---
product_id: 3571728
title: "E3 Spark Plugs E3.54 Premium Automotive Spark Plug with DiamondFIRE Technology, 14mm Thread Diameter, 0.708” Reach, Taper Seat, Resistor, Pack of 1"
brand: "e3"
price: "€ 14.69"
currency: EUR
in_stock: true
reviews_count: 11
category: "E3"
url: https://www.desertcart.be/products/3571728-e3-spark-plugs-e3-54-premium-automotive-spark-plug-diamondfire
store_origin: BE
region: Belgium
---

# 12% more power 13% better fuel economy Lower emissions E3 Spark Plugs E3.54 Premium Automotive Spark Plug with DiamondFIRE Technology, 14mm Thread Diameter, 0.708” Reach, Taper Seat, Resistor, Pack of 1

**Brand:** e3
**Price:** € 14.69
**Availability:** ✅ In Stock

## Summary

> ⚡ Spark your ride with power and efficiency that lasts!

## Quick Answers

- **What is this?** E3 Spark Plugs E3.54 Premium Automotive Spark Plug with DiamondFIRE Technology, 14mm Thread Diameter, 0.708” Reach, Taper Seat, Resistor, Pack of 1 by e3
- **How much does it cost?** € 14.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/3571728-e3-spark-plugs-e3-54-premium-automotive-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

- • **Engineered for Longevity:** Yttrium-enhanced alloy with 5-year/100,000-mile warranty
- • **Cleaner Burn, Cleaner Planet:** Reduces hydrocarbon emissions and carbon buildup
- • **Power Boost Meets Fuel Savings:** Up to 12% more power and 13% improved fuel economy
- • **DiamondFIRE Tech Ignites Efficiency:** Patented side-wire electrode for faster, cleaner combustion
- • **Precision Fit for Domestic Vehicles:** 14mm thread, 0.708” reach, taper seat for secure installation

## Overview

The E3.54 Premium Automotive Spark Plug features patented DiamondFIRE technology that delivers up to 12% more engine power and 13% better fuel economy. Designed with a durable yttrium-enhanced alloy and a precise 14mm thread diameter, it ensures a secure fit and long-lasting performance backed by a 5-year/100,000-mile warranty. This spark plug promotes cleaner combustion, reducing emissions and carbon buildup for a smoother, more efficient engine experience across a wide range of domestic vehicles.

## Description

Product Description The E3.54 automotive spark plug is designed for a variety of domestic applications, offering superior performance and efficiency. With a 14mm thread diameter and 0.708-inch reach, it features a taper seat for secure installation. Equipped with E3's patented DiamondFIRE technology, where the electrode is securely attached to the shell using three legs, ensuring optimal heat transfer and improved turbulence in the cylinder. This innovative design increases engine power, enhances fuel efficiency, and reduces harmful hydrocarbon emissions over long-term use. The DiamondFIRE side wire promotes a faster and more complete fuel burn, while the full-size center and ground electrodes deliver consistent, reliable performance. This results in smoother acceleration, reduced fuel consumption, and lower emissions, all contributing to a more environmentally friendly operation. Engineered to last up to 100,000 miles or five years, guaranteeing long-lasting performance without frequent replacements. Its unique open design facilitates fresh air/fuel charge replenishment, directly exposing the flame front to the piston head, providing optimal engine performance and reduced carbon buildup. Whether used in lawn and garden equipment or automotive applications, ou spark plug ensures efficient, reliable engine operation with a quicker, smoother start and lasting durability. desertcart.com

Review: Great - Great
Review: Great plug for any type of vehicle. - The only type of sparkplug that I install on 2000 Chevy 1500 or Chevy 2500 HD, due to the racing plug design that will never foul out backed by 5-year 50,000 mile warranty.

