Walker 270-1012 Oxygen Sensor Connector

Walker Oxygen Sensor Connector 270-1012

Walker Products 270-1012 is an oxygen sensor connector built with a 4-terminal blade layout, female connector housing, and male terminals. It is a direct-fit electrical connector solution for repairing damaged sensor wiring on select Ford, Lincoln, and Mercury applications, including Mustang, Escape, Taurus, Ranger, F-150, and F-250 models.

Key Features

• Part number: 270-1012
• 4-terminal blade connector design
• Female connector with male terminals
• Electrical connector for oxygen sensor service
• Walker Products engineering and technical support
• Manufactured to meet or exceed OEM standards and specifications

Product Details

Walker Products has supplied fuel system and engine management components since 1946, and the Walker Products line is backed by in-house manufacturing, product management, and engineering support. The 270-1012 oxygen sensor connector is intended for repair work where the original connector is heat-damaged, corroded, broken, or no longer making a secure electrical connection. This part cross-references Standard Ignition S-627 and 1P1110 for the same application.

Fits 2011-2014 Ford Mustang, 4 Term. Female. Fits 2008-2009 Ford Escape, 4 Term. Female. Fits 2003-2004 Ford F-250, 4 Term. Female. Fits 1992-1995 Ford Taurus, upstream oxygen sensor applications. Fits 1987-1991 Ford Escort, front oxygen sensor applications. Fits 1987-1991 Mercury Topaz, front oxygen sensor applications.

Common Uses

• Repairing a damaged oxygen sensor connector on Ford Mustang applications
• Restoring electrical contact on Ford Escape oxygen sensor wiring
• Replacing brittle or heat-affected connector ends on Ford Taurus exhaust sensor circuits
• Fixing intermittent sensor signals caused by corrosion or loose terminals
• Addressing broken connector housings during exhaust or engine management service

Installation Notes and Tips

Verify terminal count, connector gender, and blade style before installation. Match the connector to the vehicle’s oxygen sensor location and wiring configuration, especially on upstream applications near the exhaust manifold. Inspect the harness for heat damage, bent terminals, or corrosion before connecting the new part. Confirm fitment against the vehicle application notes for Ford, Lincoln, and Mercury models listed above.

Quality Assurance

Walker Products states that its components are manufactured to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with technical support and product engineering used to maintain application accuracy and part quality.