{"product_id":"lasfit-wt21w-t3-led-reverse-light-bulbs-xenon-white-2pc-1000lm-high-output-canbus-compatible","title":"LASFIT WT21W T3 LED Reverse Light Bulbs - Xenon White 2pc, 1000Lm High Output Canbus Compatible","description":"\u003cstrong\u003eLASFIT T3 WT21W LED bulbs are plug-and-play reverse lights that deliver high-output, canbus-compatible white illumination for modern Ford trucks and pickups.\u003c\/strong\u003e\n\n\u003cp\u003eIf you need a reliable reverse light upgrade for 2021–2024 Ford models, these LASFIT WT21W bulbs provide a brighter, longer-lasting alternative to halogen while minimizing dash errors. Designed for compatibility and easy installation, they pair advanced thermal management with built-in electronics so you don’t need external resistors or decoders in most vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eHow bright are these LASFIT reverse bulbs compared with stock halogens?\u003c\/h3\u003e\n\u003cp\u003eThese LED bulbs use 20 top-grade 3030 chips and produce about 24W and 1000 lumens per bulb, making them roughly 500% brighter than typical halogen reverse lights. The T3 form factor distributes light in a 360° pattern to improve visibility when backing up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e20 × 3030 LED chips per bulb for even light output\u003c\/li\u003e\n  \u003cli\u003e24W \/ ~1000 lumens per bulb for stronger illumination\u003c\/li\u003e\n  \u003cli\u003e360° lighting pattern reduces dark spots behind the vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these bulbs trigger canbus errors on my Ford Maverick or F-Series?\u003c\/h3\u003e\n\u003cp\u003eLASFIT upgraded the internal resistor and driver so these WT21W bulbs are compatible with about 99% of vehicle computer systems, reducing the need for external resistors or decoders. They’re marketed specifically for 2022–2024 Ford Maverick trims and 2021–2022 F-150\/F-250\/F-350 reverse circuits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in resistor and intelligent IC driver for canbus compatibility\u003c\/li\u003e\n  \u003cli\u003eTested with common vehicle ECUs to avoid error messages\u003c\/li\u003e\n  \u003cli\u003eStill compatible if an uncommon ECU requires an additional decoder\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I expect during fitment?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a straightforward plug-and-play swap that typically takes under five minutes with no wiring modifications. The bulbs are polarity sensitive: if one does not light, simply remove it, flip it, and reinstall to correct polarity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect WT21W \/ WT21 fit — no tools beyond basic access needed\u003c\/li\u003e\n  \u003cli\u003ePolarity-sensitive; reverse orientation if it doesn’t illuminate\u003c\/li\u003e\n  \u003cli\u003eNo extra resistors required in the majority of vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable are these LEDs and what thermal protection do they include?\u003c\/h3\u003e\n\u003cp\u003eEngineered for long life, each bulb features an aluminum body, internal heat-filter fins, and an Intelligent Temperature Control System for stable output up to 30,000 hours. LASFIT also includes mini fuses and an IC driver to protect against current spikes and to prolong service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAluminum casing and textured finish for efficient heat dissipation\u003c\/li\u003e\n  \u003cli\u003eInternal heat fins and ITCS extend bulb lifespan (~30,000 hrs)\u003c\/li\u003e\n  \u003cli\u003eLoad mini fuses and IC driver protect against electrical surges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These LASFIT T3 WT21W bulbs are ideal for Ford Maverick owners (2022–2024 XL, XLT, Lariat) and F-Series drivers (2021–2022 F-150, F-250, F-350) who want a brighter, maintenance-free reverse light without frequent replacements or dashboard errors. They suit drivers who prefer a clean xenon-white look, quick installation, and improved rear visibility while parking or towing.\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 LASFIT bulbs plug-and-play for my Ford Maverick?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They fit WT21W sockets and typically install in under five minutes without wiring mods; flip the bulb if polarity prevents illumination.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these bulbs cause dashboard canbus errors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most likely not—these have an upgraded built-in resistor and IC driver for 99% canbus compatibility, though rare ECUs may still need a decoder.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LASFIT","offers":[{"title":"Default Title","offer_id":55170241331543,"sku":"B09TKM1HH1","price":74.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/lasfit-front-view-packaging.jpg?v=1790425797","url":"https:\/\/britishgarage.co.uk\/products\/lasfit-wt21w-t3-led-reverse-light-bulbs-xenon-white-2pc-1000lm-high-output-canbus-compatible","provider":"British Garage","version":"1.0","type":"link"}