--- product_id: 254844557 title: "E3 Spark Plugs E3.81 Premium Automotive Spark Plug w/DiamondFIRE Technology (Pack of 1)" brand: "e3" price: "€ 18.02" currency: EUR in_stock: true reviews_count: 5 category: "E3" url: https://www.desertcart.be/products/254844557-e3-spark-plugs-e3-81-premium-automotive-spark-plug-w store_origin: BE region: Belgium --- # Max Power Boost Fuel Efficiency Eco-Friendly Emissions E3 Spark Plugs E3.81 Premium Automotive Spark Plug w/DiamondFIRE Technology (Pack of 1) **Brand:** e3 **Price:** € 18.02 **Availability:** ✅ In Stock ## Summary > 🚗 Ignite Your Drive with E3 Spark Plugs! ## Quick Answers - **What is this?** E3 Spark Plugs E3.81 Premium Automotive Spark Plug w/DiamondFIRE Technology (Pack of 1) by e3 - **How much does it cost?** € 18.02 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/254844557-e3-spark-plugs-e3-81-premium-automotive-spark-plug-w) ## 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 - • **Versatile Fit:** Perfect for a wide range of domestic vehicles and trucks! - • **Unleash Your Ride:** Experience a power surge with E3's DiamondFIRE technology! - • **Lifetime Assurance:** Enjoy peace of mind with a limited lifetime warranty! - • **Fuel Savings Galore:** Reduce fuel consumption and save at the pump! - • **Eco-Conscious Performance:** Lower hydrocarbon emissions for a greener drive! ## Overview The E3 Spark Plugs E3.81 is a premium automotive spark plug designed to enhance engine performance, improve fuel efficiency, and reduce harmful emissions. Featuring patented DiamondFIRE technology, this spark plug ensures a faster and more complete burn, making it ideal for various domestic applications. With a focus on durability and efficiency, it includes a limited lifetime warranty for added confidence. ## Description The E3.81 auto spark plug is a 12mm, 1.000” reach plug with a gasket seat. It fits a wide variety of late model applications, especially import. E3.81 has two legs securing the DiamondFIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented DiamondFIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The unique ground electrode and full-size center electrode also provides optimal performance for a guaranteed five years or 100,000 miles. Part Number: E3.81; Resistor: Resistor; Hex Size: 9/16"; Thread Reach: 1.000"; Thread Diameter: 12mm; Seat: Gasket; Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted. Our unique DiamondFIRE open design forces air gap discharges, creating the preferred edge-to-edge spark path. The design allows replenishment of the spark zone with a fresh fuel/air charge, and exposes the flame front more directly to the piston head than other plug designs. This distinctive spark plug design has proven to simultaneously increase engine power output, reduce gasoline consumption, decrease hydrocarbon and carbon monoxide emissions from the engine, and materially extend the life of the spark plug. Our lawn and garden spark plugs help engines operate more efficiently with a faster and smoother acceleration. Review: Acura Spark Plug - Superior quality, work best than OEM in Acura! Review: Excellent Product - Value for the money 💰 ## Features - Automotive spark plug that fits a variety of domestic applications, 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 - Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for a reduction in side wire temperature for less pre-ignition - Includes one (1) E3.81 spark plug with a limited lifetime warranty - Primarily used in a wide variety of automotive and truck applications.Fit type: Vehicle Specific ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | E3 Spark Plugs | | Brand | E3 | | Model | E3 Spark Plugs E3.81 Automotive Spark Plug, Pack of 1 | | Product Dimensions | 3.3 x 3.3 x 9.53 cm; 68.04 g | | Item model number | E3.81 | | Manufacturer Part Number | E3.81 | | OEM Part Number | E3.81 | | Item Weight | 68 g | ## Images ![E3 Spark Plugs E3.81 Premium Automotive Spark Plug w/DiamondFIRE Technology (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/514j+O9iRWL.jpg) ![E3 Spark Plugs E3.81 Premium Automotive Spark Plug w/DiamondFIRE Technology (Pack of 1) - Image 2](https://m.media-amazon.com/images/I/71vXNDnof9L.jpg) ![E3 Spark Plugs E3.81 Premium Automotive Spark Plug w/DiamondFIRE Technology (Pack of 1) - Image 3](https://m.media-amazon.com/images/I/81nBJg9Gs4L.jpg) ![E3 Spark Plugs E3.81 Premium Automotive Spark Plug w/DiamondFIRE Technology (Pack of 1) - Image 4](https://m.media-amazon.com/images/I/718sh6wkGPL.jpg) ![E3 Spark Plugs E3.81 Premium Automotive Spark Plug w/DiamondFIRE Technology (Pack of 1) - Image 5](https://m.media-amazon.com/images/I/813qsEtKtQL.jpg) ## Questions & Answers **Q: Will thease fit a 2015 honda crv** A: they should, mines a 2016 **Q: Fit A 2016 Nissan Altima 2.5 ?** A: You need to check your specs. But the correct size should work. **Q: will fit mercedes benz gl450 x164** A: E3 customer service . **Q: Altima 2009 4 cilindros 2.5** A: E3.81 is the correct plug. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Acura Spark Plug *by G***Z on 27 January 2026* Superior quality, work best than OEM in Acura! ### ⭐⭐⭐⭐⭐ Excellent Product *by F***Y on 23 September 2023* Value for the money 💰 ### ⭐⭐⭐⭐⭐ Fire *by T***N on 14 April 2026* You already know that this product is good and sparks a good ignition to the engine ## Frequently Bought Together - E3 Spark Plugs E3.81 Premium Automotive Spark Plug w/DiamondFIRE Technology (Pack of 1) - A-Premium Ignition Coil Compatible with Nissan & Infiniti Vehicles - 2.5L 3.5L - Altima 2007-2018, Pathfinder 2013-2019, Maxima Murano Quest 350Z EX35 FX35 G35 Q50 QX60 M35 G25, Replace# 22448JA10A --- ## 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.be/products/254844557-e3-spark-plugs-e3-81-premium-automotive-spark-plug-w](https://www.desertcart.be/products/254844557-e3-spark-plugs-e3-81-premium-automotive-spark-plug-w) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-25*