GPD 1814351 Air Charge Temperature Sensor Direct Fit

The GPD 1814351 is a direct-fit replacement Air Charge Temperature Sensor (ACT), also commonly known as an Intake Air Temperature Sensor (IAT) or Manifold Air Temperature Sensor (MAT). This sensor measures the temperature of the air entering the engine and relays that data to the vehicle's Powertrain Control Module (PCM) or Engine Control Module (ECM), which uses it to optimize fuel delivery and ignition timing for efficient combustion.

Key Features:

• Direct-fit replacement — designed to match the original equipment sensor in form, fit, and function
• Sends accurate air temperature readings to the PCM/ECM for proper fuel and timing calibration
• Helps restore lost fuel efficiency, smooth idle, and correct engine performance
• Built to meet or exceed OE specifications for durability and accuracy
• Resistant to underhood heat, vibration, and contamination

A faulty air charge temperature sensor can trigger a check engine light and cause symptoms such as rough idle, poor fuel economy, hard starting, and failed emissions testing. Replacing the sensor with a quality GPD unit restores proper engine management and helps prevent further drivetrain issues.