NTK AU0172 Automatic Transmission Speed Sensor - Input or Output

NTK Automatic Transmission Speed Sensor AU0172

The NTK Automatic Transmission Speed Sensor AU0172 is a direct-fit transmission sensor built for vehicles that rely on accurate speed signal input and output data. It is engineered for Ford E-350 Super Duty, E-250, E-150, F-250 Super Duty, and F-350 Super Duty applications across multiple model years.

NTK, The Sensor Specialist, brings OE-focused sensor coverage to the aftermarket with technical sensor expertise backed by extensive automotive experience. The AU0172 is manufactured to meet or exceed OE specifications and is tested under thermal shock, vibration, and OBD verification conditions.

Key Features

• Blade terminal design with a rectangular female connector
• 3-terminal electrical interface for transmission speed signal communication
• 1 connector, no wiring harness included
• No mounting hardware included
• OE-style sensor coverage for Ford automatic transmission applications
• Part number AU0172 for easy identification and ordering

Product Details

The AU0172 is an NTK automatic transmission speed sensor used to monitor transmission output or input speed, depending on the vehicle application. It supports accurate signal reporting for Ford E-350 Super Duty, Ford E-250, Ford E-150, Ford F-250 Super Duty, and Ford F-350 Super Duty models. This part cross-references Standard Ignition SC439 for the same application.

NTK’s technical sensor line is built from OE experience and validated for demanding operating conditions. For buyers searching for a Ford E-350 Super Duty output speed sensor, Ford F-250 Super Duty input speed sensor, or Ford F-350 Super Duty transmission speed sensor, AU0172 provides a direct replacement option with OE-focused fitment coverage.

What It Helps Address

• Erratic or missing transmission speed signal
• Harsh or delayed shifting caused by incorrect speed data
• Speedometer or transmission control concerns tied to sensor output
• Diagnostic trouble codes related to transmission speed sensing
• Drivability issues on Ford Super Duty and E-Series applications

Installation Notes

• Verify the vehicle’s required sensor position before ordering: output, input, or N/A as listed by application.
• Inspect the connector shape and terminal count to confirm match before installation.
• Check the transmission connector and harness condition for corrosion, bent terminals, or damaged locking tabs.
• Clear stored fault codes and confirm proper signal operation after installation.

Quality Assurance

NTK manufactures this sensor to meet or exceed OE specifications and validates it through thermal shock, vibration, and OBD testing. The AU0172 reflects NTK’s OE supplier background and technical sensor coverage for import and domestic vehicles.