Description
Product Overview
The Sylvania 7443 Red LED Brake Light Bulb is engineered for precise vehicle-specific fit, delivering a vivid red illumination that meets OEM standards. Constructed with high‑quality LED chips and a durable housing, this 12‑volt bulb offers instant full brightness, superior heat dissipation, and a lifespan far exceeding conventional incandescent bulbs. At just 0.634 ounces and compact dimensions of 3 × 1 × 4 inches, it integrates seamlessly into rear brake light assemblies without modification.
Usage
Designed for everyday driving, this bulb is perfect for drivers seeking reliable stop‑light performance in city traffic, highway cruising, and adverse weather conditions. Its rapid illumination gives following drivers more reaction time, enhancing overall road safety. Ideal for passenger cars, light trucks, and SUVs that use the standard 7443 bulb size.

Why Choose Us
Sylvania brings over a century of lighting expertise, ensuring each bulb meets rigorous quality standards. The 7443 LED bulb is tested for consistent color output, voltage stability, and resistance to vibration. Paired with Sylvania’s optional load equalizer, it prevents hyper‑flashing and guarantees optimal performance across all vehicle electrical systems.
Key Features
- Instant full‑brightness red light for faster driver response
- Vehicle‑specific fit eliminates installation guesswork
- Long‑lasting LED technology reduces replacement frequency
- Compact, lightweight design compatible with standard 7443 sockets
- Recommended use of Sylvania load equalizer to prevent hyper‑flashing
FAQ
Do I need a load equalizer for this LED bulb?
While the bulb works in most vehicles without issue, some models may experience hyper‑flashing. Installing Sylvania’s load equalizer ensures stable operation and prevents this effect.
Can I replace only one bulb or should I replace both?
For optimal performance and consistent lighting, it is recommended to replace both rear brake light bulbs at the same time.
Is this bulb compatible with all 7443 socket types?
Yes, the 7443 model number indicates a standard socket size used by many manufacturers, making it a direct replacement for existing incandescent bulbs.
What is the warranty on this product?
Sylvania offers a limited warranty covering manufacturing defects, typically up to two years from the date of purchase.
How does the brightness compare to traditional bulbs?
The LED bulb provides a brighter, sharper red light that reaches full intensity instantly, unlike incandescent bulbs which fade gradually.







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