2000-2023 Duramax 6.6L Aluminum Coolant Firewall Fitting

2000-2023 Duramax 6.6L Aluminum Coolant Firewall Fitting

Designed to replace the factory heater core fitting that is known to be brittle, crack and leak.

Features

• 6061 T6 Billet Aluminum
• Anodized Black

Fitment

• 2000-2023 6.6L Duramax