Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug LP6 Pro tap 3/8-24 threads with the

tap 3/8-24 threads with the included tap

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Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug LP6 Pro tap 3/8-24 threads with theWehrli Model WCF100469 Wehrli 17 19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug 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