Rolair

For 4L (1/2") series belts.

5.75" OD 2-belt air compressor pulley. Make sure to also order the required QD-H-7/8 bushing.

Smaller hi pressure piston. Piston only. No rings.

Old Part Numbers: 145F, FDT91/2" MPT x 5/8"-14 JIC female flare swivel x 9.5" long. 1/2" inside hose diameter.Extra DetailsIf you have a Rolair unit, this fits the 6590HK18, 4090HK17, 1040 Series,...