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by Wehrli

Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug

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Original price $61.00
Original price $61.00 - Original price $61.00
Original price $61.00
Current price $59.17
$59.17 - $59.17
Current price $59.17
Availability:
13 in stock, ready to be shipped

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As a direct replacement for the failure prone OEM thermostat, the Transmission Cooler Thermostat Bypass Plug can drop fluid temperature from 15-50 degrees F by reducing fluid flow restriction to the trans cooler. In the stock application, we've seen the valve fail forcing trans fluid around the cooler in warm weather conditions that cause dangerous fluid temperatures for built and stock transmissions alike. - - Recommended for trucks with stock or built transmissions and performing heavy towing in warm climates to help keep fluid temperatures in check. - - The WCFab Transmission Cooler Thermostat Bypass Plug is a quick and easy install and will work with the following range of GM vehicles equipped with a factory installed transmission cooler thermostat bypass (6L80, 6L90, 8L90): - - 2017-2019 Chevrolet Silverado & GMC Sierra 2500HD/3500HD with 6.6L Duramax Diesel - 2014-2018 Chevrolet Silverado & GMC Sierra 1500 with 4.3L 6 Cyl, 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines - 2015-2020 Chevrolet Suburban, Tahoe & GMC Yukon with 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines - 2015 Cadillac Escalade with 6.2L 8 Cyl Gas Engine

  • Experience fluid temperature drops from 15-50 degrees F
  • Direct replacement of the failure prone OEM thermostat
  • CNC Machined Billet Aluminum Thermostatic Bypass Plug
  • Easy swap back to OEM setup for cold weather use
  • Reduces fluid flow restriction to trans cooler
  • High temperature silicone O-ring seals
  • Black Anodized Finish
  • Simple Installation
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Vehicle Compatibility 187 vehicles

