California Air Tools SP-9421 2.0 HP Oil-Free Replacement Pump Motor

Built as a direct replacement assembly, the California Air Tools SP-9421 allows users to restore compressor function without replacing the entire unit. This motor-pump combination is intended for integration into existing systems where the original pump has reached service limits.

The 2.0 HP motor drives a dual piston compression system at 1680 RPM, maintaining a balance between output and mechanical stress. This configuration is commonly used to support consistent pressure recovery while limiting excessive heat buildup during operation.

Unlike oil-lubricated systems, this unit operates without internal oil, which removes the need for routine lubrication and reduces the risk of air contamination. This design is typically selected for applications where maintenance intervals and air cleanliness are priorities.

Airflow is regulated through internal reed valve components, contributing to controlled compression cycles. The system is rated for standard operating pressures up to 125 PSI, with performance characteristics aligned to compatible California Air Tools systems.

Installation components are included to support mounting and operation, including dual intake filters, capacitor, and vibration isolation struts. An external unloader or bleeder valve is required depending on the compressor configuration.

Standard Equipment

• 2.0 HP motor-pump assembly
• Dual piston oil-free compression system
• Capacitor
• Two intake air filters
• Four vibration isolation struts
• Integrated thermal overload protection

Technical Data + Specifications