Drum Brake Wheel Cylinder. Fits what vehicles: 1986-1989 Nissan Stanza, 1987-1988 Nissan Van, 1989-1994 Nissan Maxima, 1993-1998 Nissan Altima. Piston Quantity: 2The Centric Parts brake hydraulic program is the most complete and up-to-date in the industry and includes Brake Master and Wheel Cylinders; Brake Hoses; Caliper And Wheel Cylinder Repair Kits And Remanufactured Power Boosters.