NTK AU0144 Automatic Transmission Speed Sensor - Input or Output

NTK Automatic Transmission Speed Sensor AU0144

The NTK AU0144 automatic transmission speed sensor is built for vehicles that rely on accurate input and output speed data for transmission control. It is a direct-fit replacement for select Ford, Mazda, and Mercury applications, including Ford Escape, Mazda Tribute, Mercury Mariner, Mercury Cougar, Ford Contour, and Mercury Mystique.

NTK’s technical sensor line draws on OE-level application knowledge and testing practices used to validate thermal shock resistance, vibration durability, and OBD performance. The AU0144 is engineered to meet or exceed OE specifications for dependable transmission speed signal delivery.

Key Features

• Automatic transmission speed sensor for input and output applications
• Female connector with 1 connector, 2 terminals, and oblong shape
• Pin terminal design for direct electrical connection
• No wiring harness included
• No mounting hardware included
• OE-style replacement from NTK, The Sensor Specialist

Product Details

The NTK AU0144 is a transmission speed sensor designed to monitor shaft speed and send the signal needed for transmission operation and control strategy. Accurate speed input helps the vehicle’s control systems manage shifting behavior and transmission performance. This part number is used across multiple applications, including 2002-2008 Ford Escape input, 2001 Ford Escape output, 2001-2006 Mazda Tribute input, and 2008-2011 Mazda Tribute input. It also fits 2005-2008 Mercury Mariner input, 1999-2002 Mercury Cougar input, 1995-2000 Ford Contour input, and 1995-2000 Mercury Mystique input.

This part cross-references Dorman OE Solutions 917-642 for the same application.

What It Helps Fix

• Erratic or missing transmission speed signal
• Harsh, delayed, or inconsistent shifting
• Transmission warning lights related to speed sensor faults
• Incorrect input or output speed data to the control module
• Driveability issues caused by failed transmission sensor feedback

Installation Notes and Tips

Verify whether the vehicle uses the input or output sensor position before ordering. Confirm connector shape, terminal count, and mounting style against the original part. Inspect the connector and wiring for corrosion, damaged pins, or heat-related wear before installation. Clear diagnostic trouble codes after replacement and road test the vehicle to confirm proper transmission signal operation.

Quality Assurance

NTK sensors are developed from OE experience and validated through thermal shock, vibration, and OBD verification testing. The AU0144 is manufactured to meet or exceed OE specifications for the listed Ford Escape, Mazda Tribute, Mercury Mariner, Mercury Cougar, Ford Contour, and Mercury Mystique applications.