NTK EF0155 Engine Coolant Temperature Sensor - Rear

NTK EF0155 Engine Coolant Temperature Sensor

The NTK EF0155 engine coolant temperature sensor is built for accurate coolant temperature reporting in a wide range of import and domestic applications. It uses a 2-terminal blade design with a rectangular female connector, making it a direct-style replacement for vehicles that rely on precise engine temperature input for fuel and cooling control.

Compatible With applications such as Jeep Wrangler, Chevrolet Colorado, GMC Canyon, Ram 1500, and Chevrolet Traverse, this NTK coolant temperature sensor supports dependable engine management across many late-model and earlier platforms.

Key Features

• Part number: EF0155
• 2-terminal blade connection with rectangular female connector
• No wiring harness included
• Built under NTK’s technical sensor line for broad aftermarket coverage
• OE-focused design validated through thermal shock, vibration, and OBD testing
• Cross-reference example: Beck/Arnley 158-1248

Product Details

NTK Engine Coolant Temperature Sensor EF0155 is part of NTK, The Sensor Specialist line, which expands NGK’s OE-based sensor coverage into technical sensors for import and domestic vehicles. NTK draws on OE experience and tests sensors under demanding conditions to help ensure the part meets or exceeds OE specifications. This sensor is used in applications including Jeep Wrangler, Chevrolet Colorado, and Ram 1500, along with many other GM, Saab, Saturn, and Suzuki platforms listed in the fitment data.

This part cross-references Standard Ignition TX101 for the same application.

Common Issues This Sensor May Address

• Incorrect coolant temperature readings on the dash or scan tool
• Hard starting or rough cold operation caused by inaccurate temperature input
• Cooling fan operation that does not match engine temperature
• Fuel mixture and drivability problems tied to faulty coolant temperature data
• Check engine light concerns related to coolant temperature sensor performance

Installation Notes and Tips

Verify connector shape, terminal count, and vehicle application before installation. This EF0155 uses a rectangular female connector with two blade terminals and does not include a wiring harness. Confirm the sensor location and thread style against the original part, then inspect the connector for corrosion or damaged terminals before reconnecting.

Quality Assurance

NTK manufactures this sensor to OE-oriented standards and subjects it to thermal shock, vibration, and OBD verification testing. That process supports consistent performance across the listed fitments, including Chevrolet Colorado, GMC Canyon, and Jeep Wrangler applications.