This listing is for a brand new injector kit that has been remanufactured by Cummins. This kit is a combination of Injector part number 2872544PX and Injector Fuel Supply Connector part # 2894827. Both parts come with this kit as shown in the photos. Other OEM Part Numbers That Will Work: 2872289, 2872544, 2872289NX, 2872544NX, 2872544RX, 2872544PX. Please contact us with your Engine Serial Number if you are unsure if this will work for your application.