---
product_id: 741055195
title: "Denso (5309) IXU24 Iridium Power Spark Plug, (Pack of 1)"
brand: "デンソー(denso)"
price: "€ 2114.29"
currency: EUR
in_stock: true
reviews_count: 8
category: "デンソー(Denso)"
url: https://www.desertcart.nl/products/741055195-denso-5309-ixu24-iridium-power-spark-plug-pack-of-1
store_origin: NL
region: Netherlands
---

# 0.4mm iridium electrode - max spark efficiency U-groove & taper cut electrode - faster flame growth 360° laser welding - unmatched durability Denso (5309) IXU24 Iridium Power Spark Plug, (Pack of 1)

**Brand:** デンソー(denso)
**Price:** € 2114.29
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with precision-engineered power!

## Quick Answers

- **What is this?** Denso (5309) IXU24 Iridium Power Spark Plug, (Pack of 1) by デンソー(denso)
- **How much does it cost?** € 2114.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/741055195-denso-5309-ixu24-iridium-power-spark-plug-pack-of-1)

## Best For

- デンソー(denso) enthusiasts

## Why This Product

- Trusted デンソー(denso) brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unrivaled Durability:** DENSO’s patented 360-degree laser welding ensures a rock-solid bond and long-lasting structural strength.
- • **Vehicle-Specific Fit:** Tailored compatibility ensures seamless installation and reliable performance for your exact car model.
- • **Rapid Flame Propagation:** Innovative U-groove and taper cut ground electrode accelerates spark flame growth, boosting combustion efficiency.
- • **Precision Ignition Power:** World’s smallest 0.4mm iridium center electrode delivers maximum firing potential for peak engine performance.
- • **Optimized Fuel Efficiency:** Enhanced spark quality means cleaner burns and improved mileage—drive smarter, not harder.

## Overview

The Denso IXU24 Iridium Power Spark Plug features a razor-thin 0.4mm iridium electrode for superior ignition, combined with a U-groove and taper cut ground electrode for faster spark flame growth. Its patented 360-degree laser welding guarantees exceptional durability and performance, making it a top choice for vehicle-specific, high-efficiency engine tuning.

## Description

Product Description [Caution] Please check the compatibility chart for your vehicle and the number of pieces you need. The alphabet and numbers of the product number are different, so please check your car verification before placing your order. Legal Disclaimer [Caution] Please check the compatibility chart for your vehicle and the number of pieces you need. The alphabet and numbers of the product number are different, so please check your car verification before placing your order

Review: 信頼のあるイリジュームプラグ - 前回も使い、エンジンの調子も良好でした。イリジュームの点火プラグに期待します。
Review: 安心 - 流石NGKです。 エンジンが軽くなった感じです。 安心して使えますね

## Features

- 0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potential
- U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching
- DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000M6WQFY |
| Amazon Bestseller | #133,333 in Automotive ( See Top 100 in Automotive ) #1,020 in Automotive Replacement Spark Plugs |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand | デンソー(DENSO) |
| Brand Name | デンソー(DENSO) |
| Compatible with Vehicle Type | Car |
| Core Material | Iridium |
| Customer Reviews | 4.2 out of 5 stars 80 Your Review |
| Gap Size | 0.4 Millimeters |
| Global Trade Identification Number | 00042511053090 |
| Included Components | No |
| Item Height | 7.8 cm |
| Item Type Name | Iridium Plug |
| Item Weight | 0.04 Kilograms |
| Manufacturer | デンソー(Denso) |
| Manufacturer Part Number | IXU24 |
| Manufacturer Warranty Description | No |
| Thread Size | 12mm |
| UPC | 042511053090 042511530942 |
| Unit Count | 1 本 |
| Vehicle Service Type | Car |

## Product Details

- **Brand:** Denso
- **Core Material:** Iridium
- **Gap Size:** 0.4 Millimeters
- **Thread Size:** 12mm
- **Vehicle Service Type:** Car

## Images

![Denso (5309) IXU24 Iridium Power Spark Plug, (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/31eUTmfK5fL.jpg)
![Denso (5309) IXU24 Iridium Power Spark Plug, (Pack of 1) - Image 2](https://m.media-amazon.com/images/I/31kkccsRmVL.jpg)
![Denso (5309) IXU24 Iridium Power Spark Plug, (Pack of 1) - Image 3](https://m.media-amazon.com/images/I/417cnCkROSL.jpg)
![Denso (5309) IXU24 Iridium Power Spark Plug, (Pack of 1) - Image 4](https://m.media-amazon.com/images/I/41i64dm7sJL.jpg)
![Denso (5309) IXU24 Iridium Power Spark Plug, (Pack of 1) - Image 5](https://m.media-amazon.com/images/I/510YBCVK40L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 信頼のあるイリジュームプラグ
*by ｼ***太 on September 17, 2025*

前回も使い、エンジンの調子も良好でした。イリジュームの点火プラグに期待します。

### ⭐⭐⭐⭐⭐ 安心
*by イ***チ on December 10, 2024*

流石NGKです。 エンジンが軽くなった感じです。 安心して使えますね

### ⭐⭐⭐⭐⭐ 低速時のトルクアップ。
*by K***M on April 21, 2022*

当方ドカティM696ですが始動性と低速時のギクシャクした感じが無くなりました。

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**Shop now:** [https://www.desertcart.nl/products/741055195-denso-5309-ixu24-iridium-power-spark-plug-pack-of-1](https://www.desertcart.nl/products/741055195-denso-5309-ixu24-iridium-power-spark-plug-pack-of-1)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-03*