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12V 21W Light Bulb – 1057 P21W – Tungsram – NOS
End-on view of BA15s bayonet base showing single centre solder contact and etched 12V P21W marking on the side of the metal cap
Side profile of bulb showing one bayonet locating pin on the metal cap and the single straight filament suspended between two support wires
Angled view of the same bulb highlighting the clear S25 glass envelope, tungsten filament, and polished nickel-plated BA15s cap in clean unused condition

12V 21W Light Bulb – 1057 P21W – Tungsram – NOS

Brand Tungsram
Part Number 1057 P21W
Type Automotive Bulb
Condition New Old Stock

Specifications

  • Voltage: 12V
  • Wattage: 21W
  • Base: BA15s (single contact bayonet)
  • ECE category: P21W
  • Filament: Single filament

Vehicle Fitment

Universal 12V automotive fitment — indicator, stop, tail, reverse, fog and rear position lamps on most cars, light commercials and motorcycles using BA15s sockets

Cross References

Part Numbers Relationship
1156, 1141, 7506, S25, R1221, 8GA 002 073-163, R382BLL equivalent
TU 1057 B10 OE original
New Old Stock (NOS) — Unused part in original condition. Packaging may show age-related shelf wear. New old stock; bulbs unused with bright clean glass and unmarked bases; outer trade box shows light shelf wear and minor edge scuffing consistent with storage age. Electrical components should be tested before installation. Please confirm this part number suits your vehicle before purchasing.

SKU: ELE-00919

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