{"product_id":"2-pin-3-5mm-ignition-coil-generator-connector-oem-50290756-09441201-1685452728","title":"2-Pin 3.5mm Ignition Coil \u0026 Generator Connector – OEM 50290756 \/ 09441201 \/ 1685452728","description":"\u003ch2\u003e2-Pin 3.5mm Ignition Coil \u0026amp; Generator Connector – OEM 50290756 \/ 09441201 \/ 1685452728\u003c\/h2\u003e\n\n\u003cp\u003eDirect OEM-specification replacement for the 2-pin 3.5mm waterproof connector used on ignition coils and generator (alternator) harnesses. Cross-references OEM part numbers \u003cstrong\u003e50290756\u003c\/strong\u003e, \u003cstrong\u003e09441201\u003c\/strong\u003e, and \u003cstrong\u003e168 545 27 28\u003c\/strong\u003e (1685452728). Used across BMW and Mercedes-Benz platforms for ignition coil pack and alternator excitation harness connections. Available bare or with 15cm pre-wired leads.\u003c\/p\u003e\n\n\u003ch2\u003eOEM Part Number Cross-Reference\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM Number\u003c\/th\u003e\n\u003cth\u003eBrand \/ Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50290756\u003c\/td\u003e\n\u003ctd\u003eIgnition coil \/ generator connector — primary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e09441201\u003c\/td\u003e\n\u003ctd\u003eAlternate cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e168 545 27 28 \/ 1685452728\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz connector reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCircuit Function\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction (Ignition Coil)\u003c\/th\u003e\n\u003cth\u003eFunction (Generator)\u003c\/th\u003e\n\u003cth\u003eFailure Symptom if Corroded\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e+12V power to coil primary winding\u003c\/td\u003e\n\u003ctd\u003eAlternator excitation \/ field winding power\u003c\/td\u003e\n\u003ctd\u003eCoil not firing \/ alternator not charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eECU trigger signal (coil primary ground control)\u003c\/td\u003e\n\u003ctd\u003eVoltage regulator signal \/ charge indicator\u003c\/td\u003e\n\u003ctd\u003eP0351–P0356 misfire \/ battery not charging, B+ warning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Count\u003c\/td\u003e\n\u003ctd\u003e2-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Pitch\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Numbers\u003c\/td\u003e\n\u003ctd\u003e50290756 \/ 09441201 \/ 1685452728\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eHigh-temp nylon (PA66), waterproof sealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Option\u003c\/td\u003e\n\u003ctd\u003eBare connector \/ 15cm pre-wired leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eIgnition coil harness, generator \/ alternator excitation harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eBMW, Mercedes-Benz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFault Codes This Connector Fixes\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0351–P0356\u003c\/td\u003e\n\u003ctd\u003eIgnition coil A–F primary \/ secondary circuit malfunction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0300–P0306\u003c\/td\u003e\n\u003ctd\u003eRandom \/ cylinder-specific misfire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0562\u003c\/td\u003e\n\u003ctd\u003eSystem voltage low (alternator not charging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eBMW 3 Series \/ 5 Series (E46\/E60\/E90) – Ignition coil harness\u003c\/li\u003e\n\u003cli\u003eBMW 1 Series \/ X3 \/ X5 – Coil pack connector\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz C-Class \/ E-Class (W202\/W210\/W203\/W211) – Ignition coil and alternator harness\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz A-Class (W168) – Generator excitation connector (1685452728)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: My BMW has a cylinder-specific misfire and P0352 — is it the coil or the connector?\u003c\/strong\u003e\u003cbr\u003eA: A cylinder-specific misfire with P0352 on BMW is frequently caused by a corroded 2-pin ignition coil connector rather than a failed coil. Swap the coil to another cylinder — if the misfire follows the coil, the coil is faulty. If the misfire stays on the same cylinder, inspect the 2-pin connector before replacing the coil.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: My Mercedes battery warning light is on but the alternator tests OK — is it the connector?\u003c\/strong\u003e\u003cbr\u003eA: A battery warning light with a functional alternator on Mercedes-Benz is frequently caused by a corroded 2-pin alternator excitation connector. The excitation circuit (Pin 2) tells the voltage regulator to activate charging — a corroded pin causes the alternator to not receive the activation signal, even though the alternator itself is mechanically functional.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are terminals included?\u003c\/strong\u003e\u003cbr\u003eA: Yes, terminals are included with all variants.\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"Female \/ 1 Pcs","offer_id":47838273077493,"sku":"14:200004889#Female;200001249:202408827#1 Pcs","price":14.96,"currency_code":"USD","in_stock":true},{"title":"male \/ 1 Pcs","offer_id":47838273110261,"sku":"14:200004890#male;200001249:202408827#1 Pcs","price":21.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S3ae59b02e02e4ee6880ca840c45c4d9a4.webp?v=1773728394","url":"https:\/\/www.csldmcml.com\/products\/2-pin-3-5mm-ignition-coil-generator-connector-oem-50290756-09441201-1685452728","provider":"Cable Parts Online","version":"1.0","type":"link"}