Glow Plug Harness Relay for GMC Sierra 2500 HD/3500 (2001–2004) ALX-PAU-RB-904-100-CLA4

Includes: - Glow Plug Harness Relay

Fits Models: - GMC Sierra 2500 HD - GMC Sierra 3500

Model Years: - 2001–2004

Submodels: - Common trims include SL, SLE, SLT, Denali - Chassis codes: GMT800 - Body styles: Crew Cab, Extended Cab, Regular Cab

Engine Options: - 6.6L Duramax Diesel (LB7, LLY) - 6.0L V8 (LQ4)

Description: This Glow Plug Harness Relay is designed for GMC Sierra 2500 HD and 3500 models from 2001 to 2004. It ensures proper operation of the glow plugs, which are essential for starting the diesel engine in cold conditions. This relay is a direct replacement part, providing reliable performance and durability.

Features: - Direct fit for specified GMC models - Ensures optimal glow plug function - High-quality construction for longevity - Easy installation with no modifications required

Part Numbers: - ALX-PAU-RB-904-100-CLA4