Replaces OE part number: BK3Z-2C189-A, BK3Z2C189A, BK3Z 2C189 A. OE part number: BK3Z-2C189-A, BK3Z2C189A, BK3Z 2C189 A. Function: the wheel speed sensor tone ring is a gear ring installed on the wheel, usually made of ferromagnetic material, with hundreds of teeth on the outside.
