{"product_id":"bosch-warmlaufregler-0438140100-mercedes-w123-230e-230ce-230te-m102-k-jetronic","title":"Bosch warm-up regulator 0438140100 Mercedes W123 230E 230CE 230TE M102 K-Jetronic","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;\"\u003eRefurbished genuine Bosch warm-up regulator.\u003c\/strong\u003e Bosch warm-up regulator 0438140100 for the K-Jetronic of the Mercedes-Benz four-cylinder inline engine M102 E23 in the W123\/C123\/S123 model series (230 E, 230 CE, 230 TE). The regulator was completely disassembled, cleaned, and set on the test bench to genuine Bosch specification.\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#cfd3dc;\"\u003eCompletely disassembled and cleaned  ·  New diaphragm and seals  ·  \u003cstrong style=\"color:#c69a3a;\"\u003e5-year warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003cspan style=\"display:inline-block;background:#f5f6f8;border:1px solid #c69a3a;border-radius:8px;padding:5px 12px;margin:2px 6px 2px 0;font-weight:600;\"\u003eControl pressure ✓\u003c\/span\u003e\u003cspan style=\"display:inline-block;background:#f5f6f8;border:1px solid #c69a3a;border-radius:8px;padding:5px 12px;margin:2px 6px 2px 0;font-weight:600;\"\u003eHeating resistor ✓\u003c\/span\u003e\u003cspan style=\"display:inline-block;background:#f5f6f8;border:1px solid #c69a3a;border-radius:8px;padding:5px 12px;margin:2px 6px 2px 0;font-weight:600;\"\u003eSprings ✓\u003c\/span\u003e\u003cbr\u003eThe control pressure was set on the test bench to genuine Bosch specification and the pressure values recorded, the heating resistor was tested for function, and the springs were replaced if needed.\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;\"\u003e5-year warranty on this refurbished warm-up regulator\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eShould there be a problem: send the regulator in – we will repair or replace it. In addition, a 60-day return policy and free shipping within Germany apply.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:0 0 16px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 6px;border-bottom:2px solid #242833;\"\u003eYour options\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 6px;border-bottom:2px solid #242833;\"\u003eCondition\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 6px;border-bottom:2px solid #242833;\"\u003eWarranty\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 6px;border-bottom:1px solid #e3e5e9;\"\u003eNew part from Bosch\u003c\/td\u003e\n\u003ctd style=\"padding:8px 6px;border-bottom:1px solid #e3e5e9;\"\u003eno longer manufactured\u003c\/td\u003e\n\u003ctd style=\"padding:8px 6px;border-bottom:1px solid #e3e5e9;\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 6px;border-bottom:1px solid #e3e5e9;\"\u003eUntested used regulator\u003c\/td\u003e\n\u003ctd style=\"padding:8px 6px;border-bottom:1px solid #e3e5e9;\"\u003eControl pressure and diaphragm condition unknown\u003c\/td\u003e\n\u003ctd style=\"padding:8px 6px;border-bottom:1px solid #e3e5e9;\"\u003enone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f6f8;\"\u003e\n\u003ctd style=\"padding:8px 6px;font-weight:700;\"\u003e\u003cstrong\u003eRefurbished genuine part (this listing)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px 6px;font-weight:700;\"\u003edisassembled, cleaned, new wear parts, set on the test bench\u003c\/td\u003e\n\u003ctd style=\"padding:8px 6px;font-weight:700;\"\u003e5 years ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow can you tell a warm-up regulator is faulty?\u003c\/h3\u003e\n\n\u003cp\u003eThe warm-up regulator is a control-pressure regulator of the Bosch K-Jetronic for the Mercedes-Benz 4-cylinder inline engine M102 E23. It lowers the control pressure when the engine is cold and thereby enriches the mixture during the warm-up phase; the electric heating adapts the regulation to the engine's characteristics.\u003c\/p\u003e\n\n\u003cp\u003eIf the regulator is faulty, the control pressure is no longer correctly lowered or adjusted during the warm-up phase, so the mixture enrichment during cold running is no longer correct.