NTK EF0151 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor Overview

NTK EF0151 is an engine coolant temperature sensor built around OE-focused technical sensor engineering. It uses a rectangular female connector with two blade terminals and no wiring harness included, making it a direct-style replacement for select applications.

Compatible with Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, GMC Sierra 3500 HD, Chevrolet Express vans, GMC Savana vans, and Suzuki Aerio applications listed below, this NTK sensor supports accurate temperature signal input for the engine management system. The NTK Engine Coolant Temperature Sensor line is backed by NTK’s OE supplier experience and broad aftermarket coverage.

Key Features

• NTK part number EF0151 for application-specific replacement matching.
• Rectangular female connector with two blade terminals.
• Engine coolant temperature sensor design for precise thermal signal reporting.
• No wiring harness included.
• Built under NTK’s technical sensor program with OE-oriented testing standards.

Detailed Application Notes

EF0151 is engineered for vehicles that rely on a coolant temperature input to manage fuel delivery, idle strategy, and engine warm-up logic. It is listed for 2002-2003 Suzuki Aerio, 2005-2011 Chevrolet Silverado HD models, 2005-2011 GMC Sierra HD models, and select 2006-2014 Chevrolet Express and GMC Savana vans. This part cross-references Standard Ignition (e.g., FTS104, TX161) for the same application.

NTK’s sensor program is supported by OE experience and validation methods that include thermal shock, vibration, and OBD verification. For buyers searching for an NTK coolant temperature sensor for Chevrolet Silverado 2500 HD or GMC Sierra 3500 HD service, EF0151 provides a fitment-specific replacement path.

What It Is Used For

• Replacing a failed coolant temperature sensor that can trigger inaccurate engine temperature readings.
• Restoring stable cold-start and warm-up fuel control.
• Addressing erratic idle behavior tied to incorrect temperature input.
• Correcting diagnostic trouble codes related to coolant temperature signal faults.
• Supporting proper engine management on listed Chevrolet, GMC, and Suzuki applications.

Installation Notes and Tips

Verify connector style, terminal count, and application notes before installation. On listed Chevrolet Express and GMC Savana applications, review the return-pipe location note before ordering. Confirm the vehicle’s exact year and model against the fitment table, especially for Silverado, Sierra, and Aerio applications. Inspect the connector for corrosion or terminal damage before connecting the new sensor.

Quality Assurance

NTK states that its technical sensors are tested under thermal shock, vibration, and OBD verification conditions and manufactured to meet or exceed OE specifications. The EF0151 is part of NTK’s OE-focused sensor lineup for import and domestic vehicles.