{"product_id":"ate-hauptbremszylinder-24-2122-0501-3-nos-22-2mm-tandem-made-in-japan-bremse-neu","title":"ATE Master Cylinder 24.2122-0501.3 NOS 22.2mm Tandem Made in Japan Brake NEW","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;\"\u003eTandem master cylinder ATE 24.2122-0501.3, NOS with 22.2 mm piston diameter, made in Japan.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#cfd3dc;\"\u003eNOS – original box with inspection\/customs sticker  ·  Piston Ø 22.2 mm factory-documented  ·  \u003cstrong style=\"color:#c69a3a;\"\u003eCylinder 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 box printed \"Made in Japan\" with the original inspection\/customs sticker. Cylinder without corrosion, coating even, flange and thread clean, cable and connector intact. Plastic reservoir minimally hazy from age. Box slightly damaged at one corner, label fully legible. After long storage, this safety-relevant component should be professionally inspected before installation, filled with fresh brake fluid, and the brake system bled – installation by qualified personnel only.\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 master cylinder converts the pedal force amplified by the brake booster into hydraulic pressure. As a tandem cylinder, it serves two separate brake circuits – if one circuit fails, the second remains functional. The float switch in the reservoir signals a fluid shortage to the warning light.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eInstallation location: in the engine bay on the bulkhead, bolted directly to the brake booster.\u003c\/p\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eHow can you tell that a master cylinder is faulty?\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 16px;padding-left:20px;\"\u003e\n\u003cli\u003eBrake pedal can be pressed further down or becomes spongy\u003c\/li\u003e\n\u003cli\u003eBrake fluid warning light comes on because the float switch signals a shortage\u003c\/li\u003e\n\u003cli\u003eDecreasing or uneven braking performance if one circuit fails\u003c\/li\u003e\n\u003cli\u003eVisible fluid loss at the cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003eThis cylinder carries the number 24.2122-0501.3. At ATE, the bore code 2122 stands for a piston diameter of 22.2 mm; for comparison within the ATE system: 24.2119 = 19.05 mm, 24.2120 = 20.64 mm, 24.2123 = 23.81 mm.\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 number 24.2122-0501.3 has been discontinued for decades and is no longer listed in current ATE\/TecDoc catalogs, so vehicle fitment can no longer be verified. Manufacture in Japan suggests use in a Japanese vehicle from the early 1980s. Before buying, please be sure to compare the part number and technical features (piston Ø 22.2 mm, design, flange layout, port position, level switch) with your old part.\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\u003eATE numbers of other bore groups (24.2119 = 19.05 mm, 24.2120 = 20.64 mm, 24.2123 = 23.81 mm, etc.)\u003c\/li\u003e\n\u003cli\u003eCurrent 24.2122-15xx\/17xx\/19xx numbers of the same bore with different geometry\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\u003eDoes this cylinder fit my vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eNo current vehicle fitment can be verified for the number 24.2122-0501.3, so we do not list a vehicle list here. Please compare the part number, piston Ø (22.2 mm), design, flange layout, port position and level switch with your old part.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eWhat condition is the cylinder in?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eNew old stock (NOS) in the original box printed \"Made in Japan\" with an inspection\/customs sticker. The cylinder shows no corrosion, the plastic reservoir is minimally hazy from age, and the box is slightly damaged at one corner.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eIs there anything I should note before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eAfter long storage, this safety-relevant component should be professionally inspected before installation, filled with fresh brake fluid, and the brake system bled. Installation should be carried out by qualified personnel only.\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":"ATE","offers":[{"title":"Default Title","offer_id":54984556413257,"sku":"90139","price":279.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/5344\/8777\/files\/57_96044c45-f4fc-4dcf-b399-d3cfb6ef511e.jpg?v=1787304480","url":"https:\/\/kfzteile-thot.de\/en\/products\/ate-hauptbremszylinder-24-2122-0501-3-nos-22-2mm-tandem-made-in-japan-bremse-neu","provider":"KFZTeile-Thot","version":"1.0","type":"link"}