{"product_id":"ate-hauptbremszylinder-24-2120-0505-3-nos-20-64mm-made-in-japan-mazda-rx-7-ab-80","title":"ATE Master Cylinder 24.2120-0505.3 NOS 20.64mm Made in Japan Mazda RX-7 from 80","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;\"\u003eOriginal ATE tandem master cylinder with part number 24.2120-0505.3, piston diameter 20.64 mm (13\/16 inch), new old stock (NOS) from Japan.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#cfd3dc;\"\u003eGenuine part (ATE \/ Alfred Teves)  ·  NOS – new old stock  ·  \u003cstrong style=\"color:#c69a3a;\"\u003eIn original box, Made in Japan\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 ATE box (printed: \"Original spare part from Japan\"). Cylinder body without corrosion, reservoir clear and unstained, cap, level warning switch and connector undamaged. The box is rubbed from age and storage and carries old dealer notes (RX7, Mazda from 80). After long storage, the part should be professionally inspected before installation, filled with fresh brake fluid, and the system bled.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFunction and location\u003c\/h3\u003e\n\u003cp\u003eThe master cylinder converts the pedal force amplified by the brake booster into hydraulic pressure and supplies two separate brake circuits. If one circuit fails, the second keeps the vehicle able to brake. The mounted reservoir with MAX\/MIN markings holds the brake fluid; the level warning switch (2-pin connector) signals a fluid shortage to the warning light.\u003c\/p\u003e\n\u003cp\u003eInstallation location: in the engine bay on the bulkhead, bolted directly to the brake booster (2-hole flange), with two side line connections.\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\u003e\n\u003cli\u003eBrake pedal can be depressed far or feels soft\/spongy\u003c\/li\u003e\n\u003cli\u003eFluid loss at the cylinder or an unusually dropping level in the reservoir\u003c\/li\u003e\n\u003cli\u003eBrake fluid level warning light comes on (level warning switch signals a shortage)\u003c\/li\u003e\n\u003cli\u003eReduced braking effect if one of the two brake circuits fails\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePart numbers:\u003c\/strong\u003e The part number is 24.2120-0505.3 (ATE \/ Alfred Teves, 24.2120 series), piston diameter 20.64 mm (13\/16 inch). Not to be confused with the bore groups 24.2119 (19.05 mm), 24.2122 (22.2 mm) and 24.2123 (23.81 mm), or other numbers in the 24.2120 series.\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 has been discontinued for decades and is no longer listed in current catalogs – catalog fitment can no longer be verified. On the box and label, the part carries old dealer stock notes \"Mazda\" and \"RX7 ab. 80\" (Mazda RX-7 SA22C\/FB from model year 1980). We pass these notes along as a reference, not as a guarantee of compatibility. Before buying, please be sure to compare the part number and dimensions (piston Ø 20.64 mm, 2-hole flange, port layout) 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, 24.2122 = 22.2 mm, 24.2123 = 23.81 mm, etc.)\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;\"\u003eThe scope of delivery is shown in the product photos.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eIs suitability for the Mazda RX-7 confirmed by a current catalog?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eNo. The notes \"Mazda\" and \"RX7 ab. 80\" come from an old dealer stock note on the box and label and are passed along as a reference, not as a guarantee of compatibility. Before buying, please compare the part number and dimensions (piston Ø 20.64 mm, 2-hole flange, port layout) with your old part.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eCan I install the cylinder right away?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe part is new old stock (NOS). After long storage, it should be professionally inspected before installation, filled with fresh brake fluid, and the system bled.\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":54984556314953,"sku":"90135","price":229.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/5344\/8777\/files\/57_c235c894-b252-485e-bb8b-01a2d9c93f6b.jpg?v=1787304474","url":"https:\/\/kfzteile-thot.de\/en\/products\/ate-hauptbremszylinder-24-2120-0505-3-nos-20-64mm-made-in-japan-mazda-rx-7-ab-80","provider":"KFZTeile-Thot","version":"1.0","type":"link"}