---
product_id: 15527622
title: "Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1)"
brand: "denso"
price: "VT5476"
currency: VUV
in_stock: true
reviews_count: 13
url: https://www.desertcart.vu/products/15527622-denso-5363-iu27-iridium-power-spark-plug-pack-of-1
store_origin: VU
region: Vanuatu
---

# 0.4mm iridium electrode - max spark power U-groove & taper cut - faster flame growth 360° laser welding - unmatched durability Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1)

**Brand:** denso
**Price:** VT5476
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with precision power and unstoppable spark!

## Quick Answers

- **What is this?** Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1) by denso
- **How much does it cost?** VT5476 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/15527622-denso-5363-iu27-iridium-power-spark-plug-pack-of-1)

## Best For

- denso enthusiasts

## Why This Product

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

## Key Features

- • **Unbreakable Bond:** DENSO’s patented 360° laser welding guarantees superior strength and longevity 🔧
- • **Lightweight & Compact:** Sleek 3.35-inch design weighing just over an ounce for easy installation and enhanced engine balance ⚙️
- • **Rapid Flame Acceleration:** U-groove and taper cut ground electrode ensures quicker spark propagation 🔥
- • **Precision Ignition Mastery:** World’s smallest 0.4mm iridium center electrode for peak firing efficiency ⚡
- • **Tailored Fit for Performance:** Vehicle-specific design ensures seamless integration and optimal engine response 🚗

## Overview

The Denso IU27 Iridium Power Spark Plug features a groundbreaking 0.4mm iridium center electrode—the world’s smallest diameter—maximizing ignition efficiency. Its U-groove and taper cut ground electrode design accelerates spark flame growth while reducing heat quenching. Enhanced by DENSO’s patented 360-degree laser welding, this spark plug offers exceptional durability and a perfect vehicle-specific fit, delivering reliable, high-performance ignition for cars and trucks.

## Description

Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1)

Review: YOUR BIKE WILL LOVE YOU! - Spend the extra $3 on these instead of NGK, Irridium Densos will wake your bike up. Clean idle, no bog, and less foul, NICE!
Review: Excellent upgrade for the stock spark plugs - Excellent upgrade for the stock spark plugs. I already had installed a full exhaust system, and these plugs plus a K&N air filter complete the package. Of course had to remap the fuel injection system.

## 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 | B000CJ04B4 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #460,138 in Automotive ( See Top 100 in Automotive ) #92 in Automotive Performance Spark Plugs |
| Brand Name | Denso |
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Iridium |
| Customer Reviews | 4.5 4.5 out of 5 stars (108) |
| Gap Size | 0.4 Millimeters |
| Global Trade Identification Number | 00042511053632 |
| Included Components | Spark Plug |
| Item Type Name | Spark Plug |
| Item Weight | 0.03 Kilograms |
| Manufacturer | Denso |
| Manufacturer Part Number | IU27 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Model Number | IU27 |
| OEM Equivalent Part Number | DENS7 |
| Thread Size | M14 x 1.25 |
| Top Material Type | Iridium |
| UPC | 042511053632 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Denso
- **Core Material:** Iridium
- **Thread Size:** M14 x 1.25
- **Top Material Type:** Iridium
- **Vehicle Service Type:** Car, Truck

## Images

![Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/71j0LjNNt3L.jpg)
![Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1) - Image 2](https://m.media-amazon.com/images/I/51f2Iosq2DL.jpg)
![Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1) - Image 3](https://m.media-amazon.com/images/I/61hohZdadeL.jpg)
![Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1) - Image 4](https://m.media-amazon.com/images/I/61dxSBtraLL.jpg)
![Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1) - Image 5](https://m.media-amazon.com/images/I/41AjIQSaJJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ YOUR BIKE WILL LOVE YOU!
*by J***. on June 19, 2018*

Spend the extra $3 on these instead of NGK, Irridium Densos will wake your bike up. Clean idle, no bog, and less foul, NICE!

### ⭐⭐⭐⭐⭐ Excellent upgrade for the stock spark plugs
*by M***A on August 5, 2014*

Excellent upgrade for the stock spark plugs. I already had installed a full exhaust system, and these plugs plus a K&N air filter complete the package. Of course had to remap the fuel injection system.

### ⭐⭐⭐ Fair
*by L***S on October 13, 2019*

No increase I’m power

## Frequently Bought Together

- Denso (5363) IU27 Iridium Power Spark Plug, (Pack of 1)
- Genuine Honda (25430-PLR-003) Transmission Filter

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**Shop now:** [https://www.desertcart.vu/products/15527622-denso-5363-iu27-iridium-power-spark-plug-pack-of-1](https://www.desertcart.vu/products/15527622-denso-5363-iu27-iridium-power-spark-plug-pack-of-1)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-04-23*