{"product_id":"fv-fit-vehicle-parts-manufacturer-led-front-fender-turn-signal-lights-for-peterbilt-579-587-direct-fit-ip67-weatherproof-pair","title":"FV FIT VEHICLE PARTS MANUFACTURER LED Front Fender Turn Signal Lights for Peterbilt 579\/587 — Direct-Fit, IP67 Weatherproof Pair","description":"\u003cp\u003e\u003cstrong\u003eBright, weatherproof LED front fender turn signals that directly replace OEM P54-6147 \/ P54-1212-100 for Peterbilt 579 (2013+) and 587 (2011–2018).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your truck's front-end safety and style with this pair of FV LED fender-mounted turn signal lights. Designed to drop into the original mounting points without drilling or complex rewiring, these lamps deliver instant illumination, durable construction, and a matched left\/right set to restore both function and appearance. Built for the demands of long-haul use, they resist moisture, vibration, and UV damage so they remain clear and reliable across seasons and washes.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these LEDs improve visibility compared to stock incandescent bulbs?\u003c\/h3\u003e\n\u003cp\u003eThese LED assemblies light up instantly at high output, giving following drivers faster visual feedback during lane changes and turns. That quicker on\/off response compared to incandescent filaments helps reduce reaction lag and improves roadside communication.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstant-on LED elements for faster signaling\u003c\/li\u003e\n  \u003cli\u003eHigher luminous efficiency for stronger daytime visibility\u003c\/li\u003e\n  \u003cli\u003eConsistent color and brightness across both sides\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my Peterbilt 579 or 587 without modification?\u003c\/h3\u003e\n\u003cp\u003eYes — the pair is engineered as a direct aftermarket replacement for OEM numbers P54-6147 and P54-1212-100 (including R variations). Installation is designed to be straightforward with no drilling or advanced rewiring required when matching original connector types.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit for Peterbilt 579 (2013–present) and 587 (2011–2018)\u003c\/li\u003e\n  \u003cli\u003eReplaces P54-6147, P54-6147R, P54-1212-100, P54-1212-100R\u003c\/li\u003e\n  \u003cli\u003eIncludes both driver and passenger lamps for a symmetrical finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable are these lights in harsh truck conditions?\u003c\/h3\u003e\n\u003cp\u003eConstructed with vibration-resistant ABS housing and a UV-treated polycarbonate lens, the lights are built to withstand harsh highway vibration and prolonged sun exposure. They are sealed with high-grade sonic welding and rated IP67, so they hold up to pressure washing and wet weather without internal fogging.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP67 weatherproof rating prevents water ingress\u003c\/li\u003e\n  \u003cli\u003eUV-treated lens resists yellowing and cracking\u003c\/li\u003e\n  \u003cli\u003eReinforced housing tolerates long-haul vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about wiring and illumination levels?\u003c\/h3\u003e\n\u003cp\u003eThe turn signals use a brighter LED output than body marker lights; if the indicator does not blink when the headlight\/marker circuit is on, swap the connections to match high- and low-brightness circuits. This behavior is normal because the LED turn function is intentionally higher output.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-brightness turn function versus low-brightness marker circuit\u003c\/li\u003e\n  \u003cli\u003eSimple polarity or connector swap resolves non-blinking situations\u003c\/li\u003e\n  \u003cli\u003eNo resistors or complex modules required for typical installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Truck owners, fleet managers, and maintenance technicians who need a reliable, plug-and-play LED fender turn signal upgrade for Peterbilt 579 and 587 models. This kit suits anyone replacing worn or fogged factory lenses, modernizing a vehicle’s lighting for improved visibility, or restoring a consistent front-end look without lengthy downtime.\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 Peterbilt 579 and 587 models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They directly replace OEM P54-6147 and P54-1212-100 for Peterbilt 579 (2013+) and 587 (2011–2018) without drilling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What if the turn signal doesn't blink with the marker light on?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Swap the connection wires: the turn circuit is higher brightness than the marker circuit and may need reversing to blink properly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FV FIT VEHICLE PARTS MANUFACTURER","offers":[{"title":"Default Title","offer_id":48083873759390,"sku":"B09GLW3GSF","price":79.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/fv-led-front-fender-turn-signal-front-view.jpg?v=1785837951","url":"https:\/\/northtrailauto.ca\/products\/fv-fit-vehicle-parts-manufacturer-led-front-fender-turn-signal-lights-for-peterbilt-579-587-direct-fit-ip67-weatherproof-pair","provider":"North Trail Auto","version":"1.0","type":"link"}