Walker 211-91002 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor Overview

Walker Products FSK 211-91002 is an engine coolant temperature sensor built for accurate coolant temperature reporting in supported Ford, Mercury, and Lincoln applications. It is a direct-fit replacement for a wide range of vehicles, including Ford Ranger, Ford F-150, Ford Expedition, and Mercury Grand Marquis models.

Walker Products has supplied engine management and fuel system components since 1946, with manufacturing and engineering processes focused on meeting or exceeding OEM standards. The Walker Products FSK line is positioned for service work that requires dependable sensor performance and application-specific fitment.

Key Features

• Engine coolant temperature sensor for engine management service
• Walker Products FSK line replacement part
• Part number 211-91002 for catalog and cross-reference use
• Fits a broad range of Ford, Mercury, and Lincoln vehicles
• Supports accurate coolant temperature signal input to the vehicle system
• Cross-references Standard Ignition TX6 and TX12 for the same application

Detailed Product Description

Walker Products 211-91002 is an engine coolant temperature sensor used in applications where the vehicle needs reliable coolant temperature data for proper engine operation. This part is listed for many long-tail search applications such as engine coolant temperature sensor for 1995 Ford Ranger, coolant temperature sensor for 1999-2006 Ford Crown Victoria, and replacement coolant temp sensor for 2000-2002 Ford Expedition. It is also listed for 1995 Ford Mustang, 1995 Ford Explorer, and 2003-2004 Ford E-150 service applications.

As part of the Walker Products FSK line, this sensor reflects the brand’s focus on engine sensors and aftermarket service parts manufactured to OEM-level standards and specifications. The 211-91002 part number is also useful when matching service parts across interchange listings for Ford, Mercury, and Lincoln platforms.

What This Sensor Helps Address

• Incorrect coolant temperature readings
• Illuminated engine management or temperature-related warning conditions
• Rough cold-start or warm-up behavior tied to sensor input
• Fuel control issues caused by inaccurate temperature data
• Service replacement for aging or failed coolant temperature sensors

Installation Notes and Fitment Tips

Compatible With 2011 Ford Focus, N/A; 2008 Ford E-350 Super Duty, N/A; 1999-2003 Ford E-350 Super Duty, N/A; 1999-2006 Ford Crown Victoria, N/A; 1999-2006 Mercury Grand Marquis, N/A; 2003-2004 Ford E-150, N/A; 2003-2004 Ford E-150 Club Wagon, N/A; 2003-2004 Ford E-250, N/A; 2003-2004 Ford E-350 Club Wagon, N/A; 2004 Ford E-350 Super Duty, N/A; 2003-2004 Mercury Marauder, N/A; 1995-2002 Ford E-150 Econoline, N/A; 1995-2002 Ford E-150 Econoline Club Wagon, N/A; 1995-2002 Ford E-250 Econoline, N/A; 1995-2002 Ford E-350 Econoline Club Wagon, N/A; 2000-2002 Ford Expedition, N/A; 1997-1998 Ford Expedition, N/A; 1995-1998 Ford E-350 Econoline, N/A; 1997 Ford F-250 HD, N/A; 1995-1997 Ford F-350, N/A; 1995-1996 Ford Bronco, N/A; 1995-1996 Ford F-150, N/A; 1995-1996 Ford F-250, N/A; 1995 Ford Aerostar, N/A; 1995 Ford Contour, N/A; 1995 Ford Escort, N/A; 1995 Ford Explorer, N/A; 1995 Ford Mustang, N/A; 1995 Ford Ranger, N/A; 1995 Ford Taurus, N/A; 1995 Ford Thunderbird, N/A; 1995 Ford Windstar, N/A; 1995 Lincoln Mark VIII, N/A; 1995 Mercury Cougar, N/A; 1995 Mercury Mystique, N/A; 1995 Mercury Sable, N/A; 1995 Mercury Tracer, N/A; 1989-1990 Ford Ranger, N/A; 1987 Ford Ranger, N/A; 1984-1985 Ford Ranger, N/A.

Verify connector style and application notes before installation. Some listed applications reference a 2 round pin connector or a full service kit note, so matching the original sensor configuration is important for proper fitment.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with in-house manufacturing, product management, and engineering support. The brand states that its engine sensors and related components are produced to meet or exceed OEM standards and specifications.