Quantity In Stock: 5+
Thermostat Housing to Heater Core Coolant Adapter
- Design allows for clocking of hose barb outlet
- Plug included if heater core is being removed
- 3/8" NPT can easily be adapted to an AN fitting
Includes:
- Billet Aluminum Coolant Port Adapter
- Hose Barb 90° Adapter
- Plug
- O-ring
- Flange Bolt
Fits: 2005-2007 6.6l Duramax LLY or LBZ engines.