BULB (P/N wl-3839) - New Surplus

The wl-3839 is a miniature aircraft lighting bulb for instrument panel and cockpit illumination in low-voltage DC electrical systems. This replaceable lamp provides steady backlighting for gauges, switches, and flight instruments in general aviation and corporate aircraft. The bulb operates in the MS25237 military standard rating family, designed for reliable performance in confined panel spaces.

Installation requires verification against the aircraft's Illustrated Parts Catalog and compliance with the applicable maintenance manual. Replace only with equivalent specification bulbs to maintain proper brightness and electrical compatibility.

What is the BULB (P/N wl-3839)?

The wl-3839 is a miniature aircraft lighting bulb for instrument panel and cockpit illumination in low-voltage DC electrical systems. This replaceable lamp provides steady backlighting for gauges, switches, and flight instruments in general aviation and corporate aircraft.

Is the wl-3839 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 wl-3839 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 wl-3839 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 wl-3839.