Brand ?PHILTOP OEM Part Number ?21-5143, 4432050030 Product Dimensions ?8.27 x 6.89 x 6.3 inches Manufacturer Part Number ?4557PSP244MUS Item Weight ?2.99 pounds Wide Compatibility: PHILTOP Power Steering Pump Fits for LS400 1998-2000 Meets OE Standard: Our products comply with OE standards and are factory-fitted perfectly to the original model. OE Part Number: 4432050030 Why and when do you need to replace: A new Power Steering Pump can assist drivers in adjusting the direction of their vehicle, lowering the amount of power required to move the steering wheel and making drivers safer on the road. When you notice that your vehicle's wheels are not running smoothly, the steering wheel spins slowly or even stiffly, or the steering system makes a loud noise. Quiet Operation: Removes operating-related steering noise and improves the body's steering performance. provides more comfortable steering for drivers while they are on the road. Comfortable Experiences: Makes it easier and more stable for drivers to maneuver when they are more at ease. This significantly lessens tired driving Specification Fitment: LS400 1998-2000 4L Part Number: 4432050030 OE Number: 21-5143 Replace it while Facing the following problems? Leakage Phenomenon Slow Wheel Response Steering Noise Difficult Operation Fitment