General Motors GM-47603 Compression Gauge Adapter

Kent-Moore Tool Number: EN-47603

The GM-47603 tool is essential for glow plug replacement due to the updated design. The new glow plug threads are positioned differently in the cylinder head and feature a different thread size compared to previous engine models.

The GM-47603 is installed in place of the glow plug and is used in conjunction with the GM-26999-12 Compression Gauge to assess the engine’s mechanical condition.

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