{"product_id":"diode-dynamics-dd0492p-h4-sl2-pro-led-bulbs","title":"Diode Dynamics DD0492P H4 SL2 Pro LED Bulbs – White – Pair","description":"\u003ch1 class=\"p1\"\u003eDiode Dynamics DD0492P H4 SL2 Pro LED Bulbs – White – Pair\u003c\/h1\u003e\n\u003cp class=\"p1\"\u003eUpgrade compatible H4 lighting with the \u003ca href=\"https:\/\/premiermotorsportsgroup.com\/products\/diode-dynamics-dd0492p-h4-sl2-pro-led-bulbs\" target=\"the same window\" title=\"Diode Dynamics DD0492P H4 SL2 Pro LED Bulbs Pair - White\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDiode Dynamics DD0492P H4 SL2 Pro LED Bulbs\u003c\/b\u003e\u003c\/span\u003e\u003c\/a\u003e. Designed as a compact replacement for H4 halogen bulbs, the SL2 Pro combines advanced LED technology, integrated cooling, and a fully integrated design without external drivers or loose wiring.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe H4 configuration provides both \u003cspan class=\"s1\"\u003e\u003cb\u003ehigh-beam and low-beam functionality\u003c\/b\u003e\u003c\/span\u003e in the same bulb, operating similarly to the equivalent factory H4 halogen bulb. \u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eH4 \/ 9003 bulb size\u003c\/li\u003e\n\u003cli\u003eSL2 Pro LED technology\u003c\/li\u003e\n\u003cli\u003eWhite LED output\u003c\/li\u003e\n\u003cli\u003eHigh and low beam functionality\u003c\/li\u003e\n\u003cli\u003eDirect replacement design\u003c\/li\u003e\n\u003cli\u003eCompact fitment\u003c\/li\u003e\n\u003cli\u003eFully integrated construction\u003c\/li\u003e\n\u003cli\u003eNo external driver or loose wiring\u003c\/li\u003e\n\u003cli\u003eIntegrated top-mounted cooling fan\u003c\/li\u003e\n\u003cli\u003eEngineered for correct optical focus\u003c\/li\u003e\n\u003cli\u003eTwo LED bulbs included\u003c\/li\u003e\n\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\n\u003cli\u003eDesigned and engineered in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSL2 Pro LED Technology\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e\u003ca href=\"https:\/\/premiermotorsportsgroup.com\/pages\/diode-dynamics-led-lighting\" target=\"_blank\" title=\"Diode Dynamics Motor Vehicle LED Lights Aftermarket Performance Off-Road Lighting Products\" rel=\"noopener\"\u003eDiode Dynamics \u003c\/a\u003edeveloped the SL2 Pro as an evolution of its previous SL1 LED bulb. The SL2 Pro uses next-generation \u003cspan class=\"s1\"\u003e\u003cb\u003eThermal Separation Technology (TST)\u003c\/b\u003e\u003c\/span\u003e LEDs designed to reduce thermal resistance while maintaining optical focus.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe bulb is engineered to position its light similarly to the original halogen source, helping maintain the intended beam pattern rather than simply producing uncontrolled additional light.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAn integrated top-mounted fan manages heat within a compact, fully integrated package, eliminating the need for a separate external driver.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eH4 High \u0026amp; Low Beam Functionality\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThe H4 bulb format combines high and low beams into a single bulb. Diode Dynamics confirms that its SL2 and SL2 Pro H4 bulbs are designed to behave like the corresponding halogen H4 configuration, providing both functions from the same bulb.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eFitment\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eManufacturer Part Number:\u003c\/b\u003e\u003cspan class=\"s2\"\u003e DD0492P\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBulb Size:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e H4 \/ 9003\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSeries:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e SL2 Pro\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eColor:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e White\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eQuantity:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e Pair\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDD0492P is used across multiple vehicle applications that utilize compatible H4 bulbs. Diode Dynamics currently lists vehicle-specific applications including select Toyota, Honda, Mazda, Nissan, and other vehicles.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAlways confirm your vehicle’s \u003cspan class=\"s1\"\u003e\u003cb\u003eyear, make, model, headlight configuration, and factory bulb size\u003c\/b\u003e\u003c\/span\u003e before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo (2) Diode Dynamics H4 SL2 Pro LED bulbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eInstallation\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThe SL2 Pro features a compact, integrated design intended as a direct replacement for compatible factory H4 bulbs. Installation requirements and available clearance can vary by vehicle.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAlways verify bulb access, electrical compatibility, dust-cap clearance, and vehicle-specific requirements before installation.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eImportant U.S. Headlight Use Notice\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eLED replacement bulbs installed in halogen headlamp housings are not DOT\/FMVSS108 compliant for street-legal headlight use in the United States.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDiode Dynamics specifies that its LED replacement bulbs are legal in the USA for \u003cspan class=\"s1\"\u003e\u003cb\u003efog-light use only\u003c\/b\u003e\u003c\/span\u003e. International regulations vary by country.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eWarranty\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eDiode Dynamics SL2 Pro LED bulbs are backed by a \u003cspan class=\"s1\"\u003e\u003cb\u003eLimited Lifetime Warranty\u003c\/b\u003e\u003c\/span\u003e, subject to the manufacturer’s warranty terms and exclusions.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCalifornia Proposition 65 Warning\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eWARNING:\u003c\/b\u003e This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"Diode Dynamics","offers":[{"title":"Default Title","offer_id":48901981634802,"sku":"DD0492P","price":249.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/6965\/2722\/files\/dd0492p_h4_sl2_pro_white_pair_full_size_2.jpg?v=1783396798","url":"https:\/\/premiermotorsportsgroup.com\/products\/diode-dynamics-dd0492p-h4-sl2-pro-led-bulbs","provider":"Premier Motorsports Group","version":"1.0","type":"link"}