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Description
Mishimoto 2019+ RAM 6.7L Cummins Thermal BypassThe transmission is the backbone of your RAM. It's responsible for transmitting large amounts of torque from your 6. 7L Cummins powerplant, and that torque generates heat. 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 utilize an in line thermal bypass
The transmission is the backbone of your RAM. It's responsible for transmitting large amounts of torque from your 6.7L Cummins powerplant, and that torque generates heat. 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 utilize an in-line thermal bypass valve that controls the flow of fluid 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 an improved thermal bypass valve kit for your 2019-2024 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. The Mishimoto thermal bypass valve utilizes a replaceable thermostat that is more durable than the stock thermostat and opens about 10 F earlier. This allows fluid to flow to the cooler sooner, without over-cooling. For owners in hot climates, the Mishimoto valve includes a bypass that allows full flow to the transmission cooler, regardless of temperature. The bypass can be easily swapped out with only a wrench for summer or winter driving. The Mishimoto thermal bypass valve flows better in both configurations than the stock valve for more effective cooling. Cooling fins machined into the valve body add even more heat dissipation. This 2019-2024 Dodge Ram 6.7L Cummins Thermal Bypass Valve Kit is built to last a lifetime with a durable black anodized finish and our Mishimoto Lifetime Guarantee.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2024 | Ram | 2500 | Big Horn |
| 2019-2024 | Ram | 2500 | Laramie |
| 2019-2021 | Ram | 2500 | Laramie Longhorn |
| 2019-2024 | Ram | 2500 | Limited |
| 2021-2024 | Ram | 2500 | Limited Longhorn |
| 2019-2024 | Ram | 2500 | Lone Star |
| 2023-2024 | Ram | 2500 | Rebel |
| 2024 | Ram | 2500 | Special Service |
| 2019-2024 | Ram | 2500 | Tradesman |
| 2019-2024 | Ram | 3500 | Big Horn |
| 2019-2024 | Ram | 3500 | Laramie |
| 2019-2020 | Ram | 3500 | Laramie Longhorn |
| 2019-2024 | Ram | 3500 | Limited |
| 2021-2024 | Ram | 3500 | Limited Longhorn |
| 2019-2022 | Ram | 3500 | Lone Star |
| 2019-2024 | Ram | 3500 | SLT |
| 2024 | Ram | 3500 | Special Service |
| 2019-2024 | Ram | 3500 | Tradesman |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
This product is the real deal.
Scent: Unscented - Jojoba Oil
OMG. This is the best skin care product I have ever used. I'm 61 years old and my skin was showing sun damage, dark circles, real wrinkles around my eyes, lips, and forehead. Basically, I was looking every bit of my 61 years.
About 30 days ago I started using this organic beef tallow with raw honey moisturizer in conjunction with a product to clear the pores on my nose. (That's a different review.) I will never go back to the 5, costly products I was using.
I was using a daytime moisturizer with SPF, a dark circle cream, a dark spot remover, a fine line product, and a night time resurfacing cream before trying this product.
That was a couple hundred dollars every 5 weeks or so.
Since starting this beef tallow and raw honey 30 days ago, my skin looks 10 times better. It's dewy but not greasy. My makeup looks good ALL day. My wrinkles are less noticeable and, I think, reduced in depth. My under eyes look so good. No more concealer under my foundation. In fact, I can go out and about with no makeup now!
This product glides on easily, no dragging or pulling. It never feels greasy. And it only takes about a marble sized amount for my full face, neck, and decolletage.
I use it morning and at night. So far, the little jar is still 3/4 full.
Amazing product. I will be buying more for sure.
Oh, one more thing. About 2.5 years ago, I had to have a mass removed from the left side of my neck. The scar was very noticeable. This cream is even improving that!
Try it. See if I'm wrong!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 5
You need this one!
Scent: Unscented - Jojoba Oil
I love this stuff! I use it on my entire body, especially my face. Long lasting moisture without feeling greasy. My skin feels so soft & looks great! I don’t wear make-up very often anymore.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Highly recommend
Scent: Unscented - Jojoba Oil
I was initially hesitant to try this out but it has been a great natural product. Moisturizes my face so well without feeling greasy. Face has a glow and more even toned with this. Highly recommend
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Great Skin Balm
Scent: Unscented - Upgraded
This balm is outstanding!, I put it on my hands at night and wake up with amazing soft hands, and does a great job on my face.
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Reviewed in the United States on May 26, 2026
★★★★★ 3
Triggers rocasea
Scent: Unscented - Jojoba Oil
It isn't as greasy feeling as I thought it might be, and it smells good and feels nice and creamy.
I have slight rocasea, and the product made my skin turn red and burn a little. I'm not sure whether I should continue using it. It might be great for people without rocasea.
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Reviewed in the United States on March 20, 2026