Rolair Motor Pulley Groove: Single-A Bore: 3/4" Outside Diameter: 4-5/16" Specifications Model Number/ Cross Reference: 4090HK17, 6590HK18,5GR30HK17, RC4HK12 Groove: Single-A Bore: 3/4" Outside Diameter: 4-5/16"

Old Part Numbers: 160-1001, MFREG0375Air regulator assembly for air compressors with 3/8" FPT inlet/outlet and 1/4" side port for pressure gauge. Gauge not included. Fits most compressors. Regulates the amount of air fed to your tools. If air leaks from...

Keep your air compressor from sliding all around your vehicle or floor. Order extra for future use.Specifications Height: 3/4"  Diameter: 1-1/2"

1/4" Ball Valve Drain Cock for air compressors. Keep your tank from rusting. Replace this if it is leaking or will not work.