--- product_id: 735853283 title: "- Dorman 42109 Extended Spark Plug Non-Fouler - Universal Fit, 2 Pack" brand: "dorman" price: "$31.00" currency: USD in_stock: true reviews_count: 9 category: "Dorman" url: https://www.desertcart.us/products/735853283-dorman-42109-extended-spark-plug-non-fouler-universal-fit-2 store_origin: US region: United States of America --- # Extends spark plug life Universal fit for easy install Durable corrosion-resistant build - Dorman 42109 Extended Spark Plug Non-Fouler - Universal Fit, 2 Pack **Brand:** dorman **Price:** $31.00 **Availability:** ✅ In Stock ## Summary > ⚡ Keep your engine firing flawlessly—because every mile counts! ## Quick Answers - **What is this?** - Dorman 42109 Extended Spark Plug Non-Fouler - Universal Fit, 2 Pack by dorman - **How much does it cost?** $31.00 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/735853283-dorman-42109-extended-spark-plug-non-fouler-universal-fit-2) ## Best For - dorman enthusiasts ## Why This Product - Trusted dorman brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Crafted from premium materials ensuring long-term durability and reliable performance. - • **Trusted Expertise:** Backed by over 100 years of automotive innovation and ASE Blue Seal Certified support. - • **Drive with Confidence:** Join thousands of satisfied drivers who keep their engines running flawlessly. - • **Plug & Play Protection:** Direct replacement designed for hassle-free installation on specified vehicles. - • **Maximize Engine Longevity:** Prevents spark plug fouling, extending the life of your ignition system. ## Overview The Dorman 42109 Extended Spark Plug Non-Fouler is a universal-fit, durable automotive part designed to prevent spark plug fouling and corrosion. Easy to install and backed by expert support, it extends spark plug life and ensures reliable engine performance across a wide range of vehicles. ## Description This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance. Review: Great price and works.👍 - Perfect item and fit. Works like it should. Review: Worked beautifully! - We all know why we are here… in my case it worked great! Can confirm no CEL on a 718 Porsche Cayman S after 1500+ miles. ## Features - Direct replacement - this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles - Ideal solution - this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion - Durable construction - made from quality components to ensure reliable performance and a long service life - Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience - Support available - every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CKZCMVVK | | Best Sellers Rank | #2,357 in Automotive ( See Top 100 in Automotive ) #5 in Spark Plug & Ignition Tools | | Brand | Dorman | | Customer Reviews | 4.7 4.7 out of 5 stars (685) | | Date First Available | October 13, 2023 | | Exterior | Ready To Paint If Needed | | Item Weight | 3.84 ounces | | Item model number | 42109 | | Manufacturer | Dorman Products | | Manufacturer Part Number | 42109 | | Product Dimensions | 6.75 x 1.77 x 0.94 inches | ## Images ![- Dorman 42109 Extended Spark Plug Non-Fouler - Universal Fit, 2 Pack - Image 1](https://m.media-amazon.com/images/I/71tafZcFSZL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great price and works.👍 *by P***G on August 11, 2025* Perfect item and fit. Works like it should. ### ⭐⭐⭐⭐⭐ Worked beautifully! *by C***. on January 16, 2026* We all know why we are here… in my case it worked great! Can confirm no CEL on a 718 Porsche Cayman S after 1500+ miles. ### ⭐⭐⭐⭐⭐ Spark plug adapters *by N***. on December 12, 2025* These adapters showed up quickly and seem to be well made. I bought these because they were they are suppose to help in relocating oxygen sensors on one of my vehicles that I keep getting check engine lights and code PO420 ## Frequently Bought Together - Dorman 42109 Extended Spark Plug Non-Fouler - Universal Fit, 2 Pack - Offset Oxygen Sensor Socket, 3/8-Inch Drive, 7/8-Inch (22mm), Wire Gate Accesses Sensor from Side, Preventing Damage to Wires, Universal for Most Cars - Dorman 42009 Spark Plug Non-Foulers - 18mm Gasket Seat, 2 Pack Universal Fit --- ## 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.us/products/735853283-dorman-42109-extended-spark-plug-non-fouler-universal-fit-2](https://www.desertcart.us/products/735853283-dorman-42109-extended-spark-plug-non-fouler-universal-fit-2) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*