{"product_id":"cummins-k19-k38-cylinder-head-3646323-series-v4","title":"Cummins K19 K38 Cylinder Head 3646323 Series for Diesel Engine | Aiendiesel","description":"\u003cp\u003eCummins K19 K38 engine cylinder head 3646323 Series is a critical upper assembly of the diesel engine. It accommodates valves, valve springs, injector seats and cooling water passages, controlling air intake, exhaust and fuel injection. Widely used in mining machinery, marine engines, generator sets and heavy construction equipment.\u003c\/p\u003e\n\u003cp\u003ePart numbers in this series:\u003cbr\u003e3646323, 3021692, 3640321, 3811985\u003c\/p\u003e\n\u003cp\u003eFits: Cummins K19, K38 Diesel Engine\u003cbr\u003ePosition: Engine top assembly\u003c\/p\u003e\n\u003cp\u003eWhat you are ordering\u003cbr\u003ePrice is per cylinder head. All part numbers are separate variants, please select the correct PN from variant options. These cylinder heads are not interchangeable. Different part numbers have different oil passage, water passage and valve port layout. Wrong selection will lead to overheating, air leakage and engine failure.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003cbr\u003eType: Bare \/ Complete Cylinder Head\u003cbr\u003eMaterial: High strength cast iron\u003cbr\u003eProcess: Precision machining, pressure tested\u003cbr\u003ePackage: Wooden case packing\u003c\/p\u003e\n\u003cp\u003eWhen to replace\u003cbr\u003eReplace the cylinder head when cracking, water leakage, air leakage, burning gasket, or severe thread damage occurs.\u003c\/p\u003e\n\u003cp\u003eFitting notes\u003cbr\u003eStrictly confirm part number before ordering. Pressure test and surface flatness inspection are recommended before installation. Follow Cummins service manual for torque sequence and tightening specification. If you are not sure which cylinder head 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":"3646323","offer_id":50394280624405,"sku":null,"price":1320.0,"currency_code":"USD","in_stock":true},{"title":"3021692","offer_id":50394280657173,"sku":null,"price":1320.0,"currency_code":"USD","in_stock":true},{"title":"3640321","offer_id":50394280689941,"sku":null,"price":1320.0,"currency_code":"USD","in_stock":true},{"title":"3811985","offer_id":50394280722709,"sku":null,"price":1320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/6696\/9877\/files\/3_4a52834c-b8a9-4a94-a46e-1d91ec9dc03a.png?v=1793683859","url":"https:\/\/www.aiendieselparts.com\/es\/products\/cummins-k19-k38-cylinder-head-3646323-series-v4","provider":"Aiendiesel","version":"1.0","type":"link"}