The Philips P21/5W BAY15D Double Filament Bulb is designed for rear lighting applications such as brake lights, tail lights, and position lamps. Manufactured to OEM standards, it provides dependable illumination, correct brightness levels, and long-lasting performance.
Key Features
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Dual-intensity double filament design
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OEM-standard Philips quality
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Clear and consistent light output
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Durable construction for extended lifespan
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Easy installation with BAY15D base
Technical Specifications
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Bulb Type: P21/5W
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Base Type: BAY15D
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Technology: Halogen (Standard)
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Voltage: 12V
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Power: 21W / 5W
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Condition: New
Performance Benefits
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Clear brake and tail light visibility
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Improves signaling and road safety
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Maintains factory lighting specifications
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Trusted Philips reliability
Vehicle Compatibility
Compatible with vehicles that require P21/5W BAY15D double filament bulbs.
Always confirm bulb type before installation.
Looking for more exterior lighting options?
Explore our signal, brake & tail light bulbs or browse the main automotive lighting category.







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