12338771 Dual Coil 15G Glow Plugs for Hummer Humvee M998 6.5 6.2L 8X

Product Overview

This aftermarket replacement glow plug set includes 8 dual-coil 15G glow plugs with part number 12338771 for Hummer Humvee M998 applications and the listed 6.5 and 6.2L engine references. A glow plug heats the combustion chamber to support diesel engine starting, particularly during cold conditions.

Key Features & Performance

• Dual-coil 15G glow plug design as identified in the title
• Supports the normal preheating function used for diesel engine starting
• Set includes 8 glow plugs
• References part number 12338771 for comparison
• Intended for servicing the glow plug system on the listed applications

Fitment & Compatibility

• for Hummer Humvee M998 applications
• for the listed 6.5 and 6.2L engine applications

Common Uses

• Replacing worn, damaged, or malfunctioning glow plugs
• Routine service of a diesel engine preheating system
• Servicing the glow plug system when starting performance requires diagnosis

Technical Specifications

• Product Type: Dual-coil 15G glow plug
• Quantity: 8
• Part Number: 12338771
• Model Application(s): Hummer Humvee M998
• Engine Application(s): 6.5 and 6.2L

Frequently Asked Questions

Q: What does a glow plug do? A: A glow plug heats the combustion chamber to support diesel engine starting and fuel ignition during the preheating cycle.

Q: How should fitment be verified? A: Compare complete part number 12338771 and the complete Hummer Humvee M998 designation with the existing component and equipment records before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.