24V 5W BA15s Bulbs - Truck Tail Light Bulb / Pack of 10

The Bosma 0515 is a 24V / 5W R5W automotive light bulb featuring a BA15s metal base with a single bottom contact and symmetrical side pins. It is heavily used in the 24V electrical systems of trucks, semi-trailers, and heavy-duty commercial vehicles for marker, position, and license plate lighting.

Technical Specifications

Brand / Code: Bosma 0515 (also referred to as 0515S)
Voltage: 24V
Wattage: 5W
ECE Category: R5W
Base Type: BA15s (15mm diameter, single contact)
Bulb Dimensions: Approximately 18mm x 37mm
Luminous Flux: 150 lm

Common Applications

Side marker clearance lamps
Rear position and tail lights
Interior cabin illumination
License plate lamps

Cross-Reference & Equivalents

If you cannot find the Bosma brand locally, this exact bulb configuration is standard across other manufacturers. You can replace it using:

Hella: 8GA 002 071-261
Osram: 5627 (Standard R5W 24V)
Philips: 13821 (Standard R5W 24V)

Are you looking to buy a bulk workshop box, or do you need help upgrading these specific position lamps to an LED equivalent?