BULB (P/N 4553) - New Surplus

The 4553 is a PAR46 sealed-beam landing/taxi bulb rated for 28-volt aircraft electrical systems. This bulb features a G53 screw-terminal base that connects directly into standard aviation lighting housings without adapters. The sealed-beam construction provides durable, weather-resistant performance in forward and aft landing light fixtures.

Installation requires verification against your aircraft's Illustrated Parts Catalog and compliance with maintenance manual procedures for your specific airframe.

What is the BULB (P/N 4553)?

The 4553 is a PAR46 sealed-beam landing/taxi bulb rated for 28-volt aircraft electrical systems. This bulb features a G53 screw-terminal base that connects directly into standard aviation lighting housings without adapters.

Is the 4553 a PMA or OEM part?

The BULB may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: New Surplus. Contact us for sourcing details.

Does the 4553 include installation hardware?

Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the BULB. We stock related hardware and can help identify companion parts.

Can the 4553 be shipped internationally?

Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the 4553.