CAUTION: BE SURE OF YOUR PUMP OEM PART NUMBER. Most of the power steering pump housings look identical with the pressure port pointing to the same direction. Therefore, you should be aware of the direction of rotation. BECAUSE IF YOU DO NOT CHOOSE THE CORRECT PUMP OEM NUMBER, THE PUMP YOU ARE ORDERING WILL NOT WORK. For OEM EV251615L101, 251615L101, PEV251615L101 Perfect Fit is a must for Steering Pumps. PSR pumps are precisely built to ensure proper Fit and Performance but will only work if you order the correct OEM number. Please confirm you are ordering the correct OEM number to save time and money. The OEM number may be found on the old pump you are replacing. Nominal Displacement: 25.0ml/r, Maximum Pressure: 150bar, Power Steering Fluid Feed Hole: 1 1/16-12UN Fluid Discharge Hole: 3/4-16UNF Controlled Flow Rate 16.0L/min, Direction of Rotation: LEFT All of our pumps have a one year warranty from date of purchase. MANUFACTORY REF No.: EV251615L101 -OEM REF No.: PEV251615L101 -Nominal displacement 25.0ml/r -Maximum pressure 150bar -Highest rotational speed 500-3600r/min -Controlled flow rate 16.0L/min -Power Steering Fluid Feed Hole: 1 1/16-12UN -Fluid discharge hole 3/4-16UNF -Direction of rotation LEFT This Pump is designed for KENWORTH T800 T600 (2002-2014) and similar PACCAR models.