Spark Plug Port Adapter 14mm - Kent-Moore

The Kent-Moore J-22794 Spark Plug Port Adapter 14mm is a professional-grade tool engineered for accurate and repeatable engine diagnostics. Designed for demanding dealership, fleet, and independent shop environments, this adapter provides a secure, leak-tight interface between the cylinder head and your diagnostic equipment, ensuring reliable test results across a wide range of gasoline engines, particularly many GM models.

Key Features

• Precision 14mm Interface: This professional 14mm spark plug adapter threads directly into 14mm spark plug ports, safeguarding cylinder head threads while establishing a gas-tight seal for consistent diagnostic readings. It features a gasket seat for pressurizing cylinders with shop air and is suitable for use with tools like the J-26336 Valve Spring Compressor.
• Diagnostic-Grade Sealing: Engineered to maintain stable compression and pressure during testing, minimizing the need for retests caused by leaks or inconsistent connections.
• Robust Construction: Built from durable materials to withstand the rigors of daily professional use with various compression testers, leak-down testers, and other diagnostic tools. It also features a hex head for easy attachment to a ratchet or wrench.
• Broad Tool Compatibility: Integrates seamlessly with most standard compression gauges, cylinder leak-down tools, and borescopes that accept a threaded spark plug port adapter.
• OEM-Level Quality: As a Kent-Moore OEM-specialty tool, it is designed to meet dealership service procedures, providing trusted performance and reliability.

Applications

The J-22794 is an indispensable tool for technicians requiring a secure 14mm spark plug adapter for critical engine work, including:

• Compression Testing: Accurately evaluate cylinder sealing, piston ring condition, and valve performance.
• Cylinder Leak-Down Testing: Precisely pinpoint internal leaks through valves, piston rings, or head gaskets with reliable pressure retention.
• Borescope Inspections: Facilitate safe internal engine inspections directly through the spark plug port without risking damage to the cylinder head threads.
• General Engine Diagnostics: Provides a consistent and secure connection for troubleshooting on automotive, light truck, small industrial, and power equipment applications equipped with 14mm spark plugs.