Walker 210-1003 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor Overview

Walker Products 210-1003 is an engine coolant temperature sensor for select Chrysler and Dodge applications. It provides a direct replacement option for vehicles that need accurate coolant temperature input for engine management and gauge operation.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products line includes engine management parts built for precise vehicle application coverage, and this sensor follows that approach for Chrysler and Dodge fitments.

Key Features

• Engine coolant temperature sensor for select Chrysler and Dodge vehicles
• Walker Products part number 210-1003
• OE-style replacement for coolant temperature signal input
• Application coverage for 1981-1987 Chrysler and Dodge models
• Backed by Walker Products manufacturing and technical support resources

Detailed Description

Walker Products 210-1003 is built for vehicles that rely on coolant temperature data to manage fuel delivery, ignition strategy, and temperature-related engine functions. This sensor is listed for 1981-1987 Chrysler and Dodge applications, including Fits 1986-1987 Dodge D100, N/A; Fits 1984-1987 Dodge D150, N/A; Fits 1984-1987 Dodge D250, N/A; Fits 1984-1987 Dodge D350, N/A; Fits 1984-1987 Dodge Ramcharger, N/A; Fits 1983-1984 Chrysler Fifth Avenue, N/A; Fits 1981-1983 Chrysler Imperial, N/A; Fits 1981-1982 Chrysler New Yorker, N/A; Fits 1981 Chrysler LeBaron, N/A; and Fits 1981 Chrysler Newport, N/A. If you are sourcing a coolant temperature sensor for a Dodge D150 or Chrysler Imperial, 210-1003 is the part number to verify against your application.

This part cross-references 5S1501 and SU309 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Hard starting when the engine is cold
• Rich or lean fuel mixture concerns tied to temperature input
• Temperature gauge or engine management signal issues
• Check engine concerns related to coolant temperature sensor performance

Installation Notes and Tips

Verify the connector style, thread size, and engine application before installation. Compare the old sensor to Walker Products 210-1003 and confirm the vehicle listing for your Chrysler or Dodge model. For best results, inspect the cooling system and wiring connector for corrosion or damage before replacing the sensor.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with product management, engineering, and technical support resources supporting application accuracy and part quality.