Part Quantity: Four individual injection nozzles are included in this package for diesel engine service. Part Number: This item corresponds to the DLLA150P2386 specification identified in the product title. System Type: These components function within a common rail pressure fuel injection system. Engine Application: The nozzles are intended for use in diesel engine configurations requiring this part. Replacement Function: This set serves as a direct functional substitute for the specified injection nozzle., Manufacturer: KwxbcRyog