The ProMaxx CHR418N Replacement Cylinder Head is a direct-fit replacement for the damaged or cracked cylinder head in your 3.9L Cummins 4BT powered vehicle. This cylinder head is a new casting and comes ready to install with all new valves, valve seals, springs, retainers and locks. There is core no charge on this head and it includes a 1 year limited warranty for peace of mind.
- New Casting
- No Core Charge!
- Complete Cylinder Head
- Improved Casting In "Problem Areas"