3.90 EUR
Bosch 1 987 302 264 Bulb, indicator
Reversing lamp bulb with 21W power and 12V voltage, compatible with BAY9S base for safe rear view illumination.
Stores where to buy this product
Trodo EU
Bosch 1 987 302 264 Indicator Bulb
The Bosch 1 987 302 264 is a high‑performance indicator bulb designed for automotive use. It delivers reliable, bright illumination in a compact form factor that fits seamlessly into modern vehicle lighting systems.
Key Technical Specifications
- Model: 1 987 302 264 (also known as H21W Pure Light)
- Type: Incandescent bulb with a Pure Light design for enhanced brightness.
- Voltage: 12 V DC – standard automotive supply.
- Power Consumption: 21 W, providing optimal light output without excessive energy draw.
- Base: Bay9S (BAY9S) – a widely used socket compatible with many vehicles.
- Luminous Flux: Approximately 1,200 lumens, ensuring clear visibility for turn signals and reverse lights.
- Color Temperature: Warm white (~3,000 K), matching the aesthetic of most vehicle interiors.
- Operating Temperature Range: –40 °C to +85 °C, suitable for diverse climates.
Design and Build Quality
The bulb features a robust glass envelope that resists vibration and shock, essential for automotive environments. Its Pure Light coating reduces glare while maintaining high brightness, making it ideal for both front and rear indicator applications.
Compatibility Overview
This model is engineered to fit a wide array of vehicles across multiple manufacturers:
- Volkswagen – including Golf IV & V, Passat, Polo, Tiguan, Touareg, Scirocco, Caddy, Bora, and Transporter.
- Audi – compatible with most A4, A6, Q3, and other models.
- Mazda, Mercedes‑Benz, BMW, Citroën, Peugeot, Alfa Romeo, Opel, Seat, Skoda, Kia, Hyundai, Ford, DS, and many others.
Its Bay9S base ensures a universal fit across these brands, while the 12 V/21 W rating matches standard automotive lighting circuits.
Installation Guidance
- Safety First: Disconnect the vehicle battery before working on any electrical component.
- Remove Old Bulb: Unscrew or release the existing indicator bulb from its socket.
- Insert New Bulb: Align the Bay9S base with the socket and secure it firmly. Avoid touching the glass envelope with bare hands to prevent oil residue that can shorten lifespan.
- Reconnect Battery: Restore power and test the indicator function to confirm proper operation.
Performance Highlights
- Long Life: Designed for durability, this bulb can endure thousands of on/off cycles typical in automotive use.
- Consistent Brightness: The Pure Light technology maintains a steady light output over the bulb’s lifespan.
- Low Heat Emission: Efficient design reduces heat buildup, protecting surrounding components.
Maintenance Tips
Regularly inspect indicator bulbs for signs of wear such as dimming or flickering. Replace promptly to maintain safety and compliance with traffic regulations. Store spare bulbs in a cool, dry place to preserve longevity.
Why Choose Bosch?
- Reputation: Bosch is renowned for engineering excellence and reliability in automotive components.
- Quality Assurance: Each bulb undergoes rigorous testing to meet stringent performance standards.
- Global Support: Availability across numerous markets ensures easy access to replacements.
Conclusion
The Bosch 1 987 302 264 indicator bulb combines robust construction, reliable performance, and universal compatibility. Whether you’re upgrading a single vehicle or maintaining a fleet, this bulb delivers the brightness and durability required for safe, compliant driving.
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 3.99 EUR  2.71 EUR  4.74 EUR |
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| Tags | Bosch Bulb Trade Pk Pure/Lt H21 12v 21w 12v 21w Bosch Pure/Lt H21 |
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| Brand |  Bosch is a brand of power tools and appliances. The company was founded in 1886 and produces a wide range of power tools, appliances, and accessories. Bosch tools are known for their quality and durability, and the company is a leader in innovation and design. |
| MPN | Bosch 1 987 302 264 |
| ID | 6991325 |
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