Bosch 1 987 302 045 Bulb, headlight

Bosch 1 987 302 045 Headlight Bulb

The Bosch 1 987 302 045 is a premium automotive headlamp bulb designed for high‑performance illumination in both low‑beam and high‑beam modes. It combines advanced halogen technology with a robust, long‑lasting construction that meets the stringent requirements of modern vehicles.

Key Technical Specifications

• Type: H4 Xenon Blue Halogen
• Voltage: 12 V DC
• Power Rating: 60 W (low beam) / 55 W (high beam)
• Base: E12XU
• Color Temperature: 6000 K (cool white)
• Luminous Flux: Approximately 1,200–1,400 lumens per beam
• Beam Pattern: Dual‑beam with a clear, focused high‑beam and a wide low‑beam spread for optimal road coverage.
• Operating Temperature Range: –40 °C to +70 °C
• Lifetime: Up to 1,200 hours under normal driving conditions

Design and Build Quality

The bulb features a durable glass envelope that resists thermal shock and vibration. Its sealed metal housing protects the internal components from moisture, dust, and road debris. The integrated heat‑sink design ensures efficient dissipation of heat generated during operation, which extends bulb life and maintains consistent brightness.

Compatibility Overview

This headlight bulb is engineered to fit a wide range of vehicle models across multiple manufacturers. Some of the most common applications include:

• Abarth, Alfa Romeo, Audi, Austin, Autobianchi, BMW, Ford, Honda, Hyundai, Kia, Mazda, Mercedes‑Benz, Mitsubishi, Nissan, Peugeot, Renault, Seat, Skoda, Subaru, Suzuki, Toyota, Volkswagen, and many more.
• Both front (high‑beam) and rear (low‑beam) headlamp assemblies are supported.
• It is suitable for vehicles equipped with standard H4 sockets, including older models from the 1980s through contemporary cars.

Performance Highlights

The Xenon Blue technology delivers a bright, cool‑white light that improves visibility and reduces glare for oncoming traffic. Compared to standard halogen bulbs, the 1 987 302 045 offers:

• Higher luminous intensity: Up to 30% brighter than conventional halogens.
• Improved beam spread: A more uniform illumination pattern that reduces dark spots on the road.
• Enhanced color rendering: Better contrast for detecting pedestrians, animals, and obstacles.

Installation Guide

1. Safety first: Disconnect the vehicle battery to prevent electrical shock.
2. Remove the old bulb: Gently twist or pull the existing headlamp assembly according to your vehicle’s manual.
3. Insert the new bulb: Align the E12XU base with the socket and secure it by twisting clockwise until snug.
4. Reconnect power: Reattach the battery and test both low‑beam and high‑beam functions.
5. Check alignment: Adjust the headlamp angle if necessary to ensure proper beam distribution.

Maintenance Tips

• Inspect the bulb regularly for signs of discoloration or cracking; replace immediately if any damage is observed.
• Avoid touching the glass surface with bare hands, as oils can reduce brightness and shorten lifespan.
• Keep the headlamp housing clean to prevent heat buildup.

Environmental Impact

The Bosch 1 987 302 045 is engineered for energy efficiency. Its halogen design consumes less power than traditional incandescent bulbs while providing superior illumination, contributing to reduced fuel consumption and lower emissions over the vehicle’s lifetime.

Conclusion

With its robust construction, high‑performance lighting, and broad compatibility, the Bosch 1 987 302 045 headlight bulb stands out as a reliable choice for drivers seeking enhanced visibility and safety on the road. Its advanced halogen technology delivers crisp, cool white light that meets modern driving standards while maintaining durability across diverse automotive platforms.