Glow Plug Control Module for 2004-05 Chevrolet GMC 2500HD 3500HD Duramax 6.6 LLY

Product Overview

This aftermarket replacement glow plug control module is intended for the 2004-05 Chevrolet and GMC 2500HD and 3500HD applications with the Duramax 6.6 LLY engine. A glow plug control module regulates the electrical current supplied to the glow plugs so the engine combustion chambers can be warmed during cold starting.

Key Features & Performance

• Controls the electrical supply to the glow plugs in a diesel engine glow plug system.
• Supports the normal cold-start heating function of the diesel engine when the existing module is replaced.
• Intended for 2004-05 Chevrolet and GMC 2500HD and 3500HD applications with the Duramax 6.6 LLY engine.
• Used when servicing or replacing the corresponding glow plug control module on the listed applications.

Fitment & Compatibility

• for 2004-05 Chevrolet 2500HD Duramax 6.6 LLY applications
• for 2004-05 Chevrolet 3500HD Duramax 6.6 LLY applications
• for 2004-05 GMC 2500HD Duramax 6.6 LLY applications
• for 2004-05 GMC 3500HD Duramax 6.6 LLY applications

Common Uses

• Replacing a glow plug control module that is damaged or no longer functioning correctly.
• Servicing the glow plug system during maintenance of the diesel engine.
• Restoring the normal glow plug system function after the original module has failed.

Technical Specifications

• Product Type: Glow Plug Control Module
• Vehicle Application(s): 2004-05 Chevrolet 2500HD, 2004-05 Chevrolet 3500HD, 2004-05 GMC 2500HD, 2004-05 GMC 3500HD
• Engine Application(s): Duramax 6.6 LLY

Frequently Asked Questions

Q: What does a glow plug control module do? A: A glow plug control module manages the electrical current sent to the glow plugs so the combustion chambers can be warmed for cold starting.

Q: How should fitment be verified? A: Confirm the existing module part number and the complete vehicle and engine designation, including Duramax 6.6 LLY, against the application before ordering.

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.