This transmission shift solenoid (model XS4Z7H148AA) is designed for use in vehicles equipped with 4F27E or FN4A-EL automatic transmissions, including Focus 2.0L (2000–2008) and Protege (2004) with 1.6L, 1.8L, or 2.0L engines.The unit is a direct-fit replacement constructed from ABS and metal components, supporting performance under normal operating conditions.It integrates into the existing transmission system without modification and is intended to assist in maintaining smooth and responsive gear shifting.Compatible with OEM XS4Z7H148AA, this solenoid is suitable for standard replacement procedures using common automotive tools.The design supports resistance to common automotive fluids and operates within typical engine temperature ranges.