--- product_id: 37889845 title: "E3 Spark Plugs E3.74 Durable, High-Performance, and Versatile Premium Auto Spark Plug with Patented DiamondFire Technology, Pack of 1" brand: "e3" price: "£8.79" currency: GBP in_stock: true reviews_count: 13 category: "E3" url: https://www.desertcart.co.uk/products/37889845-e3-spark-plugs-e3-74-durable-high-performance-and-versatile store_origin: GB region: United Kingdom --- # Stronger, faster ignition Up to 13% better fuel economy Patented DiamondFire tech E3 Spark Plugs E3.74 Durable, High-Performance, and Versatile Premium Auto Spark Plug with Patented DiamondFire Technology, Pack of 1 **Brand:** e3 **Price:** £8.79 **Availability:** ✅ In Stock ## Summary > 💥 Ignite power, efficiency, and eco-conscious driving in one spark! ## Quick Answers - **What is this?** E3 Spark Plugs E3.74 Durable, High-Performance, and Versatile Premium Auto Spark Plug with Patented DiamondFire Technology, Pack of 1 by e3 - **How much does it cost?** £8.79 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/37889845-e3-spark-plugs-e3-74-durable-high-performance-and-versatile) ## 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 - • **Built to Last:** Corrosion-resistant nickel shell and ceramic insulator for extreme durability. - • **Ignite Instantly:** Advanced electrode design delivers quicker startups and sharper throttle response. - • **Eco-Friendly Drive:** Cut emissions and carbon buildup for a cleaner, greener ride. - • **Fuel-Savvy Performance:** Drive smarter with up to 13% improved fuel economy across engines. - • **DiamondFire Technology Boost:** Unlock up to 12% more horsepower with patented combustion efficiency. ## Overview The E3 Spark Plugs E3.74 feature patented DiamondFire technology that enhances combustion for up to 12% more horsepower and 13% better fuel economy. Designed with a corrosion-resistant nickel-plated shell and high-strength ceramic insulator, these plugs ensure durability and consistent ignition. Compatible with a wide range of vehicles, they reduce emissions and carbon buildup while delivering faster startups and improved throttle response, backed by a 5-year/100,000-mile warranty. ## Description E3 Spark Plugs are meticulously crafted to elevate engine performance, efficiency, and longevity. At the core of its innovation is E3’s patented DiamondFire technology, which fosters faster and more complete combustion of the fuel-air mixture. This results in increased horsepower, improved fuel economy, and reduced emissions, giving drivers a noticeable boost in engine performance. The spark plug’s unique electrode design enhances ignition, ensuring quicker startups and smoother acceleration for a more refined driving experience. Built for durability, the E3 Premium Auto Spark Plug features a corrosion-resistant nickel-plated shell and a robust ceramic insulator that can endure extreme temperatures without compromising performance. Advanced electrode materials, including copper and specialized alloys, provide exceptional conductivity and heat dissipation, ensuring an extended lifespan with fewer replacements. Versatility is another key advantage of the E3 spark plug, as it is compatible with a wide variety of vehicles and fuel types. It excels across diverse driving conditions while minimizing carbon buildup and harmful emissions, making it an environmentally conscious choice that aligns with modern emissions standards. Designed for easy installation and long-lasting performance, the E3 spark plug is the ultimate solution for drivers who value power, efficiency, and reliability in their vehicles. ## Features - DIAMONDFIRE TECHNOLOGY: Enhances combustion efficiency for increased horsepower, smoother acceleration, improved fuel economy, and reduced emissions - 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 - DURABLE CONSTRUCTION: Features a corrosion-resistant nickel-plated shell and high-strength ceramic insulator for long-lasting reliability under extreme conditions - CONSISTENT IGNITION AND WARRANTY: Advanced electrode design ensures stronger sparks, faster startups, and better throttle response; backed by a 5-year/100,000-mile limited warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01BJ5TFVE | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #267,951 in Automotive ( See Top 100 in Automotive ) #1,703 in Automotive Replacement Spark Plugs | | Brand | E3 | | Brand Name | E3 | | Compatible with Vehicle Type | Car, Motorcycle, Truck, Van | | Core Material | Copper | | Customer Reviews | 4.4 out of 5 stars 1,148 Reviews | | Global Trade Identification Number | 00894489000749 | | Included Components | Spark Plug | | Item Type Name | auto-sparkplug | | Item Weight | 9.07 g | | Manufacturer | E3 Spark Plugs | | Manufacturer Part Number | E3.74 | | Manufacturer Warranty Description | 5 Year/100,000 Mile | | Model Number | E3.74 | | OEM Equivalent Part Number | E3.74 | | Thread Size | 14 millimeters | | Top Material Type | Alloy Steel | | UPC | 894489000749 | | Unit Count | 1.0 Count | | Vehicle Service Type | Car, Motorcycle, Truck, Van | ## Product Details - **Brand:** E3 - **Core Material:** Copper - **Thread Size:** 14 millimeters - **Top Material Type:** Alloy Steel - **Vehicle Service Type:** Car, Motorcycle, Truck, Van ## Images ![E3 Spark Plugs E3.74 Durable, High-Performance, and Versatile Premium Auto Spark Plug with Patented DiamondFire Technology, Pack of 1 - Image 1](https://m.media-amazon.com/images/I/71Ocv6cpVlL.jpg) ![E3 Spark Plugs E3.74 Durable, High-Performance, and Versatile Premium Auto Spark Plug with Patented DiamondFire Technology, Pack of 1 - Image 2](https://m.media-amazon.com/images/I/71DnXIM3c1L.jpg) ![E3 Spark Plugs E3.74 Durable, High-Performance, and Versatile Premium Auto Spark Plug with Patented DiamondFire Technology, Pack of 1 - Image 3](https://m.media-amazon.com/images/I/41kUQe+Vx3L.jpg) ![E3 Spark Plugs E3.74 Durable, High-Performance, and Versatile Premium Auto Spark Plug with Patented DiamondFire Technology, Pack of 1 - Image 4](https://m.media-amazon.com/images/I/71CnQy3mVLL.jpg) ![E3 Spark Plugs E3.74 Durable, High-Performance, and Versatile Premium Auto Spark Plug with Patented DiamondFire Technology, Pack of 1 - Image 5](https://m.media-amazon.com/images/I/71odDtSu+RL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by H***R on July 26, 2016* ### ⭐⭐⭐⭐⭐ Review *by T***D on February 23, 2026* ### ⭐⭐⭐⭐⭐ Review *by S***4 on July 18, 2018* ## Frequently Bought Together - E3 Spark Plugs E3.74 Durable, High-Performance, and Versatile Premium Auto Spark Plug with Patented DiamondFire Technology, Pack of 1 - BJSIA 16mm(5/8") Swivel Magnetic Spark Plug Socket Set, 3/8 Inch Drive Thin Wall Socket, 12-Point Design Compatible with Most Cars --- ## 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.co.uk/products/37889845-e3-spark-plugs-e3-74-durable-high-performance-and-versatile](https://www.desertcart.co.uk/products/37889845-e3-spark-plugs-e3-74-durable-high-performance-and-versatile) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-18*