Walker 211-1004 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor Overview

Walker Products 211-1004 is an engine coolant temperature sensor for select Nissan and INFINITI applications. It provides the temperature signal the engine management system uses to monitor coolant conditions and support proper fuel and ignition control.

Walker Products has supplied automotive fuel system and engine management components since 1946, with manufacturing and engineering processes focused on meeting OEM standards for fit and function.

Key Features

• Engine coolant temperature sensor for engine management systems
• Direct-fit application coverage for select Nissan and INFINITI vehicles
• Walker Products part number 211-1004
• OE-style replacement for temperature signal monitoring
• Built by a company with ISO 9001/IATF16949 certification

Vehicle Fitment

• Fits 1990-1992 INFINITI M30, N/A
• Fits 1984-1988 Nissan 300ZX, N/A
• Fits 1986-1988 Nissan D21, N/A
• Fits 1985-1988 Nissan Maxima, N/A
• Fits 1987-1988 Nissan Pathfinder, N/A
• Fits 1987 Nissan 200SX, N/A

Detailed Description

This Walker Products engine coolant temperature sensor is used to report coolant temperature to the vehicle’s control system. Accurate temperature input helps the engine computer manage cold starts, warm-up strategy, and operating conditions across select Nissan and INFINITI models, including the Nissan 300ZX, Nissan Maxima, and INFINITI M30. If you are replacing a failing coolant temp sensor on a 1984-1988 Nissan 300ZX or a 1990-1992 INFINITI M30, Walker Products 211-1004 offers a service replacement built for the listed applications.

This part cross-references NTK EF0113 and Standard Ignition TX31 for the same application.

Common Reasons to Replace

• Hard starting when the engine is cold
• Incorrect temperature gauge or scan data readings
• Rough idle during warm-up
• Fuel mixture issues caused by inaccurate coolant temperature input
• Check engine light related to coolant temperature sensor performance

Installation Notes and Quality Assurance

Verify connector style, thread size, and engine application before installation. Inspect the cooling system for leaks or contamination, and clear any stored diagnostic trouble codes after replacement. Use the vehicle service information for the correct torque and coolant service procedure.

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications, supported by in-house engineering, product management, and technical support. The company is ISO 9001/IATF16949 certified.