Know the Parts of Your Air Compressor

This alphabetized air compressor parts list consists of parts from our reciprocating piston models and rotary screw models to help you become more familiar with the functions of your air compressor:

The actuator creates rotary or linear movement and is what outputs the compressed air to the tools or processes that use pressurized air for power. Any leaks or other deficiencies in the air movement coming into the actuator will result in a decrease of the air force coming out. Small particles that have found their way into the air will cause blockages in the actuator, as well as many other parts of your air compressor.

Industrial-class bearings ensure a long operating life for the most demanding of operations. Quality bearings will give you peace of mind as your air compressor operates at high revolutions with high pressure. Bearings are highly dependent on the proper lubrication at the right viscosity.

Belt tension should be checked every 40 hours for wear and operation. Working to drive the operation of your compressor, the belts need to be of the highest quality and fit properly.

Valve bumpers surround the valves for added protection from accidental contact. Replace this small shielding part when needed to prevent the more expensive replacement of valves.

Bushings create some space between moving parts. Used in the internal components of the air compressor, your bushings offer protection from serious breakdowns, minimizing side-to-side play.

Used to move the piston up and down in the crankcase, the connecting rods take a heavy workload. They are a highly durable part of your air compressor. You may never need to replace connecting rods, unless proper maintenance is not performed regularly on your system.

Used on internal components to prevent leaking from the high-pressure system.

Our air dryers purify your compressed air by absorbing water vapor. A flow of ‘wet' compressed air is passed through two pressurized tanks that contain our highly absorbent desiccant. Q-Sorb is an advanced formula of activated alumina that significantly reduces operating costs. Keep your air dryer operating efficiently with regular checks of desiccant and filters.

For reliable air flow and to maintain intended pressure, your air compressor should be air tight with quality seals and gaskets. There are various sections of your air compressor that have gaskets and seals: valve plate to head gasket, crankcase gasket, intercooler gasket, oil seal, and the shaft seal, to name a few. These small parts keep contaminates out and the pressurized air inside.

The gauge on your air compressor measures the pressure of the air in your tank. Your gauge is informative in a number of ways, specifically for daily checks to ensure your pressure is at the intended level, so you can attend to any deficiencies as soon as possible.

In general, your air compressor has an electric motor to run the operation of compressing air. Different compressors require different sizes of motors (hp). If you're replacing a worn-out motor, be sure to have the recommended replacement motor installed.

Used for a tight seal, O-rings help keep your system running at peak performance.

Our reciprocating piston models create air pressure with the movement of the piston and connecting rods. These parts are under great pressure when in motion and require a lubricant free of contaminates and of the highest quality.

In our rotary screw air compressors, assembly consists of two interlocking helical rotors that compress the air coming in through the inlet valve. With proper operation, these rotors have an extremely long life.

Adding supporting spacers in the installation of your air compressor may be necessary. These metal shims will provide you with the needed support for a reliable system.

Various components of your compressor use springs for the mechanics of the system. Determine when to replace springs with regular service checks.

Allowing air in and out, draining water, and regulating air flow, valves are an essential component that require regular inspection during your interval checks and regular servicing.


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