The DFC rear brake wheel cylinder for 1990–2004 Infiniti QX4 is a replacement rear-wheel hydraulic cylinder specified for those model years. It supplies the piston action needed to engage the rear brakes as part of the vehicle's hydraulic system. Use this cylinder when repairing rear brake issues on 1990–2004 Infiniti QX4 models; verify year and axle side to confirm compatibility before installation.
DFC 90-04 Infiniti QX4 Rear Brake Wheel Cylinder