
Hydraulics 201 Introduction to Hydraulic Hose and Fittings
is classified as -4 (4/16). A hose with ½” ID is a -8 (8/16). The exception to this is the SAE100R5 hoses C5C, C5D, C5E and C5M, as well as C14 PTFE hose and AC134a Refrigerant hose, where dash sizes denote hose ID equal to equivalent tube OD. Replacing a Hose Determining the Right Size The easiest way: Read the layline on the original hose.