---
product_id: 15130287
title: "# 3324 Iridium LONG LIFE Spark Plugs -- SK16R11 ----- 4 PCS NEW"
brand: "denso"
price: "A$85"
currency: AUD
in_stock: true
reviews_count: 13
category: "Denso"
url: https://www.desertcart.com.au/products/15130287-3324-iridium-long-life-spark-plugs-sk16r11-4-pcs-new
store_origin: AU
region: Australia
---

# Lasts up to 100,000 miles for long-term reliability Iridium fine-wire electrode for superior ignition Direct OEM replacement, easy install & perfect fit # 3324 Iridium LONG LIFE Spark Plugs -- SK16R11 ----- 4 PCS NEW

**Brand:** denso
**Price:** A$85
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with DENSO Iridium – performance that lasts!

## Quick Answers

- **What is this?** # 3324 Iridium LONG LIFE Spark Plugs -- SK16R11 ----- 4 PCS NEW by denso
- **How much does it cost?** A$85 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/15130287-3324-iridium-long-life-spark-plugs-sk16r11-4-pcs-new)

## 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

- • **Unmatched Longevity:** Engineered to last 100,000 miles, reducing maintenance frequency and saving you money.
- • **OEM-Grade Fit & Finish:** Guaranteed direct replacement with original packaging and hardware for hassle-free installation.
- • **Fuel Efficiency Booster:** Optimized combustion stability improves fuel economy and lowers emissions consistently.
- • **Trusted by Professionals:** Top-rated with 4.7 stars from 600+ reviews, the go-to spark plug for Toyota and beyond.
- • **Precision Iridium Technology:** Fine-wire center electrode ensures faster, cleaner sparks for peak engine performance.

## Overview

The DENSO 3324 Iridium Long Life Spark Plugs come in a 4-pack and feature a fine-wire iridium center electrode and tapered ground electrode for enhanced ignition efficiency. Designed as a direct OEM replacement, these plugs fit specific vehicles perfectly and promise up to 100,000 miles of reliable performance. With a 4.7-star rating from over 600 users, they deliver improved fuel economy, smoother starts, and reduced emissions, making them a top choice for both professional mechanics and car enthusiasts.

## Description

Genuine 4 pack DENSO 3324 Spark Plug

Review: High-Performance, Long-Lasting Spark Plugs! - As a seasoned shade-tree mechanic, and life-long electronic technician, I've worked on countless Toyotas, and I've consistently noticed one thing: they all come equipped with Denso Iridium spark plugs. After numerous installations and inspections, I confidently give these spark plugs a perfect 5 out of 5 stars for their outstanding performance and durability. Denso Iridium spark plugs are engineered with precision in mind, featuring a fine wire iridium center electrode and a tapered ground electrode. This unique design helps to improve the efficiency of the ignition system, leading to smoother starts, better fuel economy, and a noticeable improvement in engine performance over the lifespan of the plugs. One of the most impressive features of these plugs is their longevity. They live up to the promise of lasting 100,000 miles, making them an exceptional value for the price. For vehicle owners, this means less frequent replacements, reduced maintenance costs, and the peace of mind that comes from knowing your engine is operating with one of the best spark plugs on the market. I also appreciate that Denso Iridium plugs produce stable combustion during the lifespan of the plug, contributing to the consistent performance and emission reductions. This aspect is crucial for keeping vehicles running optimally and passing emissions tests without trouble. If you're looking to replicate the original performance of your Toyota or simply upgrade your current vehicle's spark plugs, Denso Iridium is an excellent choice. Whether you're a professional mechanic or a car enthusiast looking to do some DIY maintenance, installing these spark plugs is a straightforward process that yields real benefits in terms of engine response and efficiency. In summary, if you're in the market for reliable, high-quality spark plugs that offer professional-grade performance and longevity, you can't go wrong with Denso Iridium. Highly recommended for keeping your vehicle running smoothly for miles to come.
Review: Perfect, fits 2013 Yaris - Easy install, snug as a bug.

