Description: Wehrli Transmission Cooler Thermostat Bypass Plug Fits 17-19 GMC Duramax 6.6L .no-subscribe { display: none} [contenteditable] { pointer-events: none; }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 Diesel2014-2018 Chevrolet Silverado & GMC Sierra 1500 with 4.3L 6 Cyl, 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines2015-2020 Chevrolet Suburban, Tahoe & GMC Yukon with 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines2015 Cadillac Escalade with 6.2L 8 Cyl Gas EngineFeatures:CNC Machined Billet Aluminum Thermostatic Bypass PlugBlack Anodized FinishHigh temperature silicone O-ring sealsReduces fluid flow restriction to trans coolerSimple InstallationExperience fluid temperature drops from 15-50 degrees FDirect replacement of the failure prone OEM thermostatEasy swap back to OEM setup for cold weather useWehrli Transmission Cooler Thermostat Bypass Plug Fits 17-19 GMC Duramax 6.6L #elm-1 .fa:before { background-color: transparent; background-image: none; border-color: transparent; border-width: 0px; border-style: none; box-shadow: none; color: #333; font-size: 18px; border-top-left-radius: undefined; border-top-right-radius: undefined; border-bottom-left-radius: undefined; border-bottom-right-radius: undefined; padding-left: 12px !important; padding-top: 6px !important; padding-right: 12px !important; padding-bottom: 6px !important; margin-left: 0px; margin-right: 0px; } @media only screen and (min-width: 992px) { #elm-1-export .big-image-box { height: 280px; border-bottom-width: 0px; border-bottom-style: none; border-bottom-color: none; } } @media only screen and (max-width: 991px) and (min-width: 576px) { #elm-1-export .big-image-box { height: 400px; position: static; } } @media only screen and (max-width: 575px) { #elm-1-export .big-image-box { height: 400px; position: static; } } 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 Diesel2014-2018 Chevrolet Silverado & GMC Sierra 1500 with 4.3L 6 Cyl, 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines2015-2020 Chevrolet Suburban, Tahoe & GMC Yukon with 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines2015 Cadillac Escalade with 6.2L 8 Cyl Gas EngineFeatures:CNC Machined Billet Aluminum Thermostatic Bypass PlugBlack Anodized FinishHigh temperature silicone O-ring sealsReduces fluid flow restriction to trans coolerSimple InstallationExperience fluid temperature drops from 15-50 degrees FDirect replacement of the failure prone OEM thermostatEasy swap back to OEM setup for cold weather usePaymentShippingReturnsPayment PaymentShippingReturnsPayment We except all major credit cards and paypal.PaymentShippingReturns Shipping PaymentShippingReturns Shipping We offer FREE ground shipping on all orders within the 48 states with no hidden fees.Most items will ship to Alaska, Hawaii, U.S. territories, and internationally for an additional fee, but please contact us for a quote.With over 20 fulfillment centers nationwide, most items are delivered in 1-2 business days and when you place your order before 3 p.m. CST, it will ship that same day. For freight shipments, please allow additional prep time and note that we require a phone number for delivery. FREE curbside delivery for all freight shipments.We ask that you please provide a physical address for your order so it arrives on your doorstep safely and soundly as we cannot ship to APO/FPO/PO box addresses. Our team will ship your order to the PayPal verified address provided, so any address change request made outside of PayPal is not guaranteed.We ship with Fedex, USPS, Ontrac, Lasership, DHL, Speedee and UPS.PaymentShippingReturns ReturnsPaymentShippingReturns ReturnsReturning Your Order: If you need to return something, we will happily accept your return for a refund within 60 days from the day it was delivered to your door. If you miss the 60-day window, still reach out to us and we can do what we can to help you out.Return Process:1. Submit return request via the eBay Returns Portal.1. Find the item in My eBay under Purchase History and select Return this item from the More actions drop-down menu.2. Select the reason for the return.3. Please ship the product back to us with all original parts.4. Our returns team will quickly ship your replacement or refund your payment.Have a warranty issue? Please reach out to us and we can help you handle any warranty problems. 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 Diesel2014-2018 Chevrolet Silverado & GMC Sierra 1500 with 4.3L 6 Cyl, 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines2015-2020 Chevrolet Suburban, Tahoe & GMC Yukon with 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines2015 Cadillac Escalade with 6.2L 8 Cyl Gas Engine Features:CNC Machined Billet Aluminum Thermostatic Bypass PlugBlack Anodized FinishHigh temperature silicone O-ring sealsReduces fluid flow restriction to trans coolerSimple InstallationExperience fluid temperature drops from 15-50 degrees FDirect replacement of the failure prone OEM thermostatEasy swap back to OEM setup for cold weather useWehrli Transmission Cooler Thermostat Bypass Plug Fits 17-19 GMC Duramax 6.6L 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 Diesel2014-2018 Chevrolet Silverado & GMC Sierra 1500 with 4.3L 6 Cyl, 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines2015-2020 Chevrolet Suburban, Tahoe & GMC Yukon with 5.3L 8 Cyl, and 6.2L 8 Cyl Gas Engines2015 Cadillac Escalade with 6.2L 8 Cyl Gas Engine Features:CNC Machined Billet Aluminum Thermostatic Bypass PlugBlack Anodized FinishHigh temperature silicone O-ring sealsReduces fluid flow restriction to trans coolerSimple InstallationExperience fluid temperature drops from 15-50 degrees FDirect replacement of the failure prone OEM thermostatEasy swap back to OEM setup for cold weather usePaymentShippingReturnsPayment PaymentShippingReturnsPayment We except all major credit cards and paypal.PaymentShippingReturns Shipping PaymentShippingReturns Shipping We offer FREE ground shipping on all orders within the 48 states with no hidden fees. Most items will ship to Alaska, Hawaii, U.S. territories, and internationally for an additional fee, but please contact us for a quote. With over 20 fulfillment centers nationwide, most items are delivered in 1-2 business days and when you place your order before 3 p.m. CST, it will ship that same day. For freight shipments, please allow additional prep time and note that we require a phone number for delivery. FREE curbside delivery for all freight shipments. We ask that you please provide a physical address for your order so it arrives on your doorstep safely and soundly as we cannot ship to APO/FPO/PO box addresses. Our team will ship your order to the PayPal verified address provided, so any address change request made outside of PayPal is not guaranteed. We ship with Fedex, USPS, Ontrac, Lasership, DHL, Speedee and UPS.PaymentShippingReturns ReturnsPaymentShippingReturns Returns Returning Your Order: If you need to return something, we will happily accept your return for a refund within 60 days from the day it was delivered to your door. If you miss the 60-day window, still reach out to us and we can do what we can to help you out. Return Process: 1. Submit return request via the eBay Returns Portal. 1. Find the item in My eBay under Purchase History and select Return this item from the More actions drop-down menu. 2. Select the reason for the return. 3. Please ship the product back to us with all original parts. 4. Our returns team will quickly ship your replacement or refund your payment. Have a warranty issue? Please reach out to us and we can help you handle any warranty problems. eBay integration by
Price: 71.14 USD
Location: Kokomo, Indiana
End Time: 2025-01-17T22:26:41.000Z
Shipping Cost: 0 USD
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Item Specifics
Return shipping will be paid by: Seller
Returns Accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money back or replacement (buyer's choice)
Return policy details:
Brand: Wehrli
Interchange Part Number: Transmission Cooler Thermostat Plug
Manufacturer: Wehrli
Manufacturer Part Number: WCF100469
Manufacturer Warranty: 1 Year
Warranty: 1 Year