NTK AU0178 Automatic Transmission Speed Sensor - Input

NTK Automatic Transmission Speed Sensor AU0178

NTK AU0178 is an automatic transmission speed sensor built for precise input speed signal monitoring in select Ford applications. It is engineered with a rectangular female connector, 2 terminals, and a blade terminal design for direct OE-style electrical connection.

Compatible with Ford Focus and Ford Transit Connect applications that use an input transmission speed sensor, this NTK sensor supports accurate transmission control data for drivability and shifting performance. Part number AU0178 is part of NTK’s technical sensor line, backed by OE application coverage for import and domestic vehicles.

Key Features

• Automatic transmission speed sensor for input signal measurement
• Rectangular connector with 1 connector and 2 terminals
• Female connector design with blade terminals
• No mounting hardware included
• No wiring harness included
• OE-style fitment for select Ford transmission applications

Product Line Details

NTK’s Automatic Transmission Speed Sensor line extends the brand’s OE-focused sensor expertise into transmission electronics. Drawing on extensive automotive experience and OE application knowledge, NTK sensors are produced to meet or exceed OE specifications and are validated through thermal shock, vibration, and OBD verification testing.

This part cross-references Dorman OE Solutions 917-643 for the same application.

Fitment

• Fits 2012-2013 Ford Transit Connect, Input
• Fits 2000-2011 Ford Focus, Input

What It Helps Address

• Erratic or inaccurate transmission input speed readings
• Transmission shifting concerns related to speed signal loss
• Illumination of transmission-related fault codes tied to sensor input
• Drivability issues caused by inconsistent transmission data

Installation Notes

Verify the connector shape, terminal count, and input position before installation. Confirm the vehicle application by year and model, and inspect the transmission connector and harness condition during replacement. This sensor uses a female rectangular connector with blade terminals and does not include a wiring harness or mounting hardware.

Quality Assurance

NTK manufactures this transmission speed sensor to OE specifications and subjects it to thermal shock, vibration, and OBD verification testing. AU0178 is supported by NTK’s OE sensor expertise and application coverage for Ford Focus and Ford Transit Connect models.