The Parker-Hannifin 43 Series Crimp Style Hydraulic Hose Fitting is designed to provide a secure, leak-free connection for hydraulic systems. This fitting is compatible with petroleum-based hydraulic fluids, lubricating oils, and phosphate-ester-based hydraulic fluids. This fitting is designed to provide a cost-effective, permanent, crimp-style connection for hydraulic systems. It is easy to install and provides a reliable, leak-free connection. FleetPride is your First Click in Heavy Duty®.