NTK EF0157 Engine Coolant Temperature Sensor

Engine coolant temperature sensor for Toyota and Lexus

NTK EF0157 is an engine coolant temperature sensor built for accurate coolant temperature reporting in a wide range of Toyota, Lexus, Scion, and Pontiac applications. It uses a 2-terminal blade design with a rectangular female connector, making it a direct-fit service part for many import vehicles.

NTK’s technical sensor line draws on OE experience and testing that includes thermal shock, vibration, and OBD verification. For drivers and technicians servicing Toyota Camry, Toyota Tacoma, Lexus GX460, and related models, EF0157 provides a dependable replacement built to meet or exceed OE specifications.

Key features

• Part number: EF0157
• Engine coolant temperature sensor for import vehicle applications
• Blade terminal type with 2 terminals
• Rectangular female connector
• No wiring harness included
• OE-focused design from NTK, The Sensor Specialist
• Cross-reference example: Beck/Arnley 158-0783

Product details

NTK Engine Coolant Temperature Sensor EF0157 is part of NTK’s full-line technical sensor coverage for import and domestic vehicles. The sensor is manufactured to OE-level standards and validated under demanding test conditions to support accurate temperature signal delivery to the engine control system. This matters on vehicles such as the Toyota Camry, Toyota Corolla, Lexus RX350, and Toyota Tundra, where coolant temperature input affects fuel control, drivability, and engine management.

This part cross-references Beck/Arnley 158-0783 for the same application.

What this sensor helps address

• Incorrect coolant temperature readings
• Illuminated check engine light related to temperature sensor faults
• Hard starting or rough running when the engine is cold
• Poor fuel control caused by inaccurate engine temperature input
• Cooling system data errors in the ECU

Installation notes and tips

Verify connector shape, terminal count, and vehicle application before installation. EF0157 uses a rectangular female connector with blade terminals and does not include a wiring harness. Confirm the exact year, make, and model match for Toyota, Lexus, Scion, or Pontiac fitment, especially on vehicles with split-year coverage such as Toyota Tacoma and Toyota Camry.

• Fits 2010-2021 Lexus GX460
• Fits 2007-2021 Toyota Camry
• Fits 2016-2021 Toyota Tacoma
• Fits 2005-2021 Toyota Tundra
• Fits 2004-2018 Toyota RAV4
• Fits 2007-2015 Lexus RX350

Quality assurance

NTK builds this sensor using OE-based engineering and testing protocols, including thermal shock, vibration, and OBD verification. The result is a replacement engine coolant temperature sensor designed to meet or exceed OE specifications for consistent service on supported Toyota and Lexus applications.