{"product_id":"4-inch-round-led-tail-light-39-diode-red-4050","title":"4 Inch Round LED Tail Light – 39-Diode Red – Replaces Truck-lite 4050","description":"\u003cp\u003eUpgrade your vehicle's visibility and safety with the \u003cstrong\u003e4 Inch Round LED Tail Light\u003c\/strong\u003e by Automann. This high-output 12V LED lamp is engineered to provide crisp, instantaneous signaling for braking, turning, and tail-light functions. Whether you are outfitting a heavy-duty tractor or a commercial trailer, this \u003cstrong\u003e4 Inch Round LED Tail Light\u003c\/strong\u003e offers a modern, energy-efficient alternative to traditional incandescent lighting.\u003c\/p\u003e\u003cp\u003e\n\n\u003c\/p\u003e\u003ch2\u003eHigh-Intensity 39-Diode Performance: The 4 Inch Round LED Tail Light Advantage\u003c\/h2\u003e\u003cp\u003e\n\n\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e4 Inch Round LED Tail Light\u003c\/strong\u003e (Automann Part # 571.LD40R39) features 39 high-lumen diodes encased in a sonically sealed polycarbonate lens. This rugged construction effectively blocks moisture and road debris, ensuring the internal electronics remain protected in even the harshest environments. \u003cstrong\u003eNote:\u003c\/strong\u003e The integrated PL3 connector on the back plate allows for a seamless \"plug-and-play\" installation, reducing maintenance time for both driver and passenger side lighting panels.\u003c\/p\u003e\u003cp\u003e\n\n\u003c\/p\u003e\u003cp\u003eAs we continue to build the largest inventory of commercial truck parts in Illinois, we prioritize lighting solutions that keep your fleet DOT-compliant. This LED unit is a direct professional-grade replacement for \u003cstrong\u003eTruck-lite 4050\u003c\/strong\u003e, \u003cstrong\u003eGrote G4002\u003c\/strong\u003e, and \u003cstrong\u003eOptronics STL55RB\u003c\/strong\u003e. By switching to LED technology, you eliminate the frequent maintenance associated with burnt-out bulbs and benefit from a faster \"rise time,\" giving following drivers more time to react during braking.\u003c\/p\u003e\u003cp\u003e\n\n\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\n\n\u003c\/p\u003e\u003ch3\u003eComprehensive Compatibility \u0026amp; Specifications\u003c\/h3\u003e\u003cp\u003eTo ensure your trailer meets all safety regulations, please verify the technical details and cross-reference numbers below:\u003c\/p\u003e\u003cp\u003e\n\n\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\n    \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement For:\u003c\/strong\u003e Truck-lite 4050, 44030R, Grote G4002, Optronics STL55RB, Peterson 420R-3\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\n    \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Stop, Turn, and Tail Lamp (S\/T\/T)\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\n    \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiode Count:\u003c\/strong\u003e 39 High-Lumen Red LEDs\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\n    \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens Material:\u003c\/strong\u003e Sonically Welded Polycarbonate (Waterproof)\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\n    \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Integrated PL3 (3-Pin) Connector\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\n    \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Fits Standard 4-Inch Round Rubber Grommets\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\n    \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e Fully meets DOT, SAE, and FMVSS 108 standards\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\n    \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Universal (Fits LH or RH rear positions)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Automann","offers":[{"title":"Default Title","offer_id":42449498275911,"sku":"571.LD40R39","price":20.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8035\/2583\/files\/571ld40r39-4-inch-round-led-tail-light-39-diode-red-replaces-truck-lite-4050-automann-8488234.jpg?v=1775065828","url":"https:\/\/fleetpropt.com\/products\/4-inch-round-led-tail-light-39-diode-red-4050","provider":"FLEETPRO PARTS \u0026 TIRES ","version":"1.0","type":"link"}