2000-2025 Duramax 6.6L Aluminum Coolant Firewall Fitting Parts 1994-1999 Dodge 2500/3500 Perfect for any truck with

Perfect for any truck with HP levels above stock (towing

Emissions Level 1 Level 2 Level 3 Level 4 Level 5 On 0HP 25HP 60HP 95HP N/A Off 0HP

1 inch rear lift

allowing it to handle the much higher torque loads expected from a diesel engine

other options from brands like Alpharex came out that offered a little more light

2000-2025 Duramax 6.6L Aluminum Coolant Firewall Fitting Parts 1994-1999 Dodge 2500/3500 Perfect for any truck with2000 2025 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 2025 6. 6L Duramax