--- product_id: 101150158 title: "haia7k4k Car Spark Plug Tester, Adjustable Double Holes Ignition Testers Circuit Testing Analyzer" brand: "haia7k4k" price: "€ 55.62" currency: EUR in_stock: false url: https://www.desertcart.gr/products/101150158-haia7k4k-car-spark-plug-tester-adjustable-double-holes-ignition-testers store_origin: GR region: Greece --- # haia7k4k Car Spark Plug Tester, Adjustable Double Holes Ignition Testers Circuit Testing Analyzer **Brand:** haia7k4k **Price:** € 55.62 **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** haia7k4k Car Spark Plug Tester, Adjustable Double Holes Ignition Testers Circuit Testing Analyzer by haia7k4k - **How much does it cost?** € 55.62 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/101150158-haia7k4k-car-spark-plug-tester-adjustable-double-holes-ignition-testers) ## Best For - haia7k4k enthusiasts ## Why This Product - Trusted haia7k4k brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Features: Dual Hole Car Spark Plug Tester has two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment. Car Spark Plug Tester Detector with Dual Hole Advantage: Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment. Usage: Test spark plug performance and ignition strength. Application Range: 12V Gasoline vehicles car spark plugs. Car Spark Plug Test principle: In automobile ignition system, the high-voltage ignition coil generates a high-voltage (10000 volts or more), and the spark plug diverts it form high -tension ignition coil into the cylinder engine, spark between the spark plug electrodes will ignite the mixture. The Detector could tell the good spark plugs from the bad by the strength of the spark. Car Spark Plug Tester Using Note: 1. Please Turn Off Power before you place spark plug. 2. The Spark Plug Tester is a high-voltage detector, so do not touch spark plug with hand at work to avoid danger. Car Spark Plug Tester User Manual: 1.Place the Spark Plug into tester hole 1 or 2; If you want to compare the new spark plug and old one, place new spark plug into hole 1 and the old on into hole 2. 2.Connect to power supply. 3.Turn the key switch 4 clockwise to turn on tester, indicator 3 will light up, tester is now working at 1000rpm/min. 4.Again turn the key switch 4 clockwise,you can adjust the working frequency between 1000rpm to 5000rpm/min. The higher the frequency, the stronger the spark strength. Product Parameters: Power Adapter: Input 100-240V AC / Output 12V 1A DC Package includes: 1 x Spark Plug Tester 1 x Power Adapter ## Features - Dual Hole Car Spark Plug Tester has two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment. - Car Spark Plug Tester Detector with Dual Hole Advantage: Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment. - Usage: Test spark plug performance and ignition strength. - Application Range: 12V Gasoline vehicles car spark plugs. - Power Adapter: Input 100-240V AC / Output 12V 1A DC - ›See more product details ## Images ![haia7k4k Car Spark Plug Tester, Adjustable Double Holes Ignition Testers Circuit Testing Analyzer - Image 1](https://images-na.ssl-images-amazon.com/images/I/517UPLGROxL.jpg) ![haia7k4k Car Spark Plug Tester, Adjustable Double Holes Ignition Testers Circuit Testing Analyzer - Image 2](https://images-na.ssl-images-amazon.com/images/I/512aw3Ne9qL.jpg) ![haia7k4k Car Spark Plug Tester, Adjustable Double Holes Ignition Testers Circuit Testing Analyzer - Image 3](https://images-na.ssl-images-amazon.com/images/I/51zCgGnUXRL.jpg) ![haia7k4k Car Spark Plug Tester, Adjustable Double Holes Ignition Testers Circuit Testing Analyzer - Image 4](https://images-na.ssl-images-amazon.com/images/I/51u%2B7pEysWL.jpg) ![haia7k4k Car Spark Plug Tester, Adjustable Double Holes Ignition Testers Circuit Testing Analyzer - Image 5](https://images-na.ssl-images-amazon.com/images/I/51GFbkPOcjL.jpg) --- ## 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.gr/products/101150158-haia7k4k-car-spark-plug-tester-adjustable-double-holes-ignition-testers](https://www.desertcart.gr/products/101150158-haia7k4k-car-spark-plug-tester-adjustable-double-holes-ignition-testers) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-07*