Walker 270-1049 Engine Coolant Temperature Sensor Connector

Engine Coolant Temperature Sensor Connector for Ford Applications

Walker Products 270-1049 is an engine coolant temperature sensor connector built for Ford and Mercury applications that use a 2-terminal female bullet-style connection. It is a direct-fit electrical connector solution for restoring a secure signal path between the coolant temperature sensor and the engine management system.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on OE-level specifications. The Walker Products line includes sensors, ignition, fuel system, and repair components for automotive aftermarket service.

Key Features

• Part number 270-1049 engine coolant temperature sensor connector
• Female connector with female bullet terminals
• 2-terminal design for the specified sensor connection
• Built for Ford and Mercury engine management service
• Cross-references Standard Ignition S-612 for the same application
• Also cross-references 1P1095, 3U2Z14S411LVA, and E1AZ14489A

Detailed Description

This Walker Products 270-1049 connector is used on a wide range of Ford and Mercury vehicles, including Ford Crown Victoria, Grand Marquis, E-Series vans, Expedition, Ranger, F-150, F-250, F-350, Mustang, Taurus, Thunderbird, Windstar, and related applications. It is also listed for Mercury Marauder, Cougar, Mystique, Sable, Tracer, and Lincoln Mark VIII applications. When the original coolant temperature sensor connector is heat-damaged, corroded, loose, or broken, replacing the connector helps restore a stable electrical connection for accurate engine temperature signal transfer.

Compatible With 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; 1999-2004 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; 1993-1995 Ford Probe, N/A; 1995 Ford Ranger, N/A; 1989-1990 Ford Ranger, N/A; 1987 Ford Ranger, N/A; 1984-1985 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.

Common Issues It Can Help Solve

• Intermittent coolant temperature sensor signal caused by a damaged connector
• Corrosion at the terminal interface
• Loose or poor electrical contact at the sensor plug
• Heat-related connector failure near the engine
• Diagnostic trouble codes related to coolant temperature circuit faults

Installation Notes and Tips

Verify the connector style before ordering, since some listed vehicles use a round-pin or round-connector variation. Match the terminal type, terminal count, and connector gender to the original harness connection on the vehicle. Inspect the sensor pigtail and surrounding wiring for heat damage or corrosion before installation, and confirm a solid terminal lock after connection.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications, with support from in-house manufacturing, product management, and engineering teams. The company is ISO 9001 and IATF 16949 certified, reflecting controlled production and quality-focused processes for aftermarket electrical connectors and related parts.