Mr. Cool is a manufacturer and distributor of over 15,000 OEM replacements for hundreds of Original Equipment Manufacturers.  Products include: 

  • Heat Exchangers
  • Oil Coolers
  • Aftercoolers
  • Truck radiators

We specialize in marine engine cooling and can assist with new designs, custom designs or redesigns of your current configuration.  If you have an old craft you want functioning like new or a recent build and a bit of bad luck, we can assist with it all.  Recently we’ve included Fresh Water Cooling kits amongst our offerings which allows us to cool a variety of small block engines that may not have come from the OEM that way. 

Well-known and respected for our customer service we have grown steadily over the last 20 years as a leader in the industry. We have proven to be your reliable source for engine cooling products including Barr Exhaust Systems as well. 

Major OEM products we replace include:

  • Mercruiser / Mercury®
  • Volvo®
  • Caterpillar®
  • Cummins®
  • Onan® Generators
  • Westerbeke® Generators and propulsion engines
  • Kohler®
  • SeaKeeper®

You can see if we have your part by searching our product database by clicking here.  If not, Contact Mr. Cool today to learn what we can do for you at 248-960-7850 OR  866-726-2665.   

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3,507 Verified Customer Reviews

3,507 Customer Ratings and Reviews

Shopper Approved collects trusted reviews from customers who have made a verified purchase.

4.8

Overall Star
Rating

5 Shopper Approved - Review Star
3001
(85.6%)
4 Shopper Approved - Review Star
425
(12.1%)
3 Shopper Approved - Review Star
61
(1.7%)
2 Shopper Approved - Review Star
12
(0.3%)
1 Shopper Approved - Review Star
8
(0.2%)


5-star reviews
3,000+

5-star reviews

9 years collecting reviews

About this Company

Mr. Cool is a manufacturer and distributor of over 15,000 OEM replacements for hundreds of Original Equipment Manufacturers.  Products include: 

  • Heat Exchangers
  • Oil Coolers
  • Aftercoolers
  • Truck radiators

We specialize in marine engine cooling and can assist with new designs, custom designs or redesigns of your current configuration.  If you have an old craft you want functioning like new or a recent build and a bit of bad luck, we can assist with it all.  Recently we’ve included Fresh Water Cooling kits amongst our offerings which allows us to cool a variety of small block engines that may not have come from the OEM that way. 

Well-known and respected for our customer service we have grown steadily over the last 20 years as a leader in the industry. We have proven to be your reliable source for engine cooling products including Barr Exhaust Systems as well. 

Major OEM products we replace include:

  • Mercruiser / Mercury®
  • Volvo®
  • Caterpillar®
  • Cummins®
  • Onan® Generators
  • Westerbeke® Generators and propulsion engines
  • Kohler®
  • SeaKeeper®

You can see if we have your part by searching our product database by clicking here.  If not, Contact Mr. Cool today to learn what we can do for you at 248-960-7850 OR  866-726-2665.   

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A
Shopper Approved - Verified Customer Anonymous Customer
04/15/2018

Please make sure the part i ordered is mercruiser blue


M
Shopper Approved - Verified Customer michael P.
04/13/2018 , FL

has 2 zincs.thats better than the original


B
Shopper Approved - Verified Customer brian J.
04/12/2018

no free shipping wyf i’ll buy rest of stuff off amazon from now on


R
Shopper Approved - Verified Customer richard
04/11/2018

Quick and Easy with pictures that give measurements and great descriptions.


F
Shopper Approved - Verified Customer FRED R.
04/10/2018

On your web site it says to mention the paint color but there is no place to tell you. the paint color is the OEM color for the yanmars 315. please confirm


A
Shopper Approved - Verified Customer Anonymous Customer
04/10/2018

Excellent company! I highly recommend it.


E
Shopper Approved - Verified Customer Ed S.
04/09/2018

End cap needs to be black


G
Shopper Approved - Verified Customer Gilbert B.
04/09/2018

Very easy and a fair price


G
Shopper Approved - Verified Customer Gary J.
04/07/2018

Great pricing...... Easy ordering!


E
Shopper Approved - Verified Customer Erdwin P.
04/07/2018

this is the more cheap exhaust I found for my 6.2 diesel marine thanks.


M
Shopper Approved - Verified Customer mike
04/05/2018

shipping is too high next time will try to find less shipping cost


M
Shopper Approved - Verified Customer Mike
04/01/2018 , WA

Best price I could find.


N
Shopper Approved - Verified Customer Neil D.
03/27/2018

Good customer service.


P
Shopper Approved - Verified Customer Pedro C.
03/26/2018 , PR

I had a problem. The coolers are not a direct replacement. The oil connections are not OEM size an adapter is needed.


R
Shopper Approved - Verified Customer Roger E.
03/26/2018 , MD

Excellent service.


L
Shopper Approved - Verified Customer LUIS F.
03/24/2018

VERY NICE WEB SITE


D
Shopper Approved - Verified Customer David L.
03/23/2018 , OK

Good


D
Shopper Approved - Verified Customer dave S.
03/23/2018

easy to browse site quick response and delivery


N
Shopper Approved - Verified Customer Nicholas R.
03/22/2018 , MA

Thanks, always have the products I need for my fairly ancient marine exhaust setup.


C
Shopper Approved - Verified Customer Christian D.
03/22/2018

very fast answer to my question


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