Product Specifications

4G21S Series LED 1156 BA15S BAU15S 180° 150° Back-Up & Rear Fog Light Bulbs

The 4G21S Series LED bulbs are engineered to provide high-quality lighting in a compact form. Featuring a small size and robust construction, these bulbs fit seamlessly into a variety of vehicles for back-up and rear fog light applications. Whether you’re driving in fog, snow, or low visibility conditions, the 4G21S Series LEDs deliver bright, clear light to enhance safety and visibility on the road.

Versatile and Color Options for All Needs

With three color options — White (6500K), Yellow (3000K), and Red — the 4G21S Series LED bulbs allow for customization of your vehicle's lighting setup. The white light provides clear visibility, while the yellow light enhances fog penetration and improves visibility in inclement weather. The red light serves as a strong marker for rear fog or emergency use, making these bulbs perfect for various lighting scenarios.

Durable and Heat Resistant

These LED bulbs are designed with an aluminum PCB for efficient heat dissipation and long-lasting performance. The materials used ensure that the bulbs can handle continuous use, providing stable brightness and reducing the risk of overheating, making them ideal for harsh weather conditions and long-term use.

Wide Voltage Compatibility

Compatible with vehicles that use 9V to 18V DC, these LED bulbs are suitable for both 12V and 24V systems, making them perfect for a wide range of cars, trucks, and commercial vehicles. Their low power consumption (450mA ± 40mA) ensures they won’t overload your vehicle’s electrical system, providing an energy-efficient solution for enhanced lighting.

Easy to Install and Reliable

With a user-friendly design and plug-and-play installation, these bulbs are easy to replace in your vehicle's existing light sockets. Available in both BA15S and BAU15S base options, they are perfect for retrofitting existing incandescent bulbs with modern LED technology. Enjoy the simplicity of installation without the need for additional adapters or modifications.

Waterproof and Weather-Resistant

Built to withstand the elements, the 4G21S Series LED bulbs feature an IP67 rating, meaning they are fully sealed against dust and water. Whether it’s rain, snow, or muddy conditions, these bulbs will continue to perform reliably without fail, ensuring your vehicle’s rear lighting remains effective in all weather conditions.

Built for Long-Term Reliability

The 4G21S Series LED bulbs are designed for a long lifespan of over 30,000 hours, backed by an 24-month warranty. These bulbs are engineered to maintain consistent performance over time, ensuring that they remain a reliable source of light for your vehicle’s back-up and rear fog lighting needs. Whether you're outfitting a single vehicle or a fleet, these LED bulbs will continue to provide excellent performance for years to come.