Heater Core for GMC Sierra 2500 HD (2003–2006) CLX-M0-USA-RC50300006-CL360A77

Includes: - Heater Core

Fits Models: - GMC Sierra 2500 HD

Model Years: - 2003–2006

Submodels: - Common trims include SL, SLE, SLT; body style is Crew Cab, Extended Cab, Regular Cab; chassis code is GMT800.

Engine Options: - Common engine sizes include 6.0L V8 (LQ4), 8.1L V8 (L18), 5.3L V8 (LM7); engine codes may include LQ4, L18, LM7.

Description: This heater core is designed specifically for the GMC Sierra 2500 HD from 2003 to 2006. It plays a crucial role in the vehicle's heating system, ensuring that the cabin remains warm during colder months.

Features: - Direct fit replacement for easy installation - High-quality construction for durability - Efficient heat transfer for optimal cabin comfort - Compatible with various engine options - Designed to meet or exceed OEM specifications

Part Numbers: - CLX-M0-USA-RC50300006-CL360A77