★★★★★ 5
Frenchie approved
Color: A.Orange+Blue+Green
Frenchie approved
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Reviewed in the United States on May 6, 2026
Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve KitSKU: MMTC L5P TBVFF UPC: 840197710609 Mishimoto 2017+ GMC 6. 6L Duramax L5P Transmission Thermal Bypass Valve Kit Upgrade your 2017 2021 Chevrolet Silverado 2500 HD 3500 HD and GMC Sierra 2500 HD 3500 HD with L5P 6. 6L Duramax using the Mishimoto full flow thermal bypass valve kit. This direct fit replacement eliminates the stock thermostat that fails and blocks fluid flow to the cooler causing overheating. Experience constant transmission cooling for
Quick Dispatch:
Your Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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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4.3 ★★★★★
Based on 1212 reviews
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Product Reviews
★★★★★ 5
Soft and light
Color: A.Orange+Blue+Green
My doxie loves them
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Deep and long-lasting hydration
I really love this cream. It leaves my skin soft and hydrated all day, especially if you have dry skin. The texture is rich but absorbs well without feeling greasy.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Great product and I will buy again
Use this product and your skin will be soft. My feet are alligator tough and this helps them immensely if I leave it on over night in socks. Even my toes are rough. This makes it so much better. Be consistent. This size was industrial strength !
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Creamy
Fast delivery. Creamy soft and nice smell. Does not leave a greasy film and absorbs quickly.
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Reviewed in the United States on April 10, 2026
