Lisle 20610 - Inline Spark Tester
Lisle Corporation

Lisle 20610 - Inline Spark Tester

Key item features



Key Features:
  • Gives A Visual Check Of The Ignition System.Quickly Diagnose Problems With All Ignition Systems 
  • Connect The Tool Between The Spark Plug And The Plug Wire 
  • The Tool Is Double-Ended To Offer A Straight Boot And A 90Boot On One Tool 
  • With The Engine Running, The Tool Flashes A Mirror Image Of Ignition Spark.
Current price is $16.08
Price when purchased online
  • Free shipping
  • Free 30-day returns

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Ships to
Arrives by Fri, May 22
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Sold and shipped by JBTools
4.421720733427362 stars out of 5, based on 2127 seller reviews(4.4)
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Free 30-day returns
Other sellers
$21.94
+Free shipping
Shipping, arrives by Wed, May 20 to Columbus, 43215
Sold and shipped by Northern Tool + EquipmentPro Seller
Free 30-day returns

About this item

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Customer ratings & reviews

4.8 out of 5 stars
stars12 ratings10 reviews
How item rating is calculated
  1. 5 stars83% (10)
  2. 4 stars17% (2)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 10 reviews

Sep 24, 2025
Walmart customer
5 out of 5 stars review

Seller Verified Purchase

Great diagnostic tool at a good price.

This tester does just what it is supposed to, no misfiring, no computer damage, no getting shocked. It just shows you what is getting spark and what is not.

Review from northerntool.com
Helpful?13RB8DWCXLO119260971
Dec 7, 2024
Bruiser01
5 out of 5 stars review

Seller Verified Purchase

Simply effective

This spark tester is easy to use, inexpensive to purchase and gives immediate and accurate results. Get one.

Review from northerntool.com
Helpful?13RB8DWCXLO119260971
Nov 14, 2024
Shane
5 out of 5 stars review

Verified Purchase

Works great

I bought this to help diagnose issues with a lawn mower. It works great.

Incentivized Review
Helpful?13RB8DWCXLO119260971