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

Product Overview

This aftermarket replacement glow plug control module is intended for the listed 2004-05 Chevrolet and GMC 2500HD and 3500HD applications with the Duramax 6.6 LLY engine. A glow plug control module manages the electrical supply to the glow plugs in a diesel engine, controlling when and how long they receive current during cold starting and warm-up. It is an aftermarket replacement part rather than a genuine or original equipment component.

Key Features & Performance

• Controls the timing and duration of current supplied to the diesel engine glow plugs
• Supports the cold start and warm-up sequence on the listed Duramax 6.6 LLY applications
• Supplied for servicing or replacing the corresponding glow plug control module on the listed Chevrolet and GMC 2500HD and 3500HD models
• Intended for the 2004-05 model years named in the title

Fitment & Compatibility

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

Common Uses

• Replacing a failed or malfunctioning glow plug control module
• Servicing the glow plug circuit on the listed Duramax 6.6 LLY applications
• Restoring normal glow plug operation after the original module has failed

Technical Specifications

• Product Type: Glow plug control module
• Engine Application(s): Duramax 6.6 LLY
• Vehicle Application(s): 2004-05 Chevrolet 2500HD and 3500HD; 2004-05 GMC 2500HD and 3500HD

Frequently Asked Questions

Q: What does a glow plug control module do? A: It manages the electrical current sent to the glow plugs in a diesel engine, controlling when and for how long they are energized to assist cold starting and warm-up.

Q: How do I verify fitment? A: Compare the complete existing part number on the original module with the number listed for this part, and confirm the vehicle is a 2004-05 Chevrolet or GMC 2500HD or 3500HD with the Duramax 6.6 LLY engine.

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.