---
product_id: 14761185
title: "Autolite Xtreme Sport Iridium Automotive Replacement Spark Plugs, XS4303 (4 Pack)"
brand: "autolite iridium ultra"
price: "127.93 DT"
currency: TND
in_stock: false
reviews_count: 9
url: https://www.desertcart.tn/products/14761185-autolite-xtreme-sport-iridium-automotive-replacement-spark-plugs-xs4303-4
store_origin: TN
region: Tunisia
---

# 0.6mm Finewire Electrode Iridium Enhanced Ignition Vehicle-Specific Fit Autolite Xtreme Sport Iridium Automotive Replacement Spark Plugs, XS4303 (4 Pack)

**Brand:** autolite iridium ultra
**Price:** 127.93 DT
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Ignite your ride with precision and power — don’t get left behind!

## Quick Answers

- **What is this?** Autolite Xtreme Sport Iridium Automotive Replacement Spark Plugs, XS4303 (4 Pack) by autolite iridium ultra
- **How much does it cost?** 127.93 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/14761185-autolite-xtreme-sport-iridium-automotive-replacement-spark-plugs-xs4303-4)

## 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 Quality & Fit:** Autolite’s platinum sidewire technology and chrome exterior combine durability with style
- • **Tailored for Your Ride:** Vehicle-specific fit guarantees seamless installation and optimal performance 🏍️
- • **Precision Ignition Power:** 0.6mm fine wire center electrode delivers lightning-fast spark for up to 26% quicker starts ⚡
- • **Durability Meets Performance:** Iridium-enhanced core ensures long-lasting reliability and peak engine efficiency 🔥
- • **Smooth Controlled Acceleration:** Sport V-trim ground electrode design reduces pre-combustion for a refined throttle response

## Overview

Autolite Xtreme Sport Iridium Spark Plugs (XS4303) feature a 0.6mm fine wire center electrode and platinum sidewire technology, engineered for up to 26% faster starts and enhanced durability. Designed for vehicle-specific fit, these plugs deliver smooth acceleration and reliable performance, making them a top choice for motorcycle enthusiasts seeking a high-quality ignition upgrade.

## Description

.6mm fine wire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over standard plug Up to 26% quicker starts than leading standard plug.

Review: Good replacement - Worked as advertised, seems of good quality and it was a perfect fit. Durability yet to be determined.
Review: Great for a Guzzi - I had no idea how these would work. I have a Moto Guzzi V7 and until recently there was no cross reference for another spark plug. These work outstandingly, no pre-combustion, smooth controlled acceleration. Really outstanding. Like having a new motorcyle, really.

## Features

- Iridium Enhanced Spark Plug
- 0.6mm Finewire Center Electrode Design, Platinum Sidewire Technology
- Autolite Part# XS4303DP

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004SRM9O6 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #940,352 in Automotive ( See Top 100 in Automotive ) #4,751 in Automotive Replacement Spark Plugs |
| Brand | Autolite Iridium Ultra |
| Core Material | Iridium |
| Customer Reviews | 4.5 4.5 out of 5 stars (99) |
| Date First Available | January 1, 2007 |
| Exterior | Chrome |
| Global Trade Identification Number | 00009100261922 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.96 ounces |
| Item model number | XS4303-4PK |
| Manufacturer | FRAM |
| Manufacturer Part Number | XS4303 |
| Model | XS4303-4PK |
| Position | Center |
| Product Dimensions | 3.8 x 1 x 1 inches |
| Thread Size | 0.6mm |
| Top Material Type | Iridium |
| UPC | 009100261922 |
| Vehicle Service Type | Motorcycle |

## Product Details

- **Brand:** Autolite Iridium Ultra
- **Core Material:** Iridium
- **Thread Size:** 0.6mm
- **Top Material Type:** Iridium
- **Vehicle Service Type:** Motorcycle

## Images

![Autolite Xtreme Sport Iridium Automotive Replacement Spark Plugs, XS4303 (4 Pack) - Image 1](https://m.media-amazon.com/images/I/613yVZmrfsL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good replacement
*by E***N on June 14, 2025*

Worked as advertised, seems of good quality and it was a perfect fit. Durability yet to be determined.

### ⭐⭐⭐⭐⭐ Great for a Guzzi
*by A***R on April 23, 2025*

I had no idea how these would work. I have a Moto Guzzi V7 and until recently there was no cross reference for another spark plug. These work outstandingly, no pre-combustion, smooth controlled acceleration. Really outstanding. Like having a new motorcyle, really.

### ⭐⭐⭐⭐⭐ Works as Intended
*by B***T on April 30, 2025*

These spark plugs work well in the Suzuki ATV.

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**Shop now:** [https://www.desertcart.tn/products/14761185-autolite-xtreme-sport-iridium-automotive-replacement-spark-plugs-xs4303-4](https://www.desertcart.tn/products/14761185-autolite-xtreme-sport-iridium-automotive-replacement-spark-plugs-xs4303-4)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-28*