---
product_id: 166762409
title: "NGK/NTK Coolant Temp Sensor EF0157 (73966)"
brand: "ntk"
price: "£34.96"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/166762409-ngk-ntk-coolant-temp-sensor-ef0157-73966
store_origin: GB
region: United Kingdom
---

# Up to 150°C temperature rating OEM-matched thermistor placement ±1.5% measurement accuracy NGK/NTK Coolant Temp Sensor EF0157 (73966)

**Brand:** ntk
**Price:** £34.96
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay Cool, Drive Smart – The Sensor Your Engine Deserves!

## Quick Answers

- **What is this?** NGK/NTK Coolant Temp Sensor EF0157 (73966) by ntk
- **How much does it cost?** £34.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/166762409-ngk-ntk-coolant-temp-sensor-ef0157-73966)

## Best For

- ntk enthusiasts

## Why This Product

- Trusted ntk brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **OEM-Grade Design:** Thermistor placement mirrors original sensor for flawless compatibility and output.
- • **Compact & Lightweight:** Sleek 1.5 x 1 x 2.63 inch design weighing under 1oz fits seamlessly into your engine system.
- • **Multi-Symptom Solution:** Fixes check engine lights, erratic gauges, cooling fan issues, and improves fuel economy.
- • **Precision Engine Monitoring:** Ensures optimal air/fuel ratio with ±1.5% accuracy for peak performance.
- • **Thermal Conductive Excellence:** Specialized grease guarantees rapid, accurate temperature transfer to prevent overheating.

## Overview

The NGK/NTK Coolant Temp Sensor EF0157 is a precision-engineered, OEM-matched sensor that accurately communicates engine coolant temperature to the ECM. With ±1.5% measurement accuracy and a thermal rating up to 150°C, it ensures optimal air/fuel mixture, cooling fan operation, and temperature gauge reliability. Designed to resolve common engine issues like overheating, erratic gauges, and poor fuel economy, this compact, lightweight sensor is a must-have upgrade for maintaining peak engine performance and passing emissions tests.

## Description

The engine coolant temperature sensor communicates the coolant temperature to the ECM to ensure proper air/fuel ratio, cooling fan and temperature gauge operation. Thermistor placement within the housing matches the original equipment sensor design to ensure proper output. Proper thermal conductive grease provides accurate temperature transfer to the thermistor. Causes for replacement of this sensor include check engine lights, no or erratic gauge operation, no erratic cooling fan operation, engine overheating, rough idle, engine hesitation, poor fuel economy and failed emissions tests.

## Features

- Communicates the engine coolant temperature to the ECM to ensure proper air/fuel ratio, cooling fan and temperature gauge operation
- Thermistor placement within the housing matches original design to ensure proper output
- Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
- Causes for replacement: check engine light, no/erratic gauge operation, no/erratic cooling fan operation, engine overheating
- Causes for replacement: rough idle, engine hesitation, poor fuel economy, failed emissions test

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | NTK |
| Item dimensions L x W x H | 1.5 x 1 x 2.63 inches |
| Material | Plastic |
| Item Weight | 27.22 g |
| Style | Modern |
| Measurement Accuracy | ±1.5% |
| Mounting Type | Flange Mount |
| Output Type | Push Button |
| Specific Uses For Product | Temperature |
| Upper Temperature Rating | 1.5E+2 Degrees Celsius |
| UPC | 087295739662 |
| Global Trade Identification Number | 00087295739662 |
| Manufacturer | NGK |
| Model | NTK |
| Item Weight | 0.96 ounces |
| Product Dimensions | 1.5 x 1 x 2.63 inches |
| Item model number | EF0157 |
| Exterior | Machined |
| Manufacturer Part Number | EF0157 |
| OEM Part Number | TX109 |

## Product Details

- **Brand:** NTK
- **Item dimensions L x W x H:** 1.5 x 1 x 2.63 inches
- **Material:** Plastic
- **Item Weight:** 27.22 g
- **Style:** Modern

## Images

![NGK/NTK Coolant Temp Sensor EF0157 (73966) - Image 1](https://m.media-amazon.com/images/I/51aJUlvBq7L.jpg)
![NGK/NTK Coolant Temp Sensor EF0157 (73966) - Image 2](https://m.media-amazon.com/images/I/51mlzxyOt2L.jpg)
![NGK/NTK Coolant Temp Sensor EF0157 (73966) - Image 3](https://m.media-amazon.com/images/I/61WyyhQjzkL.jpg)
![NGK/NTK Coolant Temp Sensor EF0157 (73966) - Image 4](https://m.media-amazon.com/images/I/51ktZabHa6L.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/166762409-ngk-ntk-coolant-temp-sensor-ef0157-73966](https://www.desertcart.co.uk/products/166762409-ngk-ntk-coolant-temp-sensor-ef0157-73966)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-21*