Details

• Brand:

  

  

• SKU:

  JL1Z-8475-D

• Positions: Front Lower Lower
• Other Names:

  Lower Shutter, Shutter Assembly Radiator Control

• Description:

  This genuine Ford OEM radiator shutter assembly is the lower active grille shutter for 18-24 Expedition and Lincoln Navigator trucks, superseding the original JL1Z-8475-B as the current production service part. The shutter assembly uses electrically driven vanes that the powertrain control module commands open or closed based on coolant temperature, vehicle speed, and aerodynamic conditions, balancing cooling airflow against drag reduction. Because the shutter actuator and vane geometry are matched to the cooling stack design, this part is correct only for the U553 platform Expedition and Navigator and is not interchangeable with shutter assemblies from other platforms. Installing this OEM shutter restores correct active grille operation and prevents the fault codes and degraded fuel economy that follow shutter failure. Common failure modes include actuator gear wear, debris jamming the vanes, and electrical connector corrosion. After installation, the powertrain control module may need a brief drive cycle to learn the new shutter response, and any related diagnostic trouble codes should be cleared. This genuine part is backed by the Ford and Motorcraft Parts Limited Warranty.

• Replaces:

  jl1z8475b

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