★★★★★ 5
Calidad
Size: One Size, Color: Black
Muy bonita billetera
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 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.
- To process your return/exchange, please contact us at [email protected]
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4.0 ★★★★★
Based on 1236 reviews
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Product Reviews
★★★★★ 5
Calidad
Size: One Size, Color: Black
Linda y excelentes materiales
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Reviewed in the United States on December 14, 2025
★★★★★ 4
Diseño
Buen producto
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Durable looking and thin
Size: One Size, Color: Black
I like the durable feel, modern look and slim design to be able to fit in any pants. Having a rough exterior helps with tight fit in the pants
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Reviewed in the United States on June 23, 2024
★★★★★ 5
Good wallet
Size: One Size, Color: Black
Nice wallet, my son loves it
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Reviewed in the United States on January 30, 2025
