--- product_id: 29419029 title: "Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack)" brand: "autolite" price: "€ 5.33" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.pt/products/29419029-autolite-437-copper-non-resistor-automotive-replacement-spark-plug-1 store_origin: PT region: Portugal --- # Boosts fuel efficiency & smooth acceleration Full copper core for max thermal conductivity Heat-fused internal seal for leak-proof durability Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack) **Brand:** autolite **Price:** € 5.33 **Availability:** ✅ In Stock ## Summary > ⚡ Spark your engine’s potential with Autolite 437 – where power meets precision! ## Quick Answers - **What is this?** Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack) by autolite - **How much does it cost?** € 5.33 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/29419029-autolite-437-copper-non-resistor-automotive-replacement-spark-plug-1) ## Best For - autolite enthusiasts ## Why This Product - Trusted autolite brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Heat-fused internal seal guarantees leak-proof reliability and extended spark plug life. - • **Legacy of Innovation:** Trusted Autolite technology since 1936, delivering proven performance and value every mile. - • **Precision Engineering:** Copper-glass seal bonds insulator and terminal post for unmatched durability and stability. - • **Ignite Peak Performance:** Full copper core electrode ensures superior heat transfer for consistent power under all conditions. - • **Drive Smarter, Not Harder:** Optimized for quick starts and enhanced fuel economy, saving you money at the pump. ## Overview The Autolite 437 Copper Non-Resistor Spark Plug features a full copper core electrode for superior thermal conductivity, enhancing engine performance and fuel efficiency. Its heat-fused internal seal ensures leak-proof durability, while the copper-glass seal construction provides long-lasting stability. Backed by Autolite’s legacy since 1936, this spark plug delivers reliable, smooth acceleration and quick starts for your vehicle. ## Description Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack) ## Features - MAXIMUM PERFORMANCE: Every Copper Spark Plug has a full copper core electrode which provides higher thermal conductivity for better performance in all conditions - IMPROVED DURABILITY: All Autolite spark plugs are Leak proof and come with a heat fused internal seal for long lasting durability - CONSTRUCTION: These replacement spark plugs have a copper-glass seal which bonds the insulator and the terminal post center electrode together - FUEL EFFICIENCY: The Autolite copper automotive replacement spark plug are guaranteed to deliver quick starts, better fuel economy and smooth acceleration - AUTOLITE ADVANTAGE: Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on our copper plugs for performance and value, backed by decades of experience and passion ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Autolite | | Core Material | Copper | | Thread Size | RM | | Top Material Type | Alloy Steel | | Vehicle Service Type | Car | | Global Trade Identification Number | 00009100253545 | | UPC | 009100253552 009100253545 | | Manufacturer | FRAM | | Model | Spark Plug | | Item Weight | 1.6 ounces | | Product Dimensions | 1 x 1 x 3.38 inches | | Country of Origin | Mexico | | Item model number | 437 | | Is Discontinued By Manufacturer | Yes | | Manufacturer Part Number | 437 | ## Product Details - **Brand:** Autolite - **Core Material:** Copper - **Thread Size:** RM - **Top Material Type:** Alloy Steel - **Vehicle Service Type:** Car ## Images ![Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack) - Image 1](https://m.media-amazon.com/images/I/71-GAahSRNL.jpg) ![Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack) - Image 2](https://m.media-amazon.com/images/I/61zx25-cqlL.jpg) ![Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack) - Image 3](https://m.media-amazon.com/images/I/71sRR+tS62L.jpg) ![Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack) - Image 4](https://m.media-amazon.com/images/I/71MGX4XYJQL.jpg) ![Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack) - Image 5](https://m.media-amazon.com/images/I/71OdKPYQstL.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great! *by T***L on February 15, 2025* Installed in my 1939 9n that needed a little hotter plug. Starts and runs like a new tractor. ### ⭐⭐⭐⭐⭐ Good product *by G***R on November 20, 2024* Good plugs.good price ### ⭐⭐⭐⭐⭐ Good price *by C***7 on May 9, 2025* Price was good fast shipping ## Frequently Bought Together - Autolite 437 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack) - THUNDERMINGO Fuel Sediment Bowl 2NAA9155B Assembly for Ford Tractor 8N 9N 2N fuel sediment bowl glass NAA Jubilee Tractor Massey Ferguson TE20 TO20 TO30 TO35 MF35 MF50 Replacement 180141M91 2N9155B - IEQFUE Oil Filter APN6731B 86546 Compatible with Ford 8N 9N 2N 9N6731 Baldwin --- ## 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.pt/products/29419029-autolite-437-copper-non-resistor-automotive-replacement-spark-plug-1](https://www.desertcart.pt/products/29419029-autolite-437-copper-non-resistor-automotive-replacement-spark-plug-1) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-25*