{"product_id":"4x6-6x4-black-led-headlights-h4-sealed-beam-bright-truck-fit","title":"4x6 6x4 Black LED Headlights H4 Sealed Beam - Bright Truck Fit","description":"\u003cp\u003eIn this review the reviewer examines a set of TRUE MODS 4in x 6in LED headlights aimed at truck owners and classic vehicle restorers who need a direct replacement with modern LED performance. The bottom line is straightforward: these lights deliver a substantial improvement in nighttime visibility and modern styling, with a clean black face, bright DRLs and a robust cast aluminum housing that feels built for heavy use. For anyone replacing H4651\/H4652 style sealed beams on Peterbilt, Kenworth or Freightliner models, the lights are worth considering for light output and durability.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh output:\u003c\/strong\u003e 9,600 lumens of 6500K pure white light provide clearer road illumination for safer nighttime driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet legal design:\u003c\/strong\u003e The 4in x 6in sealed beam form factor replaces common H4651\/H4652-style bulbs while keeping legal on-road performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Rugged cast aluminum body and polycarbonate lens resist heat and impact for long service life in commercial use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow power draw:\u003c\/strong\u003e At about 1.8 amps @ 12V the LED heads reduce electrical load compared with older halogen sealed beams.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile fit:\u003c\/strong\u003e Compatible with many semi-truck models and classic vehicles that use the H4 2a1 1a1 base, easing installation for fleets and hobbyists.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThese LED headlamps are best for owners of Freightliner Classic XL FLD 120, Peterbilt 379, Kenworth T600\/T800\/W900 series and other heavy trucks who want a bright, modern upgrade without changing housings. They also suit classics and light trucks that accept 4in x 6in rectangular sealed beam replacements and where a clean black face and DRLs are desired.\u003c\/p\u003e\u003cp\u003eShoppers who prefer OE-original halogen color or need confirmed plug-and-play wiring adapters for unusual harnesses should check fit carefully; a few buyers reported compatibility issues. If you must match a factory chrome look or need a specific certified beam pattern for specialty applications, consider other options.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcellent perceived brightness and long beam range for safer highway driving.\u003c\/li\u003e\n\u003cli\u003eSolid build quality with cast aluminum housing and durable polycarbonate lens.\u003c\/li\u003e\n\u003cli\u003eLow current draw that can ease stress on older vehicle electrical systems.\u003c\/li\u003e\n\u003cli\u003eAttractive black face and DRL styling improves the vehicle's appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome buyers reported fit or plug compatibility issues with nonstandard housings or older connectors.\u003c\/li\u003e\n\u003cli\u003eThe very bright 6500K tint may feel harsh compared with warmer halogen lighting for some users.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003e4in x 6in rectangular sealed beam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight output\u003c\/td\u003e\n\u003ctd\u003e9,600 lumens (pair spec from product LEDs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor temperature\u003c\/td\u003e\n\u003ctd\u003e6500K pure white\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower draw\u003c\/td\u003e\n\u003ctd\u003eApprox 1.8 amps @ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eCast aluminum body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens\u003c\/td\u003e\n\u003ctd\u003eDurable polycarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase compatibility\u003c\/td\u003e\n\u003ctd\u003eH4 2a1 1a1 \/ H4651 H4652 H4656 H4666 H6545\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThese 4in x 6in LED headlamps deliver a meaningful upgrade in brightness, durability and styling for truck drivers and classic vehicle owners seeking a direct sealed beam replacement. They represent good value for those who need improved night visibility and a rugged build, but buyers should verify plug and housing compatibility before purchasing to avoid installation surprises.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill these fit my Peterbilt 379?\u003c\/strong\u003e\u003cbr\u003eYes, they are listed as compatible with Peterbilt 379 and many other models that use the 4in x 6in sealed beam form.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo they draw more power than halogen?\u003c\/strong\u003e\u003cbr\u003eNo, these LEDs draw less power, around 1.8 amps @ 12V, which is lower than many halogen sealed beams.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre they street legal?\u003c\/strong\u003e\u003cbr\u003eThe design is described as street legal for sealed beam replacement applications, but confirm local regulations if you have specific compliance concerns.\u003c\/p\u003e","brand":"ONLINE LED STORE","offers":[{"title":"Default Title","offer_id":48232266039515,"sku":"B07JHGV4KQ","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91irwMAc0kL._AC_SL1500.jpg?v=1770787011","url":"https:\/\/gearmusthave.com\/products\/4x6-6x4-black-led-headlights-h4-sealed-beam-bright-truck-fit","provider":"GearMustHave","version":"1.0","type":"link"}