BRUSH 1/4X7/8 (P/N 4630-4) - New Surplus

The 4630-4 is a carbon brush measuring 1/4 x 7/8 inch that conducts electrical current between stationary leads and the commutator in aircraft DC machines. Commonly used in starter-generator assemblies and small accessory motors on general aviation aircraft. During MRO maintenance, carbon brushes are replaced as matched sets to restore reliable electrical contact and ensure consistent performance.

Installation requires seating per component or aircraft maintenance manual specifications using FAA-approved data. Verify part compatibility in your aircraft's Illustrated Parts Catalog before ordering.

What is the BRUSH 1/4X7/8 (P/N 4630-4)?

The 4630-4 is a carbon brush measuring 1/4 x 7/8 inch that conducts electrical current between stationary leads and the commutator in aircraft DC machines. Commonly used in starter-generator assemblies and small accessory motors on general aviation aircraft.

What conditions is the 4630-4 available in?

The 4630-4 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the 4630-4?

The 4630-4 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the 4630-4?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.