NTK EF0119 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor Overview

The NTK Engine Coolant Temperature Sensor, part number EF0119, is a technical sensor built for accurate coolant temperature monitoring in a wide range of import applications. It uses a rectangular female connector with blade terminals for a direct electrical interface.

Compatible With Toyota and Lexus applications, this sensor supports reliable engine temperature reporting for vehicles such as the Toyota Land Cruiser, Toyota Tundra, Lexus GS430, and Lexus LS430. Part number EF0119 is also cross-referenced to 89422-30030 and TS6677 for the same application.

Key Features

• Rectangular connector shape for a secure electrical connection
• Blade terminal design with 2 terminals
• Female connector gender
• NTK technical sensor coverage for import and domestic vehicles
• Manufactured to meet or exceed OE specifications

Detailed Description

NTK EF0119 is part of the NTK Engine Coolant Temperature Sensor line, backed by NGK’s long automotive heritage and OE-focused sensor engineering. NTK states that its technical sensors undergo thermal shock, vibration, and OBD verification testing to support consistent performance under demanding operating conditions. This makes EF0119 a practical replacement choice for drivers and technicians servicing Toyota and Lexus cooling system sensor applications.

Fitment includes 1998-2010 Lexus GS300, GS400, GS430, IS300, LS400, LS430, LX470, SC430, GX470, and 2000-2005 Toyota Land Cruiser, Sequoia, 4Runner, Tundra, plus 2015-2016 Toyota Hiace and 2016 Toyota Hilux. For buyers searching for a Toyota Land Cruiser coolant temperature sensor or Lexus LS430 engine coolant temperature sensor, EF0119 provides the specified connector and terminal configuration.

What It Helps Address

• Incorrect coolant temperature readings
• Engine management issues tied to temperature input
• Hard starting or poor warm-up behavior related to sensor faults
• Check engine light conditions caused by coolant temperature sensor failure
• Electrical connection problems from worn connector interfaces

Installation Notes and Quality

Verify connector shape, terminal count, and harness style before installation. This sensor uses a female rectangular connector with blade terminals and does not include a wiring harness. Confirm the application by year, make, model, and engine sensor location notes where listed, including the 2005 Lexus IS300 block-mounted application and the 2000 Lexus Land Cruiser listing from 4/2000.

NTK positions this sensor line as OE-specification replacement hardware, with testing that includes thermal shock, vibration, and OBD verification. Part number EF0119 is supported by NTK’s OE supplier background and technical sensor coverage.