Old Part Numbers: 320-1177, 320-1044, BGKDPlease Note: New Style Belt Guard. If Your Serial Number Begins With Letters A-F you will need to purchase quantity  2 of each 5/16”x1” hex stock and 5/16”x 1/2” bolts from your local hardware store to adapt this...

Old Part Numbers: K25For flywheel. Replace when rebuilding pump. Included in the KU Rebuild Kit.

Old Part Numbers: 154-4L470Air comporessor v-belt, 1/2" wide. Replace if worn or frayed.Specifications Outside dimension: 43" "A" Belt Conversion: A41

Old Part Numbers: 150-1121, MC-5, 150-1122, MC-65-way manifold. Replace if cracked or stripped. Manifold for constant run or start/stop units.

Old Part Numbers: L54EThis handy maintenance kit includes one air compressor air filter element and one (1) quart of high-quality full synthetic lubricant to keep your air compressor running like a champ! For "A" series units, and for filter assemblies...

Old Part Numbers: KU101 Kit includes: Rings, Gaskets, Valves, Unloaders and hollow-style Air Filter Element (L54E hollow-style Filter). Note: Kit does not include K11E or K9.

Old Part Numbers: K35Wrist Pin (Piston Pin) for conrod.