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Part #: PXCHR620N

ProMaxx CHR620N Replacement Cylinder Head

1998.5-2002 Dodge 5.9L Cummins (#627)
Part #: PXCHR620N
  2 Reviews
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  2 Reviews


The ProMaxx CHR620N Replacement Cylinder Head is a direct replacement for your 1998.5-2002 Dodge 5.9L Cummins casting #627. ProMaxx Performance Cylinder Heads are designed as replacement cylinder heads with thicker castings in crack prone areas. Sold as a complete cylinder head with valves, valve seals, springs, retainers and locks, these new castings are sold without a core charge and come ready to install. 


  • Fits Casting #627 
  • New Casting 
  • Improved Casting In "Problem Areas" 
  • No Core Charge! 
  Truck Freight Item: Allow 1-2 weeks for delivery. Truck freight charges apply. 

Shipping Note:
This product ships truck freight. To avoid any issues, you must pre-select the shipping option of commercial, or residential, as well as the lift gate and non lift gate option. If you do not have a forklift, you will need a lift gate.


  • MFG. NumberCHR620N
  • Manufacturer NameProMaxx Performance
  • Shipping Weight250.00 lb.
  • Shipping Length0 in.
  • Shipping Width0 in.
  • Shipping Height0 in.


Location: New Braunfels Tx.
Had to do the valve seals within 25 miles of install. Not very happy with this head.
Location: Michigan
Received cylinder head still had mill turnings in it.intake cup had steps in them from bad mold had to have them all ground out.

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Questions and Answers

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Most Popular Questions

Does this head come with aftermarket valves and springs or are they stock replacements?
View Staff Answer 

The valves and springs are stock replacements.

Is this head a direct replacement or will I need any custom parts to do the job? My 1999 dodge 24v truck is leaking anti-freeze, but not to the outside of the engine, or into the oil. The only other place I could figure was into the exhaust. A mechanic told me that they are prone to cracking around the valves and doing that.
View Staff Answer 
This is a direct replacement complete cylinder head with valves, valve seals, springs, retainers and locks.Comes ready to install!