SKU: 14374226331

Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler

$143.95 $159.95
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  • USA
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

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Description

Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission CoolerThe factory transmission oil cooler on your 2003 2007 Dodge Ram 5. 9L Cummins is a liquid to liquid cooling unit, utilizing the engine's cooling system to cool the transmission fluid during warm outside temperatures and warm the fluid during cold outside temperatures. This design is tried and true, and it works. Until it doesn't. When they wear out and fail, it can leak coolant into your transmission fluid. Mixing coolant into your transmission fluid

The factory transmission oil cooler on your 2003-2007 Dodge Ram 5.9L Cummins is a liquid-to-liquid cooling unit, utilizing the engine's cooling system to cool the transmission fluid during warm outside temperatures and warm the fluid during cold outside temperatures. This design is tried and true, and it works. Until it doesn't. When they wear out and fail, it can leak coolant into your transmission fluid. Mixing coolant into your transmission fluid can have catastrophic results, and nobody wants to spend thousands of dollars to rebuild or replace their transmission if it can be avoided. The Mishimoto Replacement Transmission Oil Cooler is a direct fit, OEM replacement that requires no modification to install. Made to OEM specifications, this transmission oil cooler is equivalent to an OEM part. By replacing your transmission cooler preventatively, you can save your transmission from falling victim to premature failure. As with all of our products, this cooler is backed by our signature Mishimoto Lifetime Warranty.

Installation Instructions

This Part Fits:

Year Make Model Submodel
2003 Dodge Ram 1500 Laramie
2003 Dodge Ram 1500 SLT
2003 Dodge Ram 1500 ST
2003,2005-2007 Dodge Ram 2500 Laramie
2003-2007 Dodge Ram 2500 SLT
2006-2007 Dodge Ram 2500 Sport
2003-2007 Dodge Ram 2500 ST
2006-2007 Dodge Ram 2500 TRX4
2003-2007 Dodge Ram 3500 Laramie
2003-2007 Dodge Ram 3500 SLT
2006-2007 Dodge Ram 3500 Sport
2003-2007 Dodge Ram 3500 ST
2007 Dodge Ram 3500 TRX4
Shipping Notes
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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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SKU: 14374226331

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4.3 ★★★★★
Based on 15 reviews
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A
Verified Purchase
Aiylah
Grantham, US
★★★★★ 5
Beautiful and Comfortable Bedding Set
Size: Queen, Color: Beige
I really love this comforter set. The material feels soft and comfortable, and it made my bed look elegant and cozy. The color is beautiful and the pieces fit perfectly on my queen bed. It was easy to set up and it instantly made my room look more organized and stylish. For the price, I think it’s a great value because you get several pieces in one set. I’m very happy with my purchase and would definitely recommend it to anyone who wants their bedroom to look nice and comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
K
Verified Purchase
Katiuska
Pawtucket, US
★★★★★ 5
La calidad
Size: Queen, Color: Beige
I bought this blanket set and it honestly exceeded all my expectations. It is beautiful, with an elegant design that gives a special touch to the room. But it is not only beautiful, it is also incredibly soft and comfortable, perfect for resting after a long day. The quality is felt from the first moment, and it shelters just enough to feel welcomed without being heavy. Since I have it, sleeping feels much more pleasant. Without a doubt, I recommend it with my eyes closed. It's a purchase that is totally worth it 💖✨
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
T
Verified Purchase
T. P.
New York, US
★★★★★ 4
So cute! Not sure if it will hold up though
Size: Queen, Color: Baby Pink, Size: Queen, Color: Baby Pink
This comforter set is so cute! I love how vibrant the pink is. It is also super duper soft. The quality is okay though. There's a lot of random threads coming out, so I honestly don't know how long it will hold up after multiple washes. There's no weight to it either. It's just soft and fluffy which I love. The size is true to size too. It's a real queen size. I love the fact that the fancy pillowcase has pockets. I absolutely adore this style because it keeps your pillow inside at all times. The regular pillowcase is just the normal. No pockets or anything like that. You can see how vibrant this comforter set by comparing it to my weighted blanket that I have underneath it. It's a super vibrant pastel pink, and I love it! I've also been sleeping like a baby ever since I used this set. The comforter set is really so fluffy and soft that it feels like a marshmallow. Since I also pair it with my weighted blanket, it's seriously a dream come true. Overall, I'd recommend this. I just don't know how long it will last after multiple washes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026
R
Verified Purchase
Rachel
Lexington, US
★★★★★ 5
Nice bedding set for price
Size: Queen, Color: Olive Green
I bought a set of these for my bedroom and guest room. They are true to color, relatively soft, fit perfect, and the comforter is pretty fluffy. The sheets didn't wrinkle and they are easy to wash and dry without doing anything special. My dog stained my guest room set and I absolutely will be ordering another one
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Reviewed in the United States on May 31, 2026
C
Verified Purchase
Clara
Pawtucket, US
★★★★★ 5
Great set for the price!
Size: Queen, Color: Beige
I’ve had the set for several months now and I really like this set. I was nervous about the comforter being thin and cheap, however, after washing and drying it is a really good comforter for the price. The sheets and pillow cases are also very smooth, no pilling or ripping, stitches are still intact, so I think it is set is great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026

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