail Auto","version":"1.0","type":"link"}