This is a Remanufactured Injector for 6.0L Ford Powerstroke, it includes one injector with Viton O-rings to install. The product carries a one-year unlimited mileage . New OEM Solenoid & New Spool Valves on All Units. These injectors are fully remanufactured and calibrated on the HA230 test stand. A core is required for this listing. A core is your old diesel pump and or diesel injectors. When the order is placed you will need to contact us through . At that time we will ask for a good email to send a core agreement form too. A core agreement form is an electric document that we send to customers that states you will send your cores back to us 35 days after the day your package is delivered. This will also activate the on your product. All orders will receive a return label with their new product to ship the cores back to us. The core charge on this product is 150.00. Interchangeable / OE Part Number: 1845879C91 , 1843481C94 , 1843481C95 , 3C3Z-9E527-ECRM , CN-5020-RM , 3C3Z-9E527-ABRM , 3C3Z-9E527-AE , 3C3Z-9E527-EARM , 3C3Z-9E527-EBRM , CN-5013-RM , 4C3Z-9E527-BRM , CN-5019-RM , 1844751C , 4C3Z-9E527-AA , CN-5015 , 6918-PP , AP60900 , AP60901 , 4C3Z9E527AA , 4C3Z9E527BRM , 7E7Z9E527AA , 6919-PP 6 0 6.0 6 POLICY Almost all of our products carry a 1-year unlimited mileage 'No Hassle'' . Please refer to the original advertisement to see the specific info for each individual product. To initiate the process, there is standard paperwork needed to ensure that returned product is handled properly. Below is a copy of the standard paperwork for the majority of our products. PLEASE NOTE: Install of our products constitutes your agreement with the following disclaimer. Please do not install our products unti you have read, understand and agree to the following policy. TERMS Grab That LLC, hereafter mentioned as GTLLC, issues the following on all GTLLC