---
product_id: 394413881
title: "E3 Spark Plugs E3.111 Premium Racing Spark Plug with DiamondFIRE Technology for Enhanced Power, Fuel Efficiency, and Emissions Control, Pack of 1"
brand: "e3"
price: "€ 28.85"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/394413881-e3-spark-plugs-e3-111-premium-racing-spark-plug-diamondfire
store_origin: PT
region: Portugal
---

# High performance Fuel efficiency Eco-friendly E3 Spark Plugs E3.111 Premium Racing Spark Plug with DiamondFIRE Technology for Enhanced Power, Fuel Efficiency, and Emissions Control, Pack of 1

**Brand:** e3
**Price:** € 28.85
**Availability:** ✅ In Stock

## Summary

> 🏁 Ignite Your Passion for Performance!

## Quick Answers

- **What is this?** E3 Spark Plugs E3.111 Premium Racing Spark Plug with DiamondFIRE Technology for Enhanced Power, Fuel Efficiency, and Emissions Control, Pack of 1 by e3
- **How much does it cost?** € 28.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/394413881-e3-spark-plugs-e3-111-premium-racing-spark-plug-diamondfire)

## Best For

- e3 enthusiasts

## Why This Product

- Trusted e3 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unleash Your Ride:** Experience unparalleled power and performance with E3's DiamondFIRE technology.
- • **Lifetime Assurance:** Comes with a limited lifetime warranty for peace of mind.
- • **Eco-Conscious Racing:** Improve hydrocarbon emissions without sacrificing performance.
- • **Efficiency Meets Speed:** Reduce fuel consumption while enjoying smoother acceleration.
- • **Versatile Compatibility:** Crosses with multiple brands for easy integration into your vehicle.

## Overview

The E3 Spark Plugs E3.111 Premium Racing Spark Plug features patented DiamondFIRE technology designed to enhance power, fuel efficiency, and reduce emissions. Weighing only 41g and measuring 8.64 x 2.03 x 2.29 cm, this spark plug is compatible with various applications and comes with a limited lifetime warranty.

## Description

E3 Spark Plugs E3.111 Premium Racing Spark Plug with DiamondFIRE Technology for Enhanced Power, Fuel Efficiency, and Emissions Control, Pack of 1

## Features

- High performance racing spark plug for a variety of applications, specifically designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
- E3's patented DiamondFIRE edge-to-edge electrode provides maximum performance with increased efficiency, and a faster more complete burn
- Faster flame propagation initiated by ground electrode results in a more complete burn of the fuel and air mixture for smoother acceleration and idle
- Includes one (1) E3.111 spark plug with a limited lifetime warranty
- Crosses with Autolite AR3931; Champion 293, 765, C53C, C53CX, C55C, C55CX; and NGK 6596, R5671-11

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | E3 Spark Plugs |
| Brand | E3 |
| Model | E3 Spark Plugs Premium Racing Spark Plug with DiamondFIRE Technology |
| Product Dimensions | 8.64 x 2.03 x 2.29 cm; 41 g |
| Item model number | E3.111 |
| Exterior | Machined |
| Manufacturer Part Number | E3.111 |
| Assembly Required | No |
| Manufacturer | E3 Spark Plugs |
| Country of Origin | USA |
| Item Weight | 41 g |

## Product Details

- **Brand:** E3
- **Core Material:** Copper
- **Gap Size:** 0.03 Inches
- **Thread Size:** 14mm
- **Top Material Type:** Alloy Steel

## Images

![E3 Spark Plugs E3.111 Premium Racing Spark Plug with DiamondFIRE Technology for Enhanced Power, Fuel Efficiency, and Emissions Control, Pack of 1 - Image 1](https://m.media-amazon.com/images/I/61Ik4r+05fL.jpg)
![E3 Spark Plugs E3.111 Premium Racing Spark Plug with DiamondFIRE Technology for Enhanced Power, Fuel Efficiency, and Emissions Control, Pack of 1 - Image 2](https://m.media-amazon.com/images/I/61Ik4r+05fL.jpg)
![E3 Spark Plugs E3.111 Premium Racing Spark Plug with DiamondFIRE Technology for Enhanced Power, Fuel Efficiency, and Emissions Control, Pack of 1 - Image 3](https://m.media-amazon.com/images/I/714J9KlEaoL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.pt/products/394413881-e3-spark-plugs-e3-111-premium-racing-spark-plug-diamondfire](https://www.desertcart.pt/products/394413881-e3-spark-plugs-e3-111-premium-racing-spark-plug-diamondfire)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-24*