Perfect Fitment Compatible with Nissan Altima L4 2.5L (with Hydraulic Power Steering) . Good Sealing This Power Steering Rack Pinion is equipped with advanced spool valve seals and rack ring seals which eliminate internal leaks and ensure reliable performance. . Excellent Solution This part is the best professional solution for different kinds of steering problems (such as tight steering wheel . leaking fluid . grinding noise when steering . foul odour .etc) . and restores power steering's normal function . which also helps you save hundreds of dollars from OE part . Amazing Performance A-Premium Rack and Pinion Assembly is underwent hydraulic testing for steady flow . leakage and performance to ensure precise fitment and function. . Specification Material: Aluminum Thread Length: 2.10 inch Rack Length: 49.63 inch Input Shaft Length: 1.38 inch Pressure Port Thread Size: M14 x 1. Tie Rod Ends Included: Inner Only Part Number(s): 490018J000 . 49001ZB000 . 49521N