Fits: 2001 thru 2014 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Duramax Diesel

Does it smell like coolant inside the cab occasionally? Is there a leak on your floorboard? Some of the heater cores are almost 20 years old and possibly leaking. With how much labor is involved to replace the heater core, don't take your chances with a cheap aftermarket part. Make sure to replace the leaking unit with this high quality OEM GM replacement. 

Replaces Part#:

• GM 89018297