Mishimoto MMTC-L5P-TBV Transmission Thermal Bypass Valve Kit Compatible With Chevrolet/GMC 6.6L Duramax L5P 2017+

Direct fit for 2017+ Chevrolet/GMC 6.6L Duramax L5P Installs in less than 1 hour Eliminates failure-prone bypass valve Durable CNC-machined billet aluminum construction Mishimoto Lifetime Warranty