---
product_id: 282343420
title: "5666 Standard Spark Plug - CR8EH-9, 1 Pack"
brand: "ngk"
price: "A$35"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/282343420-5666-standard-spark-plug-cr8eh-9-1-pack
store_origin: AU
region: Australia
---

# Wider heat range for peak performance Cold-rolled threads prevent cross-threading Corrosion-resistant plating for durability 5666 Standard Spark Plug - CR8EH-9, 1 Pack

**Brand:** ngk
**Price:** A$35
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with NGK’s precision spark!

## Quick Answers

- **What is this?** 5666 Standard Spark Plug - CR8EH-9, 1 Pack by ngk
- **How much does it cost?** A$35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/282343420-5666-standard-spark-plug-cr8eh-9-1-pack)

## Best For

- ngk enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** Vehicle-specific design guarantees seamless installation and optimal engine compatibility.
- • **Fouling Resistance:** Longer insulator nose design minimizes fouling, keeping your engine running cleaner and smoother.
- • **Flashover Prevention:** Corrugated insulator ribs reduce flashover risk, enhancing ignition stability under all conditions.
- • **Engineered for Reliability:** 98% pure copper core boosts heat dissipation, ensuring consistent starts and preventing overheating.
- • **Durability Meets Innovation:** Trivalent plating eliminates the need for anti-seize, simplifying maintenance and extending spark plug life.

## Overview

The NGK 5666 Standard Spark Plug (CR8EH-9) features a 98% pure copper core for superior heat dissipation, corrosion-resistant trivalent plating for easy installation, and cold-rolled threads to prevent damage. Designed with corrugated insulator ribs and a longer insulator nose, it ensures reliable ignition and reduced fouling, making it a top choice for vehicle-specific engine performance.

## Description

5666 Standard Spark Plug - CR8EH-9, 1 Pack

## Features

- Fit Type: Vehicle Specific
- Designed to operate over a much wider heat range than ordinary plugs
- Corrugated ribs on insulator prevents flashover
- Longer insulator nose prevents fouling

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | NGK |
| Brand | NGK |
| Model | CR8EH-9 |
| Product Dimensions | 12.7 x 12.7 x 3.1 cm; 30 g |
| Item model number | 5666 |
| Exterior | Painted |
| Manufacturer Part Number | CR8EH-9 |
| OEM Part Number | Honda 94701 00375 |
| Position | Unknown |
| Item Weight | 30 g |

## Product Details

- **Brand:** NGK
- **Core material:** Ceramic
- **Thread size:** M14x1.25mm
- **Top material type:** Nickel
- **Vehicle service type:** Motorcycle

## Images

![5666 Standard Spark Plug - CR8EH-9, 1 Pack - Image 1](https://m.media-amazon.com/images/I/71Hv7MjI4ML.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.com.au/products/282343420-5666-standard-spark-plug-cr8eh-9-1-pack](https://www.desertcart.com.au/products/282343420-5666-standard-spark-plug-cr8eh-9-1-pack)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-07*