The Arson 1383 Replacement Bulb is the most commonly used miniature bulb type found in RV, marine, automotive, and other applications.

Specs
Arcon Model No.: 15758
Bulb Style: 1383
Light Type: Incandescent
Watts: 20
Bulb Size: R12
Bulb Base: BA15S Single Contact Bayonet
Voltage: 12V Arcon #1383 Replacement Bulbs, 10-Pack