COOLER UPGRADE KITS
Increase your motors’ life span with our GDP Cooler Upgrade Kits. Not only will your truck run more efficient, but under the hood will look cleaner too.
The 13-19 Cummins 6.7L has a weak spot with it’s cheap factory coolant y-pipe known for cracking or breaking. Put that fear to rest with GDP’s full billet Coolant Y-Pipe.