- Used to check fuel system restriction on diesel engines with Compuchek test ports.
- Fits Compuchek test ports on the fuel systems of Cummins, International, and Detroit 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", 30 inHg vacuum gauge on the other.