Lang Fuel System Pressure Test Gauge – Compuchek is used to check fuel system pressure on diesel engines with Compuchek test ports. The Lang Fuel System Pressure Test Gauge fits Compuchek test ports on the fuel system of Cummins diesel engines as well as other diesel engines that have been outfitted with the Compuchek test ports.

Consists of a hose assembly with a female Compuchek fitting on one end and a 3-1/2”, 300 PSI gauge on the other.