[Vehicle Fitment]: Compatible with Nissan Altima 1998 1999 2000 2001 2.4L. [Reference Number]: 21-5218, 49110-9E005, 21-5274, 990-0199, 990-0237, 491100Z800, 215218, 491109E005, 215274, 9900199, 9900237. [Professional Replacement]: This power steering pump (aka: "power assit pump" or "vane pump") is replacement for above model's power steering fluid system, and may help you resolve those problems: steering fluid leaks squealing noise when steering heavy and jerky steering metal flakes in the fluid power steering symbol on dashboard !!!!.
