{"product_id":"cummins-nt855-pt-stc-fuel-pump-injector-nozzle-nt855-series","title":"PT STC fuel pump injector nozzle 4914537,4914452,4914308,4914505,4296806,4296808 for the Cummins NT855 diesel engine","description":"\u003cp\u003ePT STC fuel pump injector nozzle for the Cummins NT855 diesel engine, supplied as aftermarket replacement parts. All part numbers are cross-referenced against the original components, so you can match them directly to the nozzles you are replacing.\u003c\/p\u003e\n\u003cp\u003ePart numbers: 4914537, 4914452, 4914308, 4914505, 4296806, 4296808\u003cbr\u003eFits: Cummins NT855 \/ NTA855 diesel engine\u003cbr\u003ePosition: PT STC fuel injector assembly\u003c\/p\u003e\n\u003cp\u003eWhat you are ordering\u003cbr\u003ePrice is per injector nozzle, and all part numbers are separate variants — choose the correct part number you need from the variant menu. These nozzles are not interchangeable, different part numbers correspond to different fuel flow rates and power settings. Fitting the wrong nozzle will lead to abnormal fuel consumption, smoke output and engine power deviation.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003cbr\u003eMaterial: high-strength alloy steel, precision grinding of nozzle orifices\u003cbr\u003eConstruction: multi-hole nozzle design, pressure calibrated\u003cbr\u003eSpray angle and flow rate: to original specification\u003cbr\u003eFinish: anti-corrosion and wear-resistant treatment, each unit flow tested before packing\u003cbr\u003ePacking: individually protected, part number labelled on the bag\u003c\/p\u003e\n\u003cp\u003eWhen to replace\u003cbr\u003eInjector nozzles wear from contaminated fuel, poor filtration and long running hours. Typical symptoms are black or white exhaust smoke, rough idle, cylinder misfire, high fuel consumption, loss of power and overheating. If the nozzle is clogged, leaking or poorly atomizing, replace it promptly and inspect the fuel filter and fuel tank for contamination.\u003c\/p\u003e\n\u003cp\u003eFitting notes\u003cbr\u003eClean the injector bore and fuel passages thoroughly before installation. Torque the injector according to the NT855 service manual, then perform fuel timing check after replacement. If you are unsure which nozzle matches your engine CPL, send us your engine serial number and we will confirm the correct part number.\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.\u003cbr\u003e\u003c\/p\u003e","brand":"Aiendiesel","offers":[{"title":"4914537","offer_id":48448949420309,"sku":"","price":88.68,"currency_code":"USD","in_stock":true},{"title":"4914452","offer_id":48448949453077,"sku":"","price":88.68,"currency_code":"USD","in_stock":true},{"title":"4914308","offer_id":48448949485845,"sku":"","price":88.68,"currency_code":"USD","in_stock":true},{"title":"4914505","offer_id":48448949518613,"sku":"","price":88.68,"currency_code":"USD","in_stock":true},{"title":"4296806","offer_id":48448949551381,"sku":"","price":88.68,"currency_code":"USD","in_stock":true},{"title":"4296808","offer_id":48448949584149,"sku":"","price":88.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/6696\/9877\/files\/4914537.jpg?v=1722318094","url":"https:\/\/www.aiendieselparts.com\/products\/cummins-nt855-pt-stc-fuel-pump-injector-nozzle-nt855-series","provider":"Aiendiesel","version":"1.0","type":"link"}