Heater Core for GMC Sierra 1500 (1999–2013) 99354MBXQ

Includes: - Heater Core

Fits Models: - GMC Sierra 1500

Model Years: - 1999–2013

Submodels: - Common trims include SL, SLE, SLT, Denali; body styles include Regular Cab, Extended Cab, Crew Cab; chassis codes include GMT800, GMT900.

Engine Options: - Common engine sizes include 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.2L V8; engine codes may include L33, L59, LY6, L76, L92.

Description: This heater core is designed for the GMC Sierra 1500 from 1999 to 2013, ensuring efficient heating performance for your vehicle's cabin. It is a direct replacement part that fits seamlessly into the existing system, providing reliable operation and comfort during colder months.

Features: - Direct fit replacement for easy installation - High-quality construction for durability - Ensures optimal heating performance - Compatible with various engine options - Designed to meet or exceed OEM specifications

Part Numbers: - 99354MBXQ