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Description
Mishimoto 2013+ Dodge Ram 6.7L Cummins Thermal Bypass Valve KitThe transmission is the backbone of your 2013 2018 Dodge Ram 6. 7L Cummins. It's responsible for transmitting up to 930 lb ft of torque from the engine to the wheels. That much power generates a lot of heat, and if that heat isn't dissipated, it can destroy your transmission. The transmission cooler does a good job of keeping trans fluid temperatures in check, but only if the fluid can reach it. The stock cooling system of both the 68 RFE and Aisin
The transmission is the backbone of your 2013-2018 Dodge Ram 6.7L Cummins. It's responsible for transmitting up to 930 lb-ft of torque from the engine to the wheels. That much power generates a lot of heat, and if that heat isn't dissipated, it can destroy your transmission. The transmission cooler does a good job of keeping trans fluid temperatures in check, but only if the fluid can reach it. The stock cooling system of both the 68-RFE and Aisin AS69RC utilizes an in-line thermal bypass valve that controls fluid flow to the transmission cooler. The purpose of this valve is to prevent transmission fluid from flowing to the cooler until it reaches operating temperature. The thermostat inside this valve is prone to failure, however, and when that happens, the fluid never flows to the cooler, and the transmission can overheat. That's why Mishimoto has developed a full flow thermal bypass valve upgrade for your 2013-2018 Dodge Ram 6.7L Cummins. Our CNC-machined aluminum thermal bypass valve not only looks better than the stock unit, but it performs better too. This Mishimoto thermal bypass valve eliminates the internal thermostat, providing full fluid flow to the transmission cooler in all running conditions. This setup is ideal for owners in warm climates, those performing heavy towing, and trucks needing the best possible cooling efficiency for their transmission. The Mishimoto full-flow thermal bypass valve features strategically machined internal passages, providing improved flow over the stock valve for more effective cooling. In addition, cooling fins machined into the valve body add even more heat dissipation. This 2013-2018 Dodge Ram 6.7L Cummins Thermal Bypass Full Flow Valve Kit is built to last a lifetime with a durable silver anodized finish and our Mishimoto Lifetime Warranty.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2018 | Ram | 2500 | Big Horn |
| 2013-2018 | Ram | 2500 | Laramie |
| 2014-2015 | Ram | 2500 | Laramie Limited |
| 2013-2018 | Ram | 2500 | Laramie Longhorn |
| 2016-2018 | Ram | 2500 | Limited |
| 2013-2015 | Ram | 2500 | Lone Star |
| 2013-2016 | Ram | 2500 | Outdoorsman |
| 2013-2018 | Ram | 2500 | Power Wagon |
| 2013-2018 | Ram | 2500 | SLT |
| 2013 | Ram | 2500 | ST |
| 2013-2018 | Ram | 2500 | Tradesman |
| 2013-2018 | Ram | 3500 | Big Horn |
| 2013-2018 | Ram | 3500 | Laramie |
| 2014-2015 | Ram | 3500 | Laramie Limited |
| 2013-2018 | Ram | 3500 | Laramie Longhorn |
| 2016-2018 | Ram | 3500 | Limited |
| 2013-2015,2017 | Ram | 3500 | Lone Star |
| 2013-2018 | Ram | 3500 | SLT |
| 2013 | Ram | 3500 | ST |
| 2013-2018 | Ram | 3500 | Tradesman |
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4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Best option for Sim Racing Ambient Lighting
Item Package Quantity: 2
I picked up these Light Bars from Govee specifically for my sim racing setup to be used for ambient lighting, and they’ve exceeded expectations.
The RGBIC technology is the standout feature. Being able to display multiple colors on each bar at the same time makes the lighting effects far more dynamic than standard RGB strips. During races, the lighting reacts smoothly to telemetry data—RPM, flags, rev limiter, and speed shifts all translate into immersive ambient effects that genuinely add to the experience.
Setup was straightforward, but the real highlight was the seamless SimHub integration. Configuration was quick, and the light bars responded immediately once connected. No complicated workarounds, no lag—just clean, real-time feedback. If you're already using SimHub for dashboards or bass shakers, these integrate perfectly into that ecosystem.
Brightness is more than enough for ambient lighting without being distracting, and the diffusion along the 31-inch bars keeps everything looking clean and professional—no visible LED hotspots. The WiFi connectivity has been stable, and the app gives you plenty of customization options outside of racing as well.
For anyone building a sim rig and wanting that extra layer of immersion, these are absolutely worth it.
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Reviewed in the United States on March 3, 2026
★★★★★ 4
GREAT way to view TV
On initial set up and use of just few days I love this little light bar
I'm 74 and I set this up in less than 10 min. Playing with Govee App took about same time for basic functions.
The backlighting is great and now my room is lighted during night when I sleepwalk to bathroom.
I'll decide later if I want to use adhesive pads. Currently it just sits on TV stand behind TV.
All in all it's great! I would definitely buy again and highly recommend.
Colors in photos are actually less bright in my room. The Govee App allows many many color variations. Just set up and create color palate for favorite colors and patterns. Eezee Peezee
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Reviewed in the United States on March 13, 2025
★★★★★ 5
Most Elegant Buy
Item Package Quantity: 2
Perfect, beautiful designs. Room submerges in colors. Easily installation, plug in and download app. Works perfectly -programs easy. Most compatible to the app.
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Reviewed in the United States on June 30, 2025
★★★★★ 5
Outstanding TV backlight edition
Item Package Quantity: 2, Item Package Quantity: 2
This is an excellent addition to a TV backlight. If you go into the GOVEE app you can sync this device to a TV backlight with a camera. You can add up to five lights.
I recommend this for either a TV backlight or general ambience in the room at night.
UPDATE 2025: I actually have 4 of these.
3 of them I synced with the TV strip light/camera using the GOVEE app for TV watching.
The 4th one I use is on ambience lamp.
These are made very durable/easy to set up. These things are not cheaply made
I highly recommend
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Reviewed in the United States on March 30, 2025
★★★★★ 5
Look nice and were an easy setup.
Item Package Quantity: 2
Simple and do what they are supposed to do. I use them to add a bit of flare to my desktop setup for online meetings, etc. If I had to nitpick, I'd say cabling is always interesting to route to reduce desk clutter, but I am not going to remove a star for what pretty much has to be. They look nice too.
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Reviewed in the United States on February 22, 2026