This push rod fit is compatible with Cummins Engine K19, K38, K50, QSK NT855. It comes in a pack of 6 with OE/OEM Part Number 3046420 and Manufacturer Part Number 217929, 3046420. This valvetrain component is perfect for those looking to replace or upgrade their engine part. It is designed to fit perfectly and provide optimal performance for your Cummins Engine. Get your hands on this high-quality push rod fit now and take the first step towards a smooth and efficient engine operation.