Dorman In-Line Spark Plug and Wire Check Tester

The Dorman 86579 In-Line Spark Plug and Wire Check Tester is an essential tool for automotive diagnostics. Designed for ease of use, this tester allows mechanics and DIY enthusiasts to quickly check the spark plug and wire functionality. With a corded electric power source, it features a durable in-line design that ensures reliable performance. The tester is lightweight at 73 grams, making it easy to handle during inspections. Dorman is known for its quality auto parts, and this product reflects their commitment to excellence in the automotive aftermarket. • In-line design for easy spark plug testing • Corded electric power source for reliable performance • Lightweight at 73 grams for easy handling • Trusted brand with over three decades of automotive expertise • Ideal for both professional mechanics and DIY enthusiasts