GM Thermostats for 2017+ L5P/L5D

Fits 2017+ L5P Duramax/ 2019+ L5D Duramax

Part# DMAX-0456/DMAX-0457/(2x)DMAX-0544
Replaces GM Part# 12680456/12680457/(2x)12680544

GM replacement thermostats for your L5P or L5D. Sold as a set.

Part# DMAX-0456 / 12680456 Opens at 185º

Part# DMAX-0457 / 12680457 Opens at 180º

DmaxStore Note: This kit includes two thermostats (part# DMAX-0456/DMAX-0457) and one gasket for each thermostat (part#DMAX-0544).