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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2,802 Verified Customer Reviews

2,802 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
2365
(84.4%)
4 Shopper Approved - Review Star
375
(13.4%)
3 Shopper Approved - Review Star
48
(1.7%)
2 Shopper Approved - Review Star
8
(0.3%)
1 Shopper Approved - Review Star
6
(0.2%)

Would Buy Again
4.9
5 Shopper Approved - Review Star
2453
4 Shopper Approved - Review Star
297
3 Shopper Approved - Review Star
42
2 Shopper Approved - Review Star
5
1 Shopper Approved - Review Star
6
Would Recommend
4.8
5 Shopper Approved - Review Star
2415
4 Shopper Approved - Review Star
329
3 Shopper Approved - Review Star
48
2 Shopper Approved - Review Star
4
1 Shopper Approved - Review Star
7
Product Satisfaction
4.8
5 Shopper Approved - Review Star
524
4 Shopper Approved - Review Star
74
3 Shopper Approved - Review Star
19
2 Shopper Approved - Review Star
3
1 Shopper Approved - Review Star
2
Delivery Time
4.8
5 Shopper Approved - Review Star
529
4 Shopper Approved - Review Star
69
3 Shopper Approved - Review Star
14
2 Shopper Approved - Review Star
2
1 Shopper Approved - Review Star
8
Customer Service
4.7
5 Shopper Approved - Review Star
18
4 Shopper Approved - Review Star
4
3 Shopper Approved - Review Star
1
2 Shopper Approved - Review Star
0
1 Shopper Approved - Review Star
0
Price Satisfaction
4.6
5 Shopper Approved - Review Star
460
4 Shopper Approved - Review Star
114
3 Shopper Approved - Review Star
43
2 Shopper Approved - Review Star
2
1 Shopper Approved - Review Star
3
SHOW DETAILS

5-star reviews
2,250+

5-star reviews

7 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.   

Filter
R
Shopper Approved - Verified Customer roy T.
03/12/2020

EASY and Good price.

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

G
Shopper Approved - Verified Customer Gary W.
03/12/2020

Yet to be installed.

Would Recommend
4/5
Would Buy Again
4/5
Product Satisfaction
4/5
Price
3/5
Delivery
4/5

N
Shopper Approved - Verified Customer niels N.
03/09/2020 , MD

well defined web site

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

S
Shopper Approved - Verified Customer Scott P.
03/09/2020 , CA

thanks.
zinc was too tight.

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

S
Shopper Approved - Verified Customer Sheb C.
03/09/2020

I never received a call back or email to confirm shipment. Unit did arrive in a timely manner.

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

J
Shopper Approved - Verified Customer john C.
03/09/2020

Nice website quick and easy and lots of information

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

R
Shopper Approved - Verified Customer Rafael R.
03/08/2020

Very good products.

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

M
Shopper Approved - Verified Customer Matt
03/06/2020 , MO

Was a great experience!! Thanks!!

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

A
Shopper Approved - Verified Customer ALLAN S.
03/06/2020 , MD

good. Now I'm hoping the product performs...

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
3/5
Delivery
5/5

B
Shopper Approved - Verified Customer Brett W.
03/02/2020

Good

Would Recommend
4/5
Would Buy Again
4/5

L
Shopper Approved - Verified Customer Luis V.
02/29/2020

Outstanding check out

Would Recommend
5/5
Would Buy Again
5/5

R
Shopper Approved - Verified Customer Robert S.
02/27/2020

Haven't installed yet but looks just righr

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

A
Shopper Approved - Verified Customer Anonymous Customer
02/26/2020

Runs hotter than stock

Would Recommend
5/5
Would Buy Again
5/5

R
Shopper Approved - Verified Customer Roger Y.
02/25/2020

Very Professional service

Would Recommend
5/5
Would Buy Again
5/5

M
Shopper Approved - Verified Customer Monte A.
02/24/2020

Happy to do business with you again. Thanks for having good products and good availability.

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

T
Shopper Approved - Verified Customer Troy M.
02/24/2020

product arrived on time and was exactly what i needed. I did think the shipping was on the high side for size of what i ordered. I will definitely order from them in the future when i need something.

Would Recommend
4/5
Would Buy Again
4/5
Product Satisfaction
4/5
Price
3/5
Delivery
4/5

B
Shopper Approved - Verified Customer Bill
02/24/2020

Everytime you try to update something your site adds ANOTHER item to the cart multiple times. We had to try and get items removed several time before we could place the order!!!!!!!!!

Would Recommend
4/5
Would Buy Again
4/5
Product Satisfaction
4/5
Price
4/5
Delivery
4/5

P
Shopper Approved - Verified Customer Phillip B.
02/24/2020

Found exactly what I needed.

Would Recommend
5/5
Would Buy Again
5/5

L
Shopper Approved - Verified Customer Leo L.
02/17/2020 , WA

very satisfied

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
3/5
Delivery
5/5

K
Shopper Approved - Verified Customer ken D.
02/16/2020

fast shipping

Would Recommend
5/5
Would Buy Again
5/5
Product Satisfaction
5/5
Price
5/5
Delivery
5/5

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