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12V 21W Bayonet Bulb – R1221 – Hella – NOS
Side profile of the bulb laid horizontally, showing S25 pear-shaped envelope and full length of the bayonet base with one pin visible on the side
End-on view of the base showing a single central solder contact dot, indicating a single-contact BA15s pattern
Three-quarter view of bulb showing both bayonet pins on the metal base at the same height (symmetrical), confirming BA15s rather than offset BAY15s

12V 21W Bayonet Bulb – R1221 – Hella – NOS

Brand Hella
Part Number R1221
Type Automotive Bulb
Condition New Old Stock

Specifications

  • Voltage: 12V
  • Wattage: 21W
  • Bulb type: P21W
  • Base / socket: BA15s (single contact, single filament)
  • Envelope shape: S25 pear-shape, clear glass

Vehicle Fitment

Universal — fits any 12V vehicle (car, light truck, motorcycle, marine, trailer) that uses a P21W BA15s bulb in turn signal, stop, tail, reverse, fog or interior positions

Cross References

Part Numbers Relationship
8GA 002 073-121, P21W, 7506, 1156, Narva 17635, Osram 7506, Philips 12498 equivalent
New Old Stock (NOS) — Unused part in original condition. Packaging may show age-related shelf wear. Loose bulb, no packaging shown, bulb itself appears unused with intact filament; minor tarnish/discolouration on the metal base consistent with shelf age. Electrical components should be tested before installation. Please confirm this part number suits your vehicle before purchasing.

SKU: ELE-00918

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