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🔧 fpe-clntbyps-cummins-6.7 coolant bypass kit for 2007.5-2018 dodge ram 6.7 cummins diesel by fleece performance engineering logo

🔧 FPE-CLNTBYPS-CUMMINS-6.7 Coolant Bypass Kit for 2007.5-2018 Dodge Ram 6.7 Cummins Diesel by Fleece Performance Engineering Review

4

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
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Description of 🔧 FPE-CLNTBYPS-CUMMINS-6.7 Coolant Bypass Kit for 2007.5-2018 Dodge Ram 6.7 Cummins Diesel by Fleece Performance Engineering

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Reviews

Global ratings 4
  • 5
    4
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    0

Type of review

Revainrating 5 out of 5

As advertised in coolant

Fast delivery. Time consuming but overall easy installation. Works and works as advertised. I personally recommend installing a 180° motor thermostat to interface with a 180° thermostat in the bypass.

Pros
  • Decent performance
Cons
  • Long delivery time

Revainrating 5 out of 5

Very Good System - Filter

This is a great airbag for Cummins. A bit of tuff at the back of the head, but doable. (It takes time and don't get mad!) The problem I had was the block under the case didn't work for me so I had to cut the radiator hose off and use a Y-pipe to reconnect the hose to the cooling system . Oh it comes with a 180 degree thermostat and Cummins doesn't have one so I went with 180 for the motor. It worked great!

Pros
  • Slim Design
Cons
  • Wrinkled

Revainrating 5 out of 5

GOOD LUCK WITHOUT FULL REMOVAL

4 HOURS TO REMOVE THE FREEZE PLUG ON MY 6.7 CUMMINGS, YOU CAN ONLY SEE 1/4 OF THIS OVER THE DISTRIBUTION BOX ON THE SIDE. 20 MIN INSTALLATION AFTER THIS. NOW IT IS DONE. I AM IMPRESSED AND VERY SATISFIED WITH THE RESULTS. I CAN SEE THE BYPASS VERY HOT WATER RETURNING AS MY TEMPERATURE RISES UP A SMALL HILL AND RETURNS BELOW THE TEMP TRANSMITTING DEVICE. I SEE IT WORKS AND I AM HAPPY I MADE IT. IF YOU CAN'T MAKE IT YOURSELF, DO IT!

Pros
  • Delivery was very quick
Cons
  • I don't remember

Revainrating 5 out of 5

Fitted with gearbox built in

Cools my truck an average of 10-15 degrees. Very nicely finished product! Installing the thermostat housing was easy, but the back was not. Although it would have been easier with the trans removed, I was able to install with the trans installed. My 2015 had a bracket between the gearbox and the block that I had to remove, which the instructions didn't mention. I did the removal kit and the new exhaust manifold at the same time, which made access a little easier. Either way, it's worth it.

Pros
  • Nice packaging
Cons
  • Doesn't all fit