Excellent Product
Excellent product for now… brought my transmission temperature down significantly….

Key Features & Specs:
Fitment:
Improve transmission performance and reliability with the Pacific Performance Engineering (PPE) Transmission Fluid Bypass Valve, designed for 2020-2026 GM 3.0L Duramax vehicles equipped with the 10L80 10-speed transmission. This billet aluminum upgrade maximizes transmission fluid flow by eliminating restrictive factory limitations, helping reduce operating temperatures and prevent overheating. Built as a direct OEM-style replacement, it ensures easy installation while enhancing durability and long-term performance—ideal for towing, daily driving, and performance applications.