NTK EH0321 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Toyota and Scion

The NTK EH0321 engine crankshaft position sensor is built for direct replacement on select Toyota and Scion applications. It uses a 2-terminal blade connection with a round female connector and male terminals for a secure electrical interface.

Compatible With Toyota Prius, Prius C, Yaris, Yaris R, Echo, and Scion xA/xB applications, this sensor supports accurate crankshaft position signal input for engine management systems. NTK EH0321 is engineered to meet or exceed OE specifications and is tested under thermal shock, vibration, and OBD verification conditions.

Key Features

• NTK Engine Crankshaft Position Sensor, part number EH0321
• 2-terminal blade design with 1 round female connector
• Male terminal configuration for OE-style electrical connection
• 0.700 sensor body diameter
• No mounting bracket included
• Built using NTK OE application technology for import and domestic coverage

Product Details

NTK is the sensor specialist brand within NGK’s automotive lineup, with more than 80 years of automotive experience behind its technical sensor development. The EH0321 is part of NTK’s full-line aftermarket sensor coverage and is manufactured to align with OE-level fit, form, and function expectations for crankshaft position sensing.

This part cross-references Beck/Arnley 180-0307 and Standard Ignition PC271 for the same application. It is a direct-fit option for vehicles including 2001-2009 Toyota Prius, 2005-2016 Toyota Yaris, 2012-2016 Toyota Prius C, 2000-2005 Toyota Echo, 2004-2006 Scion xA, and 2004-2006 Scion xB. Additional coverage includes 2017-2019 Toyota Prius C, 2016-2018 Toyota Yaris R, and 2017 Toyota Yaris, with relearn procedure notes on select applications.

Common Issues This Sensor Can Address

• Crankshaft position signal loss
• Engine stalling or intermittent no-start conditions
• Rough running caused by inaccurate engine speed input
• Check engine light related to crankshaft position sensor faults
• Driveability problems tied to inconsistent ignition timing input

Installation Notes

Verify connector shape, terminal count, and sensor body diameter before installation. On listed Toyota Prius C and Toyota Yaris applications, a relearn procedure is required; consult factory service information for the correct reset process. Confirm the sensor location and inspect the harness connector for corrosion or damage before connecting the new unit.

Quality Assurance

NTK sensors undergo thermal shock, vibration, and OBD verification testing to help confirm performance under demanding operating conditions. The EH0321 is manufactured to meet or exceed OE specifications for the listed Toyota and Scion applications.