{"product_id":"bosch-reflektor-1305320873-h4-mercedes-w123-breitband-lwr-links-scheinwerfer-nos","title":"Bosch Reflector 1305320873 H4 Mercedes W123 Wide-Band Beam-Height Adjustment Left Headlight NOS","description":"\u003cdiv style=\"background:#242833;border-radius:8px;padding:18px 20px;margin:0 0 14px;color:#ffffff;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong style=\"color:#c69a3a;\"\u003eBosch reflector 1 305 320 873 (H4) for the wide-band main headlights with beam-height adjustment of the Mercedes W123\/C123\/S123, left side of the vehicle.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#cfd3dc;\"\u003eNOS – uninstalled, from old stock  ·  Fits wide-band headlights with beam-height adjustment (from 09\/1982)  ·  \u003cstrong style=\"color:#c69a3a;\"\u003eChrome surface without corrosion\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f5f6f8;border-left:4px solid #c69a3a;border-radius:8px;padding:14px 18px;margin:0 0 16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003eCondition of this part\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eNew old stock (NOS) in the original Bosch box, manufactured before 1993. The chrome surface is glossy and free of corrosion, with only minimal storage and dust marks. The three yellow plastic adjuster mounts are undamaged, the rubber dust cap is present and intact, though slightly creased. The original box is aged and yellowed and carries a dealer note on the old tape.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFunction and location\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe reflector is the light-shaping heart of the headlight: the H4 dual-filament bulb sits centrally in the socket, and the asymmetrically designed rectangular mirror creates the cut-off line that rises to the right for right-hand traffic. The insert is aligned in the housing via the three ball-joint mounts, and the rubber dust cap seals it at the back. Dulled or hazy reflectors are the most common cause of dim light and a common failure point at the German MOT (HU) – the existing lens continues to be used.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe reflector sits in the wide-band main headlight housing at the front left, behind the lens, and clicks onto the ball sockets of the adjustment mechanism.\u003c\/p\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eHow can you tell a reflector is defective?\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 16px;padding-left:20px;\"\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eLow and high beam appear noticeably too dim or hazy despite a flawless lens.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eThe reflector surface appears hazy or dulled rather than mirror-like when viewed through the lens.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eThe cut-off line of the low beam is blurred or barely visible.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eThe vehicle fails the German MOT (HU) due to insufficient light output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCompatible vehicles\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eW123\/C123\/S123 (wide-band headlights with beam-height adjustment, from 09\/1982):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 16px;padding-left:20px;\"\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eW123 230 (123.023)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eW123 230 E (123.023)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eW123 280 E (123.123)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eC123 Coupe 230 C (123.143)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eC123 Coupe 280 C (123.243)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eS123 T-model 230 T (123.123)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 4px;\"\u003eS123 T-model 280 TE (123.223)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003eThe Bosch part number of this reflector insert is 1 305 320 873, designed for H4 bulbs and the left side of the wide-band main headlights with beam-height adjustment.\u003c\/p\u003e\n\u003cdiv style=\"background:#f5f6f8;border-left:4px solid #c69a3a;border-radius:8px;padding:14px 18px;margin:0 0 16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003e⚠ Important: compare the part number before buying\u003c\/p\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003eThe direct counterpart for the right side is Bosch 1 305 320 874 (Mercedes comparison number A 001 826 30 78). Please compare the number of your old part 1:1 to make sure it fits.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eDoes not fit:\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003eWide-band versions without beam-height adjustment (different mounts)\u003c\/li\u003e\n\u003cli\u003eHella headlights of any kind\u003c\/li\u003e\n\u003cli\u003eMercedes R107\/C107 SL\/SLC (different reflectors are used there, e.g. Bosch 1 305 320 869\/870)\u003c\/li\u003e\n\u003cli\u003eH3 fog reflector of the wide-band unit (1 305 320 845\/846) – that is a different part\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this part fit your car?\u003c\/strong\u003e Send us the VIN (chassis number) and model year – we'll check it for free: \u003ca href=\"tel:+491798991069\"\u003e0179 8991069\u003c\/a\u003e (Mon–Fri 8 am–6 pm) or via our \u003ca href=\"\/en\/pages\/contact?thema=Ersatzteil\"\u003econtact form\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eWhat's included in the scope of delivery?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eOnly the reflector insert is replaced; your existing lens continues to be used. Please refer to the product photos for the exact scope of delivery.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eHow do I know whether I need the left or right version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThis reflector (Bosch 1 305 320 873) is intended for the left side of the vehicle. The right side carries the number 1 305 320 874 (Mercedes comparison number A 001 826 30 78) – compare the number on your old part 1:1 before buying.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eWhy does the box look used even though the part is new?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThis is new old stock (NOS), manufactured before 1993. The part itself is unused; the original box shows only storage and ageing marks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRelated categories:\u003c\/strong\u003e \u003ca href=\"\/en\/collections\/w123\"\u003eW123\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKFZTeile-Thot\u003c\/strong\u003e specialises in spare parts for Mercedes classic cars. Free shipping within Germany, 60-day return policy.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":54984556446025,"sku":"90140","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/5344\/8777\/files\/57_88dbe003-3f42-4c70-8586-740950210866.jpg?v=1787304481","url":"https:\/\/kfzteile-thot.de\/en\/products\/bosch-reflektor-1305320873-h4-mercedes-w123-breitband-lwr-links-scheinwerfer-nos","provider":"KFZTeile-Thot","version":"1.0","type":"link"}