{"product_id":"bosch-zundverteilerkappe-1235522224-mercedes-w123-250-250-t-m123-6-zyl-nos-ovp","title":"Bosch Distributor Cap 1235522224 Mercedes W123 250 + 250 T M123 6 Cyl NOS OVP","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;\"\u003eDistributor cap for Mercedes W123 250 and S123 250 T with the six-cylinder M123, Bosch part number 1235522224.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#cfd3dc;\"\u003eGenuine part – NOS, unused  ·  Original Bosch packaging  ·  \u003cstrong style=\"color:#c69a3a;\"\u003eFits W123 250 and S123 250 T\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\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 – New Old Stock), unused in the original Bosch box. Contacts inside bare, no burn marks or tracking marks, carbon brush unused and springs back, thermoset plastic without hairline cracks, brass threaded pins of the seven towers undamaged. The box shows age-related storage patina; the cap itself is in perfect condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFunction and location\u003c\/h3\u003e\n\u003cp\u003eThe distributor cap sits as a lid on the ignition distributor and distributes the high-voltage pulse passed on by the rotor arm via the side contacts to the six spark plugs in the correct firing order. The highly insulating thermoset plastic prevents flashover and tracking currents.\u003c\/p\u003e\n\u003cp\u003eIt is fitted on the ignition distributor on the left side of the inline six-cylinder M123 engine, under the six spark plug cables plus the center connection to the ignition coil.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eHow can you tell that a distributor cap is faulty?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine runs rough and jerks\u003c\/li\u003e\n\u003cli\u003eIgnition misfires, noticeable as stuttering under load\u003c\/li\u003e\n\u003cli\u003ePoor cold start\u003c\/li\u003e\n\u003cli\u003eIncreased misfires in wet conditions due to tracking currents or flashover at hairline-cracked spots\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCompatible vehicles\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eW123 Sedan 250:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e250 with engine M123.920 and M123.921 – 02\/1976 to 10\/1979 with 95 kW \/ 129 hp, from 10\/1979 with 103 kW \/ 140 hp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eS123 Wagon 250 T:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e250 T, 05\/1978 to 08\/1982, 103 kW or 95 kW\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe Bosch part number of this distributor cap is 1235522224, the corresponding Mercedes part number 000 158 38 02 (version with seven towers and screw contacts).\u003c\/p\u003e\n\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;\"\u003eThis cap has screw contacts for the early M123 version. The Mercedes number 000 158 40 02 is incorrectly assigned to this cap in some catalogs – the reliable number for this part is 000 158 38 02. Please compare the number of towers, connection type (screwed rather than clamped) and cap diameter with the old part before buying.\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\u003e280 and 280 E with M110 – Bosch 1235522074 or 1235522329 \/ Mercedes 000 158 44 02 apply there\u003c\/li\u003e\n\u003cli\u003eFour-cylinder 200 and 230 with M115 or M102 – e.g. Bosch 1235522380 \/ Mercedes A 000 158 49 02 there\u003c\/li\u003e\n\u003cli\u003eLater M123 version with electronic ignition and clamp system – Bosch 1235522318 \/ Mercedes 000 158 40 02 applies for that\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\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\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 exact scope of delivery is shown in the product photos.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eDoes this cap also fit the six-cylinder 280\/280 E or the four-cylinder models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eNo. For 280 and 280 E with M110, Bosch 1235522074 or 1235522329 apply; for the four-cylinder 200 and 230 with M115 or M102, e.g. Bosch 1235522380 – these are all different caps.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eCan I return the part if it doesn't fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eYes, the 60-day return policy stated below applies.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRelated categories:\u003c\/strong\u003e \u003ca href=\"\/en\/collections\/w123\"\u003eW123\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/kraftstoffsystem\"\u003eFuel system \u0026amp; injection\u003c\/a\u003e\u003c\/p\u003e\n\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":54960880288073,"sku":"90027","price":109.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/5344\/8777\/files\/57_28285dde-6a6d-482d-af0b-2f6221f2164e.jpg?v=1787304157","url":"https:\/\/kfzteile-thot.de\/en\/products\/bosch-zundverteilerkappe-1235522224-mercedes-w123-250-250-t-m123-6-zyl-nos-ovp","provider":"KFZTeile-Thot","version":"1.0","type":"link"}