## Features

- 4 pack DENSO 3324 Spark Plug
- Genuine DENSO Parts
- Includes original packaging and hardware
- Direct replacement auto parts
- Confirm vehicle fitment with desertcart Confirmed Fit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00LVBZMFU |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #19,011 in Automotive ( See Top 100 in Automotive ) #97 in Automotive Replacement Spark Plugs |
| Brand | Denso |
| Core Material | Iridium |
| Customer Reviews | 4.7 4.7 out of 5 stars (642) |
| Date First Available | July 17, 2014 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.44 ounces |
| Item model number | SK16R11 |
| Manufacturer | Denso Sales California, Inc. |
| Manufacturer Part Number | 3324 |
| Model | 4 pack DENSO 3324 Spark Plug |
| OEM Part Number | 3324 |
| Position | Front, Rear |
| Product Dimensions | 3.62 x 3.84 x 0.96 inches |
| Thread Size | 14mm |
| Top Material Type | Iridium |
| Vehicle Service Type | Car, Truck |

## Product Details

- **Brand:** Denso
- **Core Material:** Iridium
- **Thread Size:** 14mm
- **Top Material Type:** Iridium
- **Vehicle Service Type:** Car, Truck

## Images

![# 3324 Iridium LONG LIFE Spark Plugs -- SK16R11 ----- 4 PCS NEW - Image 1](https://m.media-amazon.com/images/I/91xOoxflpfL.jpg)

## Questions & Answers

**Q: Is there a way to determine if these are genuine Denso?**
A: They have the brand marked in the porcelain and came in a denso pack. 
I have three years of usage in my toyota and runs like new

**Q: Do I need to use anti seize lubricant when I install Denso sparks plugs?**
A: In the old days we always used anti seize on plugs going into aluminum heads. Apparently not anymore as a factory certified Toyota mechanic recently stated in a YouTube video that using antiseize is not recommended and can actually cause the plugs to seize up. I checked this out on the NGK site and they state that plugs are manufactured with a coating today to prevent seizing. Applying antiseize to these plugs reduces friction by 20% leading to overtightening and later to seizing. So no, don't use anti seize!

**Q: Ya vienen calibradas?**
A: Estás bujías vienen calibradas,

**Q: Does this work fine for a 2003 celica gt? not gts one.**
A: I am sure that these will work just fine for you. I have a 2001 Toyota Corolla and since yours has the same motor, they will work just fine. I did have to purchase a couple of coils but they may or may not be required for your peticular application. I do recomend these plugs. Great value and product for the price.

## Customer Reviews

### ⭐⭐⭐⭐⭐ High-Performance, Long-Lasting Spark Plugs!
*by M***R on April 30, 2024*

As a seasoned shade-tree mechanic, and life-long electronic technician, I've worked on countless Toyotas, and I've consistently noticed one thing: they all come equipped with Denso Iridium spark plugs. After numerous installations and inspections, I confidently give these spark plugs a perfect 5 out of 5 stars for their outstanding performance and durability. Denso Iridium spark plugs are engineered with precision in mind, featuring a fine wire iridium center electrode and a tapered ground electrode. This unique design helps to improve the efficiency of the ignition system, leading to smoother starts, better fuel economy, and a noticeable improvement in engine performance over the lifespan of the plugs. One of the most impressive features of these plugs is their longevity. They live up to the promise of lasting 100,000 miles, making them an exceptional value for the price. For vehicle owners, this means less frequent replacements, reduced maintenance costs, and the peace of mind that comes from knowing your engine is operating with one of the best spark plugs on the market. I also appreciate that Denso Iridium plugs produce stable combustion during the lifespan of the plug, contributing to the consistent performance and emission reductions. This aspect is crucial for keeping vehicles running optimally and passing emissions tests without trouble. If you're looking to replicate the original performance of your Toyota or simply upgrade your current vehicle's spark plugs, Denso Iridium is an excellent choice. Whether you're a professional mechanic or a car enthusiast looking to do some DIY maintenance, installing these spark plugs is a straightforward process that yields real benefits in terms of engine response and efficiency. In summary, if you're in the market for reliable, high-quality spark plugs that offer professional-grade performance and longevity, you can't go wrong with Denso Iridium. Highly recommended for keeping your vehicle running smoothly for miles to come.

### ⭐⭐⭐⭐⭐ Perfect, fits 2013 Yaris
*by M***K on January 24, 2026*

Easy install, snug as a bug.

### ⭐⭐⭐⭐⭐ Quality parts as supposed OEM manufacturer
*by M***E on December 3, 2025*

Quality parts as supposed OEM manufacturer Works great

## Frequently Bought Together

- DENSO # 3324 Iridium LONG LIFE Spark Plugs -- SK16R11 ----- 4 PCS NEW
- LOIOLFIL Cabin Air Filter Replacement for CF10133 CP133, Fits Toyota Corolla 2002-2008, Matrix 2003-2008, Premium Cabin Filter with Activated Carbon
- FRAM Extra Guard PH4967, 10K Mile Change Automotive Replacement Interval Spin-On Engine Oil Filter for Select Vehicle Models

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/15130287-3324-iridium-long-life-spark-plugs-sk16r11-4-pcs-new](https://www.desertcart.com.au/products/15130287-3324-iridium-long-life-spark-plugs-sk16r11-4-pcs-new)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-19*