---
product_id: 93258550
title: "Autolite Iridium XP Automotive Replacement Spark Plugs, XP5363 (4 Pack)"
brand: "autolite iridium ultra"
price: "A$59"
currency: AUD
in_stock: true
reviews_count: 13
category: "Autolite Iridium Ultra"
url: https://www.desertcart.com.au/products/93258550-autolite-iridium-xp-automotive-replacement-spark-plugs-xp5363-4-pack
store_origin: AU
region: Australia
---

# Platinum ground wire & V-trimmed electrode for optimal ignition 0.6mm finewire iridium tip for max fuel efficiency Up to 100,000 miles extended change interval Autolite Iridium XP Automotive Replacement Spark Plugs, XP5363 (4 Pack)

**Brand:** autolite iridium ultra
**Price:** A$59
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite Performance, Slash Fuel Costs, Own the Road!

## Quick Answers

- **What is this?** Autolite Iridium XP Automotive Replacement Spark Plugs, XP5363 (4 Pack) by autolite iridium ultra
- **How much does it cost?** A$59 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/93258550-autolite-iridium-xp-automotive-replacement-spark-plugs-xp5363-4-pack)

## Best For

- autolite iridium ultra enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Legacy:** Backed by Autolite’s 80+ years of expertise and a limited lifetime warranty for peace of mind.
- • **Fuel-Smart Design:** Advanced electrode technology maximizes fuel efficiency, helping you save at the pump without sacrificing power.
- • **Precision Ignition:** 0.6mm finewire iridium tip with laser welding ensures sharper, more consistent sparks for peak engine performance.
- • **Unmatched Longevity:** Engineered to last up to 100,000 miles, reducing maintenance frequency and cost.
- • **Universal Compatibility:** Fits all makes and models, domestic and foreign, making it the go-to upgrade for any vehicle.

## Overview

Autolite Iridium XP spark plugs feature a durable 0.6mm finewire iridium center electrode and platinum-protected ground wire, delivering up to 100,000 miles of reliable, fuel-efficient ignition. Designed for all vehicle types, these plugs combine cutting-edge laser welding technology with Autolite’s trusted legacy, ensuring optimal engine performance and longevity backed by a limited lifetime warranty.

## Description

Autolite Iridium XP is designed and engineered in the USA, is one of the brand's most technologically advanced spark plugs ever. These spark plugs provide better durability and a more focused ignition for better overall ignitability and optimum performance. Autolite Iridium XP spark plugs function for all makes and models, both foreign and domestic, provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products. Consider upgrading to Autolite iridium XP spark plugs for increased performance. Autolite Iridium XP spark plugs are backed by an unmatched limited lifetime warranty.

Review: Factory exact Replacement Spark Plugs - These replace the factory sparkplugs and work as well or better.
Review: Spark plugs - Great price way better than same plug at parts house

## Features

- EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today
- FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption
- OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance
- AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs
- CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B078KWTCF2 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #47,089 in Automotive ( See Top 100 in Automotive ) #295 in Automotive Replacement Spark Plugs |
| Brand | Autolite Iridium Ultra |
| Core Material | Iridium |
| Customer Reviews | 4.6 4.6 out of 5 stars (909) |
| Date First Available | January 12, 2018 |
| Exterior | Chrome |
| Global Trade Identification Number | 00009100267597 |
| Item Weight | 1.92 ounces |
| Item model number | XP5363-4PK |
| Manufacturer | FRAM |
| Manufacturer Part Number | XP5363-4PK |
| Model | XP5363-4PK |
| Position | Center |
| Product Dimensions | 3.38 x 1 x 1 inches |
| Special Features | Finewire design, Limited Lifetime Warranty |
| Thread Size | 14 millimeters X 1.25 |
| Top Material Type | Nickel |
| UPC | 009100267597 |
| Vehicle Service Type | Car, Truck |

## Product Details

- **Brand:** Autolite Iridium Ultra
- **Core Material:** Iridium
- **Thread Size:** 14 millimeters X 1.25
- **Top Material Type:** Nickel
- **Vehicle Service Type:** Car, Truck

## Images

![Autolite Iridium XP Automotive Replacement Spark Plugs, XP5363 (4 Pack) - Image 1](https://m.media-amazon.com/images/I/71zUj4JgPFL.jpg)

## Questions & Answers

**Q: Can this be used on motocross?**
A: These plugs cannot be used for Motorcross, it only has vehicle applications.

**Q: Sirven para mi mazda 3 modelo 2014**
A: No, Autolite XP5363 no son compatibles con ese modelo. Autolite Iridium XP XP5682 sirve para 2014 Mazda 3 (2.0L & 2.5L).

**Q: Buenos dias, estas bujias sirven para un ford fiesta 2011 1,6**
A: Si

**Q: Se extrae con k dado**
A: 5/8

## Customer Reviews

### ⭐⭐⭐⭐⭐ Factory exact Replacement Spark Plugs
*by G***L on September 26, 2025*

These replace the factory sparkplugs and work as well or better.

### ⭐⭐⭐⭐⭐ Spark plugs
*by A***L on January 11, 2026*

Great price way better than same plug at parts house

### ⭐⭐⭐⭐⭐ Spark plugs.
*by H***G on September 4, 2024*

My car just rolled past 200,000 miles so I wanted to replace the spark plugs before they failed. They came pre-gapped (which I checked) and they are a great value for the money. These also have the fit, quality, and performance I'm looking for.

## Frequently Bought Together

- Autolite Iridium XP Automotive Replacement Spark Plugs, XP5363 (4 Pack)
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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-28*