{"product_id":"cummins-l-isl-qsl-engine-water-pump-4934058-series-v3","title":"Water pump 4934058,5402699,3973114,3966841,5621945,3286293,3804927,3940052,4089647 for the Cummins L ISL QSL diesel engine","description":"\u003cp\u003eWater pump for Cummins L, ISL, QSL diesel engines, aftermarket cooling system component that circulates coolant inside the engine to maintain stable operating temperature. All part numbers are cross-referenced against OEM specs for direct matching.\u003c\/p\u003e\n\u003cp\u003ePart numbers: 4934058, 5402699, 3973114, 3966841, 5621945, 3286293, 3804927, 3940052, 4089647\u003cbr\u003eFits: Cummins L, ISL, QSL diesel engine\u003cbr\u003ePosition: Engine cooling circulation assembly\u003c\/p\u003e\n\u003cp\u003eWhat you are ordering\u003cbr\u003ePrice is per water pump. All part numbers are separate variants, please select the correct PN from variant options. These water pumps are not interchangeable. Different part numbers have different impeller design, port layout and mounting dimensions. Wrong selection will lead to insufficient coolant flow, engine overheating and fluid leakage.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003cbr\u003eMaterial: high-strength cast iron housing\u003cbr\u003eStructure: integrated pump body, impeller, shaft and mechanical seal\u003cbr\u003eFlow and pressure rating: matched to OEM specification\u003cbr\u003eFinish: precision machined sealing surface, leakage pressure tested before packing\u003cbr\u003ePacking: individual protective case, marked with part number\u003c\/p\u003e\n\u003cp\u003eWhen to replace\u003cbr\u003eReplace the water pump when shaft seal leaks, bearing produces abnormal noise, impeller is corroded or damaged. Common failure signs: coolant leakage, humming noise from pump, engine overheating. Replace the pump together with coolant during cooling system overhaul.\u003c\/p\u003e\n\u003cp\u003eFitting notes\u003cbr\u003eStrictly confirm engine serial number before ordering. Do not install water pumps of different part numbers interchangeably. Follow Cummins service manual for torque specification and cooling system bleeding after installation. If you are not sure which PN 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":"4934058","offer_id":50391260627221,"sku":null,"price":48.4,"currency_code":"USD","in_stock":true},{"title":"5402699","offer_id":50391260659989,"sku":null,"price":48.4,"currency_code":"USD","in_stock":false},{"title":"3973114","offer_id":50391260692757,"sku":null,"price":48.4,"currency_code":"USD","in_stock":false},{"title":"3966841","offer_id":50391260725525,"sku":null,"price":48.4,"currency_code":"USD","in_stock":false},{"title":"5621945","offer_id":50391260758293,"sku":null,"price":48.4,"currency_code":"USD","in_stock":false},{"title":"3286293","offer_id":50391260791061,"sku":null,"price":48.4,"currency_code":"USD","in_stock":false},{"title":"3804927","offer_id":50391260823829,"sku":null,"price":48.4,"currency_code":"USD","in_stock":false},{"title":"3940052","offer_id":50391260856597,"sku":null,"price":48.4,"currency_code":"USD","in_stock":false},{"title":"4089647","offer_id":50391260889365,"sku":null,"price":48.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/6696\/9877\/files\/1.png?v=1780114655","url":"https:\/\/www.aiendieselparts.com\/products\/cummins-l-isl-qsl-engine-water-pump-4934058-series-v3","provider":"Aiendiesel","version":"1.0","type":"link"}