Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug - WCF100469 $85.99
Fleece Performance 11-25 Ford F-250/F-350/F-450 6.7L Power Stroke Thermostat Housing Upgrade - FPE-FMC-TH-1125 $121.99
Fleece Performance 98.5-07 Dodge 2500/3500 Cummins Replacement Thermostat Housing w/Aux Port - FPE-CUMM-TH-1318 $166.99