## Features

- ENGINEERED FOR DOMESTIC VEHICLES: Compatible with a wide range of domestic automotive applications, this spark plug enhances power output, fuel efficiency, and hydrocarbon emission reduction for smoother engine performance
- DIAMONDFIRE TECHNOLOGY: Patented DiamondFIRE side-wire electrode design delivers a faster, more complete burn, optimizing combustion and boosting overall engine efficiency
- MORE POWER AND FUEL EFFICIENCY: E3 Spark Plugs deliver up to 12% more power and up to 13% better fuel economy in small engines, and up mid-single digits on automotive applications, helping to enhance overall engine performance and reduce fuel consumption across a wide range of vehicles
- LOWER EMISSIONS: The more complete burn helps to reduce emissions, minimize carbon buildup, promote cleaner combustion, and support compliance with modern environmental and emissions standards
- LONG-LASTING PERFORMANCE: Built with a Yttrium-enhanced alloy for durability and pre-ignition resistance; backed by a 5-year/100,000-mile limited warranty for reliable, extended use without frequent replacements

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000BPQGUC |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #260,888 in Automotive ( See Top 100 in Automotive ) #1,512 in Automotive Replacement Spark Plugs |
| Brand | E3 |
| Brand Name | E3 |
| Compatible with Vehicle Type | Motorcycle |
| Core Material | Copper |
| Customer Reviews | 4.4 out of 5 stars 765 Reviews |
| Gap Size | 0.04 inches |
| Global Trade Identification Number | 00894489000541, 00894489000558 |
| Included Components | (1) Spark Plug |
| Item Type Name | Spark Plugs |
| Manufacturer | E3 Spark Plugs |
| Manufacturer Part Number | E3.54 |
| Manufacturer Warranty Description | 5 Years or 100,000 miles parts |
| Model Number | E3.54 |
| OEM Equivalent Part Number | E3.54 |
| Thread Size | 14mm |
| Top Material Type | Alloy Steel |
| UPC | 894489000558 894489000541 782645716200 |
| Unit Count | 1 Count |
| Vehicle Service Type | Motorcycle |

## Product Details

- **Brand:** E3
- **Core Material:** Copper
- **Thread Size:** 14mm
- **Top Material Type:** Alloy Steel
- **Vehicle Service Type:** Motorcycle

## Images

![E3 Spark Plugs E3.54 Premium Automotive Spark Plug with DiamondFIRE Technology, 14mm Thread Diameter, 0.708” Reach, Taper Seat, Resistor, Pack of 1 - Image 1](https://m.media-amazon.com/images/I/41RP+UStcoL.jpg)
![E3 Spark Plugs E3.54 Premium Automotive Spark Plug with DiamondFIRE Technology, 14mm Thread Diameter, 0.708” Reach, Taper Seat, Resistor, Pack of 1 - Image 2](https://m.media-amazon.com/images/I/71UdUErp3TL.jpg)
![E3 Spark Plugs E3.54 Premium Automotive Spark Plug with DiamondFIRE Technology, 14mm Thread Diameter, 0.708” Reach, Taper Seat, Resistor, Pack of 1 - Image 3](https://m.media-amazon.com/images/I/81nBJg9Gs4L.jpg)
![E3 Spark Plugs E3.54 Premium Automotive Spark Plug with DiamondFIRE Technology, 14mm Thread Diameter, 0.708” Reach, Taper Seat, Resistor, Pack of 1 - Image 4](https://m.media-amazon.com/images/I/718sh6wkGPL.jpg)
![E3 Spark Plugs E3.54 Premium Automotive Spark Plug with DiamondFIRE Technology, 14mm Thread Diameter, 0.708” Reach, Taper Seat, Resistor, Pack of 1 - Image 5](https://m.media-amazon.com/images/I/813qsEtKtQL.jpg)

## Questions & Answers

**Q: Are these good for a 2001 v6 3.8 mustang?**
A: E3 makes plugs for many different car look them up on-line and type in your vehicle make , model , engine etc. they will tell you what plug you need.

**Q: How many spark plugs in a pack**
A: I believe you can get individual spark plugs as you need them you can buy a pack of 1, or pack of four, or pack of eight

**Q: Can i change the gap ?**
A: No you can't change the gap.

**Q: are these iridium?**
A: I do not know for sure

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by R***S on July 15, 2026*

Great

### ⭐⭐⭐⭐⭐ Great plug for any type of vehicle.
*by M***O on March 18, 2025*

The only type of sparkplug that I install on 2000 Chevy 1500 or Chevy 2500 HD, due to the racing plug design that will never foul out backed by 5-year 50,000 mile warranty.

### ⭐⭐⭐⭐⭐ E3 Diamond Fire Excellence
*by J***5 on February 26, 2026*

These plugs are something else.. E³ Plugs have performed exceptionally across any make and model I have owned.

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-07-30*