Walker 225-1554 Air Charge Temperature Sensor

Walker Sensor Only Air Charge Temperature Sensor

Walker Sensor Only Part Number 225-1554 is a direct-fit engine sensor for Ram and Dodge Ram diesel applications. It uses a female connector with 4 male terminals, an oblong connector shape, and a spade terminal type for straightforward replacement of the original sensor.

Key Features

• Air charge temperature sensor for engine management systems
• Walker Sensor Only product line for sensor replacement applications
• Female connector with oblong shape
• 4-terminal, spade-style electrical connection
• Built for reliable signal delivery in demanding underhood conditions
• Part number 225-1554 for accurate ordering and lookup

Product Details

This Walker sensor is used in engine control systems that monitor incoming air temperature so the powertrain control module can make accurate fuel and air adjustments. It is listed for 2007 Dodge Ram 2500 and 3500 Fresh Air sensor-only applications, plus 2008-2010 Dodge Ram 2500 and 3500 and 2011-2018 Ram 2500 and 3500 sensor-only applications. The Walker Sensor Only line focuses on replacement sensors built for direct integration, helping maintain consistent engine data on Ram 2500, Ram 3500, and Dodge Ram 2500/3500 platforms. Part number 225-1554 also cross-references Standard Ignition AS414 for the same application.

What It Helps Address

• Incorrect air charge temperature readings
• Driveability issues caused by faulty sensor input
• Hard starting or rough running related to sensor signal errors
• Reduced engine efficiency from inaccurate air/fuel adjustments
• Check engine light conditions tied to intake air sensor faults

Installation Notes

Verify connector shape, terminal count, and sensor location before installation. This part is listed as sensor only, so reuse the existing mounting arrangement and inspect the harness connector for corrosion, bent terminals, or heat damage before connecting the new unit. Confirm fitment against the vehicle year, make, model, and application notes for Ram and Dodge Ram trucks before service.

Quality Assurance

Walker engineers this sensor for accurate pressure and temperature-related engine input, durable operation, and dependable integration in automotive systems. The design is intended to provide consistent readings and long service life in normal truck operating conditions.