Water Temperature Sensor 349-0721 for Perkins 403C-15 404C-22 404C-22T Engines

Water Temperature Sensor for Perkins

This water temperature sensor replaces OEM part number 349-0721 for Perkins 403C-15, 404C-22, and 404C-22T engines, providing accurate coolant temperature readings to the engine control system.

Overview

The water temperature sensor measures engine coolant temperature and sends a signal to the ECU for proper fuel injection and cooling fan control. Designed for Perkins industrial engines, this sensor ensures optimal engine performance and prevents overheating. Reliable temperature monitoring is critical for engine longevity.

Built For Performance

• Precision thermistor element for accurate temperature sensing
• Rugged brass housing resists corrosion and vibration
• Direct plug-and-play replacement for OEM sensor 349-0721
• Sealed electrical connector prevents moisture ingress
• Tested to meet OEM specifications for resistance vs temperature curve

Fits These Machines

• for Perkins 403C-15 Engine
• for Perkins 404C-22 Engine
• for Perkins 404C-22T Engine

On-The-Job Use

• Monitoring coolant temperature in Perkins industrial engines
• Preventing engine overheating in generator sets, pumps, and construction equipment
• Replacing failed sensors to restore proper engine management
• Ensuring accurate temperature data for emissions control systems

Specs At A Glance

Good To Know

Q: Is this sensor a direct replacement for the OEM part? A: Yes, this aftermarket sensor is designed to match the electrical and physical specifications of the original Perkins 349-0721 sensor, making installation straightforward.

Q: What thread size does this sensor use? A: The sensor typically uses a 3/8 inch NPT thread, but slight variations may exist. Please verify with your engine's service manual to confirm compatibility.

Slight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.