Details

• Brand:

  

  

• SKU:

  HL3Z-9G444-B

• Positions: Rear Lower, Left Lower, Right Lower
• Other Names:

  Lower Oxygen Sensor, Sensor Exhaust Gas Oxygen, DY1612

• Description:

  This is a Genuine Ford oxygen sensor, identified in Ford catalogs as the sensor exhaust gas oxygen, carrying Ford part number HL3Z-9G444-B. The sensor fits 17-25 F-150 trucks. The oxygen sensor reports exhaust gas composition to the powertrain control module so the fuel control strategy can maintain the correct air to fuel ratio across the engine operating range. Correct sensor response is critical to emissions performance, fuel economy, and drivability, and a degraded or out of specification sensor will typically produce a check engine light along with fuel trim or catalyst efficiency diagnostic trouble codes. Genuine Ford sensors use OEM specification element construction and electrical characteristics matched to the engine calibration in the F-150. non-OEM sensors that do not meet the specification frequently produce premature failure or persistent diagnostic codes after installation. This part is shipped in original Ford OEM packaging. Installation requires removal of the original sensor from its boss in the exhaust system, application of an appropriate anti-seize compound to the threads if not pre-applied, and torquing of the new sensor to factory specification, followed by clearing of any related diagnostic codes once the new sensor has been installed.

• Replaces:

  DY1366, HL3Z9G444A

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