Reliable amber indicator globes from Tungsram provide clear signaling for commercial and heavy vehicles. These PY21W bulbs feature a BAU15S single contact bayonet base engineered for secure bayonet fitting and positive contact in 24V electrical systems. Rated at 21W they deliver strong, visible amber light ideal for turn signals, side markers and trailer lamps. The pack of 10 offers convenient replacement stock for fleets, trucks, caravans and buses where durable, standard spec signalling lamps are required.

• Brand: Tungsram
• Type: PY21W indicator globe
• Base: BAU15S single contact bayonet
• Voltage: 24V
• Power: 21W
• Colour: Amber
• Pack quantity: 10
• Applications: Turn signal, indicator, side marker and trailer lighting

These bulbs are designed to meet common automotive signalling requirements but fitment varies by vehicle make and model. Use the Parts Checker on the site to confirm compatibility before purchase. Suitable as a practical bulk replacement for maintenance workshops and fleet operators wanting consistent amber signalling performance.