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Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit
Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit
Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit
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Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit

Marsoni M251S
Sale price$99.95
Pay 4 payments of $24.99 a month.Shop Pay
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
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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1647 reviews
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B
Verified Purchase
Brandi Ramirez
Natrona Heights, US
★★★★★ 3
Beautiful but for sitting only
3 stars for this gorgeous EXTREMELY Uncomfortable shoe. The gold toe part is definitely going to give you blisters if you do any kind of walking.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025
L
Verified Purchase
Leela
Massapequa, US
★★★★★ 5
Buy the shoe!
Size: 7.5, Color: Red
These are look I would of figured that they would of hurt my feet but they did not. Comfortable, sturdy quality. The red is on point and I am a 7.5 and these fit spot on. Give a sexy look to the feet no anklet needed. Steve madden shoes never miss
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2025
W
Verified Purchase
W. Pepper
Massapequa, US
★★★★★ 1
Pretty shoe but unrealistic
Size: 10, Color: Caramel
Super high and no actual support. The straps do not hold you in. There was no stability. I had to return.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2025
A
Verified Purchase
Amanda Riley
Chelsea, US
★★★★★ 4
Love
Size: 11, Color: Champagne
Loved it but a bit large around my ankle
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2025
E
Verified Purchase
Everything happens for a reason👌
Phoenix, US
★★★★★ 5
The quality is excellent 👌
Size: 8, Color: Chestnut Multi
I love it 🥰
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026

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