Replacement Aftercooler Housing for the 5.9L B Series engines.

Direct drop in replacement for part 4933308.

What do you get? 

• Mr Cool states:  
  • We have spent quite a bit of time perfecting the configuration. The housing you receive will mimic the fit and function of the unit that is currently installed.
  • This unit will mount in the exact same location using the same threaded ports as your original. This unit WILL NOT come with replacement mounting hardware. However, you will be able to reuse your current hardware without issue.
  • Using lubricant makes it easier to install the part and then remove it when doing your regular maintenance. 
  • Smaller which matches the OEM offering plus a larger cross section which may compensate for a worn housing as your system ages.
  • Includes: Check Valve, ¼” Drain Plug,  ½” Drain Plug, and Flange Bolts.
  • Using lubricant makes it easier to install the part and then remove it when doing your regular maintenance. 
• Aftercooler Housing
• A tube of lubricant and a brush for application.  
• Two sets of 0-rings (in different diameters).
• Hardware
• A tube of lubricant and a brush for application.  

 Some details to note:   

• This assembly will come with the following components:
• Housing
• O-Rings
• Lube Kit
• Check Valve
• ¼” Drain Plug & ½” Drain Plug
• Flange Bolts

All assembly numbers for reference:

• The entire assembly part number list is below for reference
  • 5566841
  • 5267875
  • 4302547
  • 3979771
  • 4933308
  • 4933309
  • 4933306
  • 3977267
• • 3979772
  • 3919906 (90 Degree Hose Connection)
  • 3866481 (90 Degree Hose Connection)
  • Complete Assembly
  • Housing
  • Core
  • End Cap
  • Core Stabilizers
  • O-Rings
  • ¼” Drain Plug
  • ½” Drain Plug
  • Zinc Anodes
  • Flange Bolts
  • Lube Kit

This is a Mr Cool (USA) marine part.