2016-2026 Duramax Glow Plug Reaming Tool (DMAX-GPRT)

Essential tool designed to clean carbon and soot buildup from glow plug bores before installation. Prevents damage to glow plug tips and costly premature failures by ensuring a clean, secure fit every time.

Part Number: DMAX-GPRT

Replaces Part#:

• GM-52074
• Kent-Moore EN-52074
• OTC-7223

• Removes stubborn carbon deposits quickly and effectively
• Precision design with flutes to capture debris using grease
• Hex fitting for ratchet operation
• Prevents side loading and premature glow plug failure
• Patent pending design
• Replaces GM-52074, Kent-Moore EN-52074, and OTC-7223

Fill flutes with small amount of grease (don't overdo it), pilot tool into glow plug bore, use ratchet on hex fitting to remove carbon buildup.

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