144561 Water Temperature Sensor for Paccar Kenworth Peterbilt MSW-4401 64MT142A

144561 Water Temperature Sensor for Paccar Kenworth Peterbilt

This 144561 Water Temperature Sensor is a direct replacement coolant temperature sensor for Paccar, Kenworth, and Peterbilt trucks, monitoring engine coolant temperature and sending data to the engine control unit. It provides accurate temperature readings to help maintain proper engine operation and prevent overheating. This sensor is compatible with OEM cross-reference numbers MSW-4401 and 64MT142A.

Overview

This Water Temperature Sensor 144561 monitors the engine coolant temperature and communicates it to the ECU for optimal fuel delivery and cooling system control. It is built for heavy-duty commercial trucks and supports reliable engine temperature management. This sensor ensures accurate readings for efficient engine operation.

Built For Performance

• Precision-tuned thermistor for accurate temperature sensing
• Corrosion-resistant housing withstands coolant exposure
• Threaded design provides secure installation
• Plug-and-play electrical connection matches factory harness

Fits These Machines

• for Paccar engines
• for Kenworth trucks
• for Peterbilt trucks

On-The-Job Use

• Replacing a failed coolant temperature sensor
• Diagnosing overheating or cold-running issues
• Routine engine maintenance on heavy-duty trucks

Specs At A Glance

Good To Know

Q: What are signs that my water temperature sensor is failing? A: Common symptoms include erratic temperature readings, poor fuel economy, or the check engine light illuminating. Replacing the sensor restores accurate engine temperature management.

Q: Is this sensor compatible with all Paccar engines? A: This sensor is designed for common Paccar engine applications found in Kenworth and Peterbilt trucks, but always verify compatibility with your specific engine serial number before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.