{"product_id":"cummins-esc-speed-control-board-4913988-b1-v4","title":"Cummins ESC Speed Control Board 4913988-B1 Normally Closed Speed Controller for Diesel Generator | Aiendiesel","description":"\u003cp\u003eCummins speed control board 4913988-B1 is a normally closed type ESC electronic speed controller for diesel generator sets. It adopts closed-loop speed regulation with magnetic pickup signal input, which can stably control engine idle speed and rated speed, support droop adjustment for parallel generator operation, effectively reduce speed fluctuation under load changes, widely matched with Cummins K19, K38, K50, NT855 diesel generator engines.\u003c\/p\u003e\n\u003cp\u003ePart number: 4913988-B1\u003c\/p\u003e\n\u003cp\u003eFits: Cummins diesel generator set, K19, K38, K50, NT855 engine\u003cbr\u003ePosition: Engine speed control system\u003c\/p\u003e\n\u003cp\u003eWhat you are ordering\u003cbr\u003ePrice is per ESC speed control board. This is a normally closed type speed controller, not interchangeable with normally open versions. Wrong selection will cause speed runaway, unstable operation and generator failure.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003cbr\u003eType: Normally Closed ESC Speed Control Board\u003cbr\u003eAdjustable parameters: Gain, Droop, Run Speed, Idle Speed\u003cbr\u003ePower supply: DC 24V\u003cbr\u003eSignal input: Magnetic pickup (MPU) speed signal\u003cbr\u003ePackage: Neutral packing\u003c\/p\u003e\n\u003cp\u003eWhen to replace\u003cbr\u003eReplace the speed control board when generator speed surging, unstable frequency, no speed response, circuit board burnout or component damage.\u003c\/p\u003e\n\u003cp\u003eFitting notes\u003cbr\u003eStrictly confirm part number and normally closed type before ordering. Complete wiring check and speed calibration after installation. Follow Cummins service manual for wiring and parameter setting. If you are not sure which controller matches your engine, send us engine serial number for confirmation.\u003c\/p\u003e\n\u003cp\u003eWarranty and shipping\u003cbr\u003eCovered by a 12-month warranty against manufacturing defects. Orders are dispatched within 3–7 business days; DHL \/ FedEx delivery takes 5–10 business days. Tracking number is sent as soon as the parcel leaves our warehouse.\u003c\/p\u003e\n\u003cp\u003eNote: manufacturer names and part numbers are used for identification and cross-referencing only. We are an independent aftermarket supplier and are not affiliated with, or authorised by, the original manufacturer. Please verify the part number against your engine's parts catalogue before ordering — our team is happy to help if you send us your engine model or serial number.\u003c\/p\u003e","brand":"Aiendiesel","offers":[{"title":"Default Title","offer_id":50346636804373,"sku":null,"price":1029.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/6696\/9877\/files\/0243d5ac1d78624aec0ead8a24a2b935.png?v=1793676190","url":"https:\/\/www.aiendieselparts.com\/es\/products\/cummins-esc-speed-control-board-4913988-b1-v4","provider":"Aiendiesel","version":"1.0","type":"link"}