---
product_id: 111070564
title: "NEW 8PCS 3421 SK20HR11 For Denso Iridium Long Life Spark Plug"
brand: "ivok"
price: "R87"
currency: ZAR
in_stock: false
url: https://www.desertcart.co.za/products/111070564-new-8pcs-3421-sk20hr11-for-denso-iridium-long-life-spark
store_origin: ZA
region: South Africa
---

# Excellent acceleration Stable combustion High reliability NEW 8PCS 3421 SK20HR11 For Denso Iridium Long Life Spark Plug

**Brand:** ivok
**Price:** R87
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Ignite Your Drive with Denso's Iridium Spark Plugs!

## Quick Answers

- **What is this?** NEW 8PCS 3421 SK20HR11 For Denso Iridium Long Life Spark Plug by ivok
- **How much does it cost?** R87 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/111070564-new-8pcs-3421-sk20hr11-for-denso-iridium-long-life-spark)

## Best For

- ivok enthusiasts

## Why This Product

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

## Key Features

- • **Precision Engineering:** Featuring a 0.7mm fine wire iridium-tipped center electrode for optimal combustion.
- • **Trusted Brand Quality:** Manufactured by Denso, a leader in automotive technology, ensuring top-notch performance.
- • **Long-Lasting Reliability:** Designed for durability, these spark plugs ensure a longer lifespan and fewer replacements.
- • **Smooth Idling Experience:** Enjoy stable combustion during idling, enhancing your driving comfort.
- • **Unleash Your Engine's Potential:** Experience unmatched acceleration and performance with Denso's iridium technology.

## Overview

The NEW 8PCS 3421 SK20HR11 For Denso Iridium Long Life Spark Plug is engineered for exceptional performance and longevity. With a fine wire iridium-tipped center electrode and a high melting point, these plugs provide reliable combustion and improved acceleration, making them a must-have for any performance-driven vehicle.

## Description

Denso Iridium Spark Plug Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. Because of the strength and hardness of iridium, there is virtually no electrode wear. This combined with a platinum ground electrode, creates a spark plug that is almost impervious to wear even under extreme driving or racing conditions. Technical Specifications - Extra Long Life Iridium Plug, 14mm Thread, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal, 0.7mm Fine Wire Iridium-Tipped Center Electrode, Platinum Tipped Ground Electrode, .044" (1.1mm) Gap

## Features

- Single Plug
- Denso # 3421 SK20R11
- Extra Long Life Iridium Plug,Excellent acceleration and performance
- 0.7mm Fine Wire Iridium-Tipped Center Electrode,Long life and high reliability
- Stable combustion during idling,Features iridium with high melting point

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | D-E-N-S-O |
| Brand | IVOK |
| Model | Iridium Spark Plugs |
| Item Weight | 1.28 pounds |
| Product Dimensions | 3.4 x 0.8 x 0.6 inches |
| Item model number | SK20HR11 90919-01191 |
| Manufacturer Part Number | SK20HR11 3421 |
| OEM Part Number | 90919-01191 9091901191, Denso # 3421 SK20R11, Iridium Spark Plug, SK20HR-11, SK20HR11 3421 |

## Images

![NEW 8PCS 3421 SK20HR11 For Denso Iridium Long Life Spark Plug - Image 1](https://m.media-amazon.com/images/I/71dfGJ1IrEL.jpg)
![NEW 8PCS 3421 SK20HR11 For Denso Iridium Long Life Spark Plug - Image 2](https://m.media-amazon.com/images/I/61yMnW2xjGL.jpg)
![NEW 8PCS 3421 SK20HR11 For Denso Iridium Long Life Spark Plug - Image 3](https://m.media-amazon.com/images/I/51tW-cgBq8L.jpg)
![NEW 8PCS 3421 SK20HR11 For Denso Iridium Long Life Spark Plug - Image 4](https://m.media-amazon.com/images/I/51HZbCN2q+L.jpg)

---

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**Shop now:** [https://www.desertcart.co.za/products/111070564-new-8pcs-3421-sk20hr11-for-denso-iridium-long-life-spark](https://www.desertcart.co.za/products/111070564-new-8pcs-3421-sk20hr11-for-denso-iridium-long-life-spark)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-24*