--- product_id: 421054865 title: "Lisle 20580 InLine Spark Tester w/Coil On Plug Wire, One Size, Factory" brand: "lisle" price: "€ 40.51" currency: EUR in_stock: true reviews_count: 13 category: "Lisle" url: https://www.desertcart.ie/products/421054865-lisle-20580-inline-spark-tester-w-coil-on-plug-wire store_origin: IE region: Ireland --- # Instant spark visualization Dual-ended wire for versatile fit 7" extension for hard-to-reach plugs Lisle 20580 InLine Spark Tester w/Coil On Plug Wire, One Size, Factory **Brand:** lisle **Price:** € 40.51 **Availability:** ✅ In Stock ## Summary > ⚡ Diagnose like a pro, fix like a boss! ## Quick Answers - **What is this?** Lisle 20580 InLine Spark Tester w/Coil On Plug Wire, One Size, Factory by lisle - **How much does it cost?** € 40.51 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/421054865-lisle-20580-inline-spark-tester-w-coil-on-plug-wire) ## Best For - lisle enthusiasts ## Why This Product - Trusted lisle brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Extended Reach:** 7-inch extension wire conquers recessed coil-on-plug setups 🔧 - • **Dual Boot Design:** Switch effortlessly between straight and 90° boots for all plug types 🔄 - • **Instant Spark Diagnosis:** See ignition sparks live for rapid troubleshooting ⚡ - • **Universal Compatibility:** Works seamlessly with all ignition systems—your go-to diagnostic tool 🌍 - • **Durability Meets Precision:** Built to last with replaceable bulb for years of reliable use 🛠️ ## Overview The Lisle 20580 InLine Spark Tester is a professional-grade diagnostic tool designed to instantly visualize ignition sparks. Featuring a dual-ended wire with both straight and 90-degree boots plus a 7-inch extension for hard-to-reach coil-on-plug wires, it ensures versatile compatibility across all ignition systems. Built for durability with a replaceable bulb and backed by a limited lifetime warranty, this tester is a must-have for precise, long-term engine troubleshooting. ## Description Connect the tool between the spark plug and the plug wire. The short wire is double ended to offer a straight boot and a 90-degree boot on one tool. With the engine running, the tool flashes a mirror image of the ignition spark. The additional 7" extension plug wire is used on coil on plugs that are recessed and hard to reach. Review: Great quality. - Great product and much better than the orange product that is similar to this one that is sold on desertcart. Well worth the money. Great quality. Review: Testing spark plugs - Work as Design, thank you ## Features - Connect the tool between the spark plug and the plug wire - The short wire is double ended to offer a straight boot and a 90-degree boot on one tool. - With the engine running, the tool flashes a mirror image of the ignition spark. - Quickly diagnose problems with all ignition systems ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09NMHFGXD | | Best Sellers Rank | #2,689 in Automotive ( See Top 100 in Automotive ) #8 in Spark Plug & Ignition Tools | | Brand | Lisle | | Brand Name | Lisle | | Color | for all Ignition Systems | | Compatible Devices | Internal combustion engines with spark plugs and ignition systems | | Customer Reviews | 4.6 out of 5 stars 602 Reviews | | Global Trade Identification Number | 00083045205807 | | Included Components | tster and wires | | Item Dimensions | 7 x 14 x 2 inches | | Item Type Name | Tester | | Item dimensions L x W x H | 7 x 14 x 2 inches | | Manufacturer | Lisle | | Model | 20580 | | Part Number | 20580 | | Power Source | Hand Powered | | Style | InLine Spark Tester w/ Coil On Plug Wire | | Style Name | InLine Spark Tester w/ Coil On Plug Wire | | UPC | 083045205807 | | Unit Count | 1.0 Count | | Warranty Description | Limited Lifetime | ## Product Details - **Brand:** Lisle - **Color:** for all Ignition Systems - **Item dimensions L x W x H:** 7 x 14 x 2 inches - **Power Source:** Hand Powered - **Style:** InLine Spark Tester w/ Coil On Plug Wire ## Images ![Lisle 20580 InLine Spark Tester w/Coil On Plug Wire, One Size, Factory - Image 1](https://m.media-amazon.com/images/I/61EZ+kYrEcL.jpg) ![Lisle 20580 InLine Spark Tester w/Coil On Plug Wire, One Size, Factory - Image 2](https://m.media-amazon.com/images/I/819JyK96APL.jpg) ![Lisle 20580 InLine Spark Tester w/Coil On Plug Wire, One Size, Factory - Image 3](https://m.media-amazon.com/images/I/A1k9dyGQeeL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great quality. *by J***L on February 20, 2026* Great product and much better than the orange product that is similar to this one that is sold on Amazon. Well worth the money. Great quality. ### ⭐⭐⭐⭐⭐ Testing spark plugs *by E***A on April 8, 2026* Work as Design, thank you ### ⭐⭐⭐⭐⭐ Works well *by B***. on April 3, 2026* Worked terrific for a 2013 Chevy equinox, verified spark ## Frequently Bought Together - Lisle 20580 InLine Spark Tester w/Coil On Plug Wire, One Size, Factory - ANCEL SP02 Spark Plug Tester Automotive Engine Ignition Coil Tester Dual Holes 0 to 6000RPM Adjustable Working Frequency Car Spark Plug Gap Tool - Ignition Coil Tester, MST-101 Automotive Electronic Faults Detector,Car Spark Tester and Voltage Tester Pen with LED Display & Two Batteries --- ## 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.ie/products/421054865-lisle-20580-inline-spark-tester-w-coil-on-plug-wire](https://www.desertcart.ie/products/421054865-lisle-20580-inline-spark-tester-w-coil-on-plug-wire) --- *Product available on Desertcart Ireland* *Store origin: IE* *Last updated: 2026-05-23*