\u003c\/p\u003e\n\n\u003cp\u003eDetailed diagnostic guide in our guide: \u003ca href=\"\/en\/blogs\/mercedes-tacho-reparatur\/warmlaufregler-w123-230e-endnummer-0438140065\"\u003eWarm-up regulator W123 230 E: which end number fits\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat was done during refurbishment\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete disassembly into all individual parts\u003c\/li\u003e\n\u003cli\u003eCleaning in an ultrasonic bath\u003c\/li\u003e\n\u003cli\u003eNew diaphragm fitted\u003c\/li\u003e\n\u003cli\u003eSprings tested and replaced if needed\u003c\/li\u003e\n\u003cli\u003eAll seals renewed\u003c\/li\u003e\n\u003cli\u003eHeating resistor tested for function\u003c\/li\u003e\n\u003cli\u003eSet on the test bench to genuine Bosch specification\u003c\/li\u003e\n\u003cli\u003ePressure values recorded\u003c\/li\u003e\n\u003cli\u003eSupplied with new copper sealing rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFits the following vehicles\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eModel series W123 \/ C123 \/ S123 (1976–1986)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e230 E Sedan [W123] — 100 kW (136 hp), 2.3 l, engine M102 E23, model year 04.1980 – 12.1985\u003c\/li\u003e\n\u003cli\u003e230 CE Coupe [C123] — 100 kW (136 hp), 2.3 l, engine M102 E23, model year 04.1980 – 12.1985\u003c\/li\u003e\n\u003cli\u003e230 TE T-model \/ wagon [S123] — 100 kW (136 hp), 2.3 l, engine M102 E23, model year 04.1980 – 12.1985\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe Bosch numbers 0438140065, 0438140097 and 0438140150 are compatible for the same fitment and directly interchangeable in case of shortages.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart numbers:\u003c\/strong\u003e Bosch 0438140100 · Mercedes 000 070 27 62 (A 000 070 27 62) · Mercedes 102 070 03 62 (A 102 070 03 62) · Replacement number 0438140150 · Bosch refurbish service no. F 026 TX2 103\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 8px;\"\u003eThis warm-up regulator is intended exclusively for the fuel-injected models E, CE and TE with the four-cylinder engine M102 E23, not for carburetor versions. The 230 GE (G-Class) uses a different warm-up regulator (0438140065), and the six-cylinder models 280 E, 280 CE, 280 TE use different regulators (e.g. 0438140057, 0438140067, 0438140147). The successor model series W124 with KE-Jetronic uses completely different components from 1985. Before buying, please compare the Bosch number on your old part exactly with the part number given here.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:600;\"\u003eDoes not fit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarburetor versions (200, 230, 230 C, 230 T) do not need this regulator — it is intended exclusively for the fuel-injected \"E\" \/ \"CE\" \/ \"TE\" models with the M102 engine\u003c\/li\u003e\n\u003cli\u003eThe 230 GE [W460] G-Class uses a different warm-up regulator (0438140065)\u003c\/li\u003e\n\u003cli\u003e6-cylinder models such as 280E, 280CE, 280TE [W123] use different regulators (e.g. 0438140057, 0438140067, 0438140147)\u003c\/li\u003e\n\u003cli\u003eThe successor model series W124 from 1985 with KE-Jetronic uses completely different components\u003c\/li\u003e\n\u003cli\u003eDiesel models (240D, 300D) do not have a warm-up regulator\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\u003eFAQ\u003c\/h3\u003e\n\n\u003ch4\u003eWhat warranty is provided?\u003c\/h4\u003e\n\n\u003cp\u003e5-year warranty on this refurbished regulator. If there is a problem, send it in – we will repair or replace it. In addition, a 60-day return policy and free shipping within Germany apply.\u003c\/p\u003e\n\n\u003ch4\u003eDoes the regulator fit my vehicle?\u003c\/h4\u003e\n\n\u003cp\u003eCompare the Bosch number on your old part exactly with the part number given here. If you are unsure, we will check the fit for free using the VIN (chassis number), model year or engine code.\u003c\/p\u003e\n\n\u003ch4\u003eWhat was done to the regulator?\u003c\/h4\u003e\n\n\u003cp\u003eThe regulator was completely disassembled, cleaned in an ultrasonic bath, and fitted with a new diaphragm and new seals. The heating resistor was tested for function, and the springs were replaced if needed. It was then set on the test bench to genuine Bosch specification and the pressure values were recorded. It is supplied with new copper sealing rings.\u003c\/p\u003e\n\n\u003ch4\u003eWhy not a new part?\u003c\/h4\u003e\n\n\u003cp\u003eBosch no longer supplies new warm-up regulators. That is why we rely on refurbishing genuine parts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKFZTeile-Thot\u003c\/strong\u003e specializes in spare parts for Mercedes classic cars and classics – with in-house refurbishment for Bosch K-Jetronic components.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":54850905211209,"sku":"60736","price":549.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/5344\/8777\/files\/57_936547a6-3225-4936-9bc9-20d61ce39a52.jpg?v=1787305710","url":"https:\/\/kfzteile-thot.de\/en\/products\/bosch-warmlaufregler-0438140100-mercedes-w123-230e-230ce-230te-m102-k-jetronic","provider":"KFZTeile-Thot","version":"1.0","type":"link"}