T15 921 LED Reverse Light Bulb – Extremely Bright White High-Power (Pair)
T15 921 LED Reverse Light Bulb – Extremely Bright White High-Power (Pair) - 6000K White is backordered and will ship as soon as it is back in stock.
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T15 921 LED Reverse Light Bulb – Extremely Bright White High-Power ...
High-Intensity LED Output for Clearer, Safer Reverse Visibility
Upgrade your vehicle’s reverse lighting with this pair of high-power T15/921 LED bulbs engineered for maximum clarity, accuracy, and reliability. Each bulb features four-sided illumination and a precision projector lens on top, creating a sharp, focused beam that delivers significantly more usable light than stock incandescent bulbs. The aluminum heat-sink housing ensures consistent thermal management and long-term durability, all in a compact, plug-and-play design that installs in minutes.
Key Benefits
Powerful, Real-World Brightness
Unlike many aftermarket bulbs that advertise inflated lumen figures, these LEDs are tested for true output. Each bulb produces 500 lumens of clean, white light, delivering a substantial improvement in reverse visibility and overall safety.
Advanced Projector Lens Design
The top-mounted projector lens amplifies the beam pattern, directing light farther down the road or driveway. Combined with side-mounted SMD LEDs, the result is bright, even illumination that makes reversing at night noticeably easier.
Enhanced Reliability
Built with an updated aluminum circuit board and full metal heat-sink structure, these bulbs dissipate heat efficiently to protect LED chips and maintain stable performance. This design prevents flickering, early failure, and brightness loss over time.
CK-Compatible and Non-Polar
These bulbs are engineered with a non-polar, CK-compatible electrical design, meaning they work in standard and reverse-polarity sockets. No guessing, no rewiring, no issues.
Quick, Simple Installation
The bulbs install directly into any 921/T15 socket with no modifications required. Just remove the old incandescent bulb and plug in the new LED.
Technical Specifications
Bulb Type: T15 / 921 LED
LED Chips: 12× 3030 SMD LEDs + 5 high-power chips on the projector
Output: 500 lumens per bulb
Construction: Full metal heat-sink housing
Illumination: Four-side output with top-projector lens
Electrical: Non-polar, CK-compatible
Installation: Plug-and-play, no errors
Quantity: Pair (2 bulbs)
Warranty: 2 years
Fitment & Compatibility
Direct replacement for factory incandescent bulbs in:
T15, 921, W16W, and other equivalent reverse light sockets.
Ideal for reverse lights, tail light housings that use 921, and some turn-signal applications requiring this size.
If you’re unsure which bulb your vehicle uses, we can help confirm the correct fitment.
Why Choose Underground Lighting
With over a decade of experience in automotive lighting, we engineer products that meet strict performance and quality standards. Every LED is built for real-world use—accurate brightness, stable operation, and reliable cooling. Our knowledgeable support team is always available to help with selection, installation, or troubleshooting, and every bulb is backed by our two-year replacement warranty.
