12389541 | Genuine GM® ABS Pressure Modulator Valve Assembly Nitrogen Oxide Sensor Engine runs inefficiently when fuel

Engine runs inefficiently when fuel delivery is inconsistent

Part Number: 178-1030

F371022200

Mounting bolts may appear pulled out

C1500 REGULAR CAB LONG BOX

12389541 | Genuine GM® ABS Pressure Modulator Valve Assembly Nitrogen Oxide Sensor Engine runs inefficiently when fuelDescription: An ABS Pressure Modulator Valve 12389541 (PMV) sometimes called an ABS hydraulic control unit or ABS modulator is a key component of a vehicles Anti lock Braking System (ABS). The ABS Pressure Modulator Valve controls the brake fluid pressure sent to each wheel during braking. Its main job is to prevent the wheels from locking up under hard braking, allowing the driver to maintain steering control and stability. Part Number: 12389541