{"product_id":"tyc-20-17478-00-headlight-assembly-left","title":"TYC 20-17478-00 Headlight Assembly - Left","description":"\u003ch2\u003eOE-Style Left Headlight for Sonata\u003c\/h2\u003e\u003cp\u003eThis TYC Regular headlight assembly is a direct-fit exterior lighting replacement for the left side of the 2020-2022 Hyundai Sonata. Part number 20-17478-00 is built as a complete assembly with LED bulbs included for the low beam, high beam, daytime running light, park lamp, and front signal functions.\u003c\/p\u003e\u003cp\u003eWith a clear lens, PC plastic lens material, and PP plastic housing, this assembly is made for a clean factory-style appearance and straightforward replacement on the Hyundai Sonata left headlight position.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2020-2022 Hyundai Sonata, left\u003c\/li\u003e\n\u003cli\u003eTYC Regular product line headlight assembly\u003c\/li\u003e\n\u003cli\u003eComplete assembly with bulbs included\u003c\/li\u003e\n\u003cli\u003eLED bulb type for low beam, high beam, DRL, park lamp, and front signal light\u003c\/li\u003e\n\u003cli\u003eClear lens for a factory-style exterior lighting look\u003c\/li\u003e\n\u003cli\u003ePC plastic lens and PP plastic housing\u003c\/li\u003e\n\u003cli\u003eSAE\/DOT compliant\u003c\/li\u003e\n\u003cli\u003eOther side reference: 20-17477-00\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eTYC part number 20-17478-00 is a left headlight assembly for the Hyundai Sonata, covering 2020, 2021, and 2022 model years. It is designed as a complete exterior lighting unit with LED bulbs included across the main lighting functions, making it a practical replacement for a damaged, faded, or non-functioning Sonata headlamp. The TYC Regular line focuses on OE-style replacement fitment for common repair needs, and this unit follows that approach with a clear lens and molded plastic construction.\u003c\/p\u003e\u003cp\u003eThis part cross-references Hyundai OE number 92101-L0100 and aftermarket reference HY2502251 for the same application. For shoppers searching for a 2020-2022 Hyundai Sonata left headlight assembly, TYC 20-17478-00 provides a direct replacement option that matches the vehicle’s lighting layout and left-side position.\u003c\/p\u003e\u003ch2\u003eCommon Reasons for Replacement\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or broken left headlight housing\u003c\/li\u003e\n\u003cli\u003eClouded or damaged lens affecting light output\u003c\/li\u003e\n\u003cli\u003eFailed LED lighting function in the headlamp assembly\u003c\/li\u003e\n\u003cli\u003eWater intrusion or internal moisture in the headlight\u003c\/li\u003e\n\u003cli\u003eRestoring proper front-end lighting after collision repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify left-side fitment before installation and compare the connector layout and mounting points to the original Sonata headlight assembly. Because this unit is supplied as a complete assembly, it is intended to replace the existing left headlamp rather than transfer internal lighting components. Confirm all lighting functions after installation, including low beam, high beam, daytime running light, park lamp, and front signal operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis TYC Regular headlight assembly is SAE\/DOT compliant and built for direct replacement use on the specified Hyundai Sonata applications. Part number 20-17478-00 is engineered to meet the lighting and fitment requirements of the listed vehicle years and left-side position.\u003c\/p\u003e","brand":"TYC","offers":[{"title":"Default Title","offer_id":52867266314421,"sku":"FQPX-20-17478-00","price":873.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TY_201747800_Fro.jpg?v=1785134848","url":"https:\/\/www.partcatalog.com\/products\/tyc-20-17478-00-headlight-assembly-left","provider":"PartCatalog","version":"1.0","type":"link"}