---
product_id: 12566708
title: "SK20HR11---- IRIDIUM PLATINUM power pack Spark Plugs -- # 3421 ----- 6 PCS NEW"
brand: "denso"
price: "17440 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/12566708-sk20hr11-iridium-platinum-power-pack-spark-plugs-3421-6-pcs
store_origin: IS
region: Iceland
---

# Iridium core for max spark efficiency Platinum top for enhanced durability 1.25mm precise thread size for perfect fit SK20HR11---- IRIDIUM PLATINUM power pack Spark Plugs -- # 3421 ----- 6 PCS NEW

**Brand:** denso
**Price:** 17440 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with DENSO’s precision power!

## Quick Answers

- **What is this?** SK20HR11---- IRIDIUM PLATINUM power pack Spark Plugs -- # 3421 ----- 6 PCS NEW by denso
- **How much does it cost?** 17440 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/12566708-sk20hr11-iridium-platinum-power-pack-spark-plugs-3421-6-pcs)

## 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

- • **Complete 6-Pack Value:** Get a full set to upgrade your entire ignition system at once.
- • **Long-Lasting Durability:** Platinum top material resists wear, extending spark plug lifespan.
- • **Precision Fit Guaranteed:** 1.25mm thread size ensures seamless installation on compatible vehicles.
- • **Unmatched Ignition Power:** Iridium core delivers superior spark for optimal engine performance.
- • **Vehicle-Specific Compatibility:** Designed for cars and trucks, ensuring tailored performance.

## Overview

The DENSO SK20HR11 Iridium Platinum Spark Plug 6-pack combines iridium core technology and platinum top material to deliver enhanced ignition efficiency, durability, and a precise 1.25mm thread fit. Engineered for cars and trucks, this genuine DENSO product ensures reliable, long-lasting performance and easy installation.

## Description

SK20HR11---- IRIDIUM PLATINUM power pack Spark Plugs -- # 3421 ----- 6 PCS NEW

## Features

- DENSO 3421
- 1order = 6 Pieces

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Denso |
| Core Material | Iridium |
| Thread Size | 1.25mm |
| Top Material Type | Platinum |
| Vehicle Service Type | Car, Truck |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 026521134574 |
| Manufacturer | Denso Sales California, Inc. |
| Model | 6 pack DENSO 3421 Spark Plug |
| Item Weight | 11.5 ounces |
| Product Dimensions | 3.62 x 5.76 x 0.96 inches |
| Item model number | SK20HR11 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 3421 |
| Position | Front, Rear |

## Product Details

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

## Images

![SK20HR11---- IRIDIUM PLATINUM power pack Spark Plugs -- # 3421 ----- 6 PCS NEW - Image 1](https://m.media-amazon.com/images/I/51l+yCCdkOL.jpg)

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**Shop now:** [https://www.desertcart.is/products/12566708-sk20hr11-iridium-platinum-power-pack-spark-plugs-3421-6-pcs](https://www.desertcart.is/products/12566708-sk20hr11-iridium-platinum-power-pack-spark-plugs-3421-6-pcs)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-31*