{"product_id":"lasfit-wt21w-led-backup-bulbs-for-ford-xenon-white-2pc-canbus-error-free-1000lm","title":"LASFIT WT21W LED Backup Bulbs for Ford — Xenon White 2pc, Canbus Error-Free 1000LM","description":"\u003cp\u003e\u003cstrong\u003eLASFIT T3 WT21W LED reverse bulbs are plug-and-play, canbus-compatible replacement lamps delivering bright xenon-white backup light for compatible Ford trucks and pickups.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese LASFIT WT21W\/7W LED bulbs upgrade factory halogen reverse lights with high-output 3030 LED chips, integrated resistors for broad vehicle compatibility, and thermal protection for longer life. They are sold as a pair and designed to fit the WT21\/WT21W reverse light socket common in recent Ford Maverick and F-Series Super Duty models.\u003c\/p\u003e\n\n\u003ch3\u003eHow much brighter and whiter are these bulbs compared with stock halogen?\u003c\/h3\u003e\n\u003cp\u003eThe LASFIT T3 WT21W bulbs use twenty premium 3030 LEDs per bulb and produce about 1,000 lumens each — roughly 500% brighter than typical halogen reverse lamps. The color temperature gives a crisp xenon-white appearance for clearer visibility when backing up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e20 × 3030 LED chips per bulb for balanced output\u003c\/li\u003e\n  \u003cli\u003e24W power draw and ~1000 LM brightness per bulb\u003c\/li\u003e\n  \u003cli\u003e360° full lighting pattern to reduce dark spots\u003c\/li\u003e\n  \u003cli\u003eXenon-white tone for improved contrast and camera clarity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these cause dashboard errors or hyper-flashing on my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThese LEDs include upgraded built-in resistors and an intelligent IC driver to avoid most canbus fault codes and hyper-flash issues. LASFIT reports compatibility with about 99% of vehicle systems, eliminating the common need for external decoders or resistors in supported vehicles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegrated resistor design for broad ECU compatibility\u003c\/li\u003e\n  \u003cli\u003eCanbus error-free performance on most modern cars\u003c\/li\u003e\n  \u003cli\u003eLoad MINI fuses protect against instantaneous high current\u003c\/li\u003e\n  \u003cli\u003eWorks with many 2022–2024 Ford Maverick and 2021–2022 F-Series models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I watch for?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a simple plug-and-play swap that usually takes under five minutes per bulb with no wiring changes. These bulbs are polarity-sensitive — if a bulb doesn’t light when first installed, remove it, flip it 180°, and reinstall.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo extra decoders or resistors generally required\u003c\/li\u003e\n  \u003cli\u003eFits WT21, WT21W, WT21\/7W reverse light sockets\u003c\/li\u003e\n  \u003cli\u003ePolarity-sensitive: reverse plug if it doesn’t light immediately\u003c\/li\u003e\n  \u003cli\u003eDesigned as a drop-in replacement for compatible Ford models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the bulbs last and how do they manage heat?\u003c\/h3\u003e\n\u003cp\u003eThe LASFIT WT21W LEDs are engineered for durability, with an estimated 30,000-hour lifespan thanks to a textured aluminum housing, internal heat-filter fins, and an Intelligent Temperature Control System (ITCS). Those thermal features keep LED components cooler for stable performance over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAluminum casing and textured finish for improved heat dissipation\u003c\/li\u003e\n  \u003cli\u003eInternal heat filter fins reduce thermal stress on LEDs\u003c\/li\u003e\n  \u003cli\u003eITCS (Intelligent Temperature Control System) for consistent output\u003c\/li\u003e\n  \u003cli\u003eRated lifetime around 30,000 hours under normal use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers who want a bright, reliable reverse light upgrade for late-model Ford Mavericks and F-Series trucks without complex wiring or external decoders. Pick the LASFIT T3 WT21W set if you need a crisp xenon-white backup beam, near-universal canbus compatibility, and a cooled aluminum design for longevity. Always confirm socket type (WT21\/WT21W) and vehicle fitment before purchase.\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: Are these WT21W bulbs plug-and-play?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They install in under five minutes with no extra decoders in most vehicles; bulbs are polarity-sensitive so flip if needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these trigger a canbus error or hyper-flash?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Unlikely. Built-in resistors and an intelligent IC driver make them compatible with about 99% of vehicle systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LASFIT","offers":[{"title":"Default Title","offer_id":48080938303646,"sku":"B09TKM1HH1","price":87.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/lasfit-wt21w-front-view-packaging.jpg?v=1785792929","url":"https:\/\/northtrailauto.ca\/products\/lasfit-wt21w-led-backup-bulbs-for-ford-xenon-white-2pc-canbus-error-free-1000lm","provider":"North Trail Auto","version":"1.0","type":"link"}