Sierra 118-99562 Spark Tester Sealed Threaded Ignition Diagnostic Tool

The Sierra 118-99562 is a sealed, threaded spark tester designed for diagnosing ignition system performance on marine engines and powersports equipment. This inline spark tester allows technicians and DIYers to quickly verify spark presence and intensity without removing spark plugs from the engine.

Key Features:

• Sealed construction for reliable use in marine and wet environments
• Threaded design installs securely inline between the spark plug boot and spark plug
• Provides a clear visual indication of spark presence and strength
• Compatible with a wide range of marine engines and powersports applications
• Durable build quality consistent with Sierra's marine-grade standards
• Simple, tool-free installation for fast ignition diagnostics

The Sierra 118-99562 spark tester is an essential addition to any marine or powersports toolbox, making ignition troubleshooting fast, safe, and straightforward. Sierra is a trusted brand in marine replacement parts and accessories, known for products that meet or exceed OEM specifications.