Year Make Model Submodel
2014 Chevrolet Silverado 1500 LT
2015 Chevrolet Silverado 1500 LT
2016 Chevrolet Silverado 1500 LT
2017 Chevrolet Silverado 1500 LT
2018 Chevrolet Silverado 1500 LT
2014 Chevrolet Silverado 1500 LTZ
2015 Chevrolet Silverado 1500 LTZ
2016 Chevrolet Silverado 1500 LTZ
2017 Chevrolet Silverado 1500 LTZ
2018 Chevrolet Silverado 1500 LTZ
2015 Chevrolet Silverado 1500 SSV
2016 Chevrolet Silverado 1500 SSV
2017 Chevrolet Silverado 1500 SSV
2018 Chevrolet Silverado 1500 SSV
2014 Chevrolet Silverado 1500 WT
2015 Chevrolet Silverado 1500 WT
2016 Chevrolet Silverado 1500 WT
2017 Chevrolet Silverado 1500 WT
2018 Chevrolet Silverado 1500 WT
2017 Chevrolet Silverado 2500 HD High Country
2018 Chevrolet Silverado 2500 HD High Country
2019 Chevrolet Silverado 2500 HD High Country
2017 Chevrolet Silverado 2500 HD LT
2018 Chevrolet Silverado 2500 HD LT
2019 Chevrolet Silverado 2500 HD LT
2015 Chevrolet Tahoe LTZ
2016 Chevrolet Tahoe LTZ
2015 Chevrolet Tahoe PPV
2016 Chevrolet Tahoe PPV
2017 Chevrolet Tahoe PPV
2018 Chevrolet Tahoe PPV
2019 Chevrolet Tahoe PPV
2020 Chevrolet Tahoe PPV
2017 Chevrolet Tahoe Premier
2018 Chevrolet Tahoe Premier
2019 Chevrolet Tahoe Premier
2020 Chevrolet Tahoe Premier
2015 Chevrolet Tahoe SSV
2016 Chevrolet Tahoe SSV
2017 Chevrolet Tahoe SSV
2018 Chevrolet Tahoe SSV
2019 Chevrolet Tahoe SSV
2020 Chevrolet Tahoe SSV
2014 GMC Sierra 1500 Base
2015 GMC Sierra 1500 Base
2016 GMC Sierra 1500 Base
2017 GMC Sierra 1500 Base
2018 GMC Sierra 1500 Base
2014 GMC Sierra 1500 Denali
2015 GMC Sierra 1500 Denali
2016 GMC Sierra 1500 Denali
2017 GMC Sierra 1500 Denali
2018 GMC Sierra 1500 Denali
2014 GMC Sierra 1500 SLE
2015 GMC Sierra 1500 SLE
2016 GMC Sierra 1500 SLE
2017 GMC Sierra 1500 SLE
2018 GMC Sierra 1500 SLE
2014 GMC Sierra 1500 SLT
2015 GMC Sierra 1500 SLT
2016 GMC Sierra 1500 SLT
2017 GMC Sierra 1500 SLT
2018 GMC Sierra 1500 SLT
2015 Cadillac Escalade Base
2015 Cadillac Escalade Luxury
2015 Cadillac Escalade Platinum
2015 Cadillac Escalade Premium
2016 Chevrolet Silverado 1500 Custom
2017 Chevrolet Silverado 1500 Custom
2018 Chevrolet Silverado 1500 Custom
2014 Chevrolet Silverado 1500 High Country
2015 Chevrolet Silverado 1500 High Country
2016 Chevrolet Silverado 1500 High Country
2017 Chevrolet Silverado 1500 High Country
2018 Chevrolet Silverado 1500 High Country
2015 Chevrolet Silverado 1500 LS
2016 Chevrolet Silverado 1500 LS
2017 Chevrolet Silverado 1500 LS
2018 Chevrolet Silverado 1500 LS
2017 Chevrolet Silverado 2500 HD LTZ
2018 Chevrolet Silverado 2500 HD LTZ
2019 Chevrolet Silverado 2500 HD LTZ
2017 Chevrolet Silverado 2500 HD WT
2018 Chevrolet Silverado 2500 HD WT
2019 Chevrolet Silverado 2500 HD WT
2017 Chevrolet Silverado 3500 HD High Country
2018 Chevrolet Silverado 3500 HD High Country
2019 Chevrolet Silverado 3500 HD High Country
2017 Chevrolet Silverado 3500 HD LT
2018 Chevrolet Silverado 3500 HD LT
2019 Chevrolet Silverado 3500 HD LT
2017 Chevrolet Silverado 3500 HD LTZ
2018 Chevrolet Silverado 3500 HD LTZ
2019 Chevrolet Silverado 3500 HD LTZ
2017 Chevrolet Silverado 3500 HD WT
2018 Chevrolet Silverado 3500 HD WT
2019 Chevrolet Silverado 3500 HD WT
2015 Chevrolet Suburban LS
2016 Chevrolet Suburban LS
2017 Chevrolet Suburban LS
2018 Chevrolet Suburban LS
2019 Chevrolet Suburban LS
2020 Chevrolet Suburban LS
2015 Chevrolet Suburban LT
2016 Chevrolet Suburban LT
2017 Chevrolet Suburban LT
2018 Chevrolet Suburban LT
2019 Chevrolet Suburban LT
2020 Chevrolet Suburban LT
2015 Chevrolet Suburban LTZ
2016 Chevrolet Suburban LTZ
2017 Chevrolet Suburban Premier
2018 Chevrolet Suburban Premier
2019 Chevrolet Suburban Premier
2020 Chevrolet Suburban Premier
2015 Chevrolet Tahoe LS
2016 Chevrolet Tahoe LS
2017 Chevrolet Tahoe LS
2018 Chevrolet Tahoe LS
2019 Chevrolet Tahoe LS
2020 Chevrolet Tahoe LS
2015 Chevrolet Tahoe LT
2016 Chevrolet Tahoe LT
2017 Chevrolet Tahoe LT
2018 Chevrolet Tahoe LT
2019 Chevrolet Tahoe LT
2020 Chevrolet Tahoe LT
2017 GMC Sierra 2500 HD Base
2018 GMC Sierra 2500 HD Base
2019 GMC Sierra 2500 HD Base
2017 GMC Sierra 2500 HD Denali
2018 GMC Sierra 2500 HD Denali
2019 GMC Sierra 2500 HD Denali
2017 GMC Sierra 2500 HD SLE
2018 GMC Sierra 2500 HD SLE
2019 GMC Sierra 2500 HD SLE
2017 GMC Sierra 2500 HD SLT
2018 GMC Sierra 2500 HD SLT
2019 GMC Sierra 2500 HD SLT
2017 GMC Sierra 3500 HD Base
2018 GMC Sierra 3500 HD Base
2019 GMC Sierra 3500 HD Base
2017 GMC Sierra 3500 HD Denali
2018 GMC Sierra 3500 HD Denali
2019 GMC Sierra 3500 HD Denali
2017 GMC Sierra 3500 HD SLE
2018 GMC Sierra 3500 HD SLE
2019 GMC Sierra 3500 HD SLE
2017 GMC Sierra 3500 HD SLT
2018 GMC Sierra 3500 HD SLT
2019 GMC Sierra 3500 HD SLT
2015 GMC Yukon Denali
2016 GMC Yukon Denali
2017 GMC Yukon Denali
2018 GMC Yukon Denali
2019 GMC Yukon Denali
2020 GMC Yukon Denali
2015 GMC Yukon SLE
2016 GMC Yukon SLE
2017 GMC Yukon SLE
2018 GMC Yukon SLE
2019 GMC Yukon SLE
2020 GMC Yukon SLE
2015 GMC Yukon SLT
2016 GMC Yukon SLT
2017 GMC Yukon SLT
2018 GMC Yukon SLT
2019 GMC Yukon SLT
2020 GMC Yukon SLT
2015 GMC Yukon XL Denali
2016 GMC Yukon XL Denali
2017 GMC Yukon XL Denali
2018 GMC Yukon XL Denali
2019 GMC Yukon XL Denali
2020 GMC Yukon XL Denali
2015 GMC Yukon XL SLE
2016 GMC Yukon XL SLE
2017 GMC Yukon XL SLE
2018 GMC Yukon XL SLE
2019 GMC Yukon XL SLE
2020 GMC Yukon XL SLE
2015 GMC Yukon XL SLT
2016 GMC Yukon XL SLT
2017 GMC Yukon XL SLT
2018 GMC Yukon XL SLT
2019 GMC Yukon XL SLT
2020 GMC Yukon XL SLT