SEALIGHT 921 reverse bulb with 6500K brightness for safer night reversing.
SEALIGHT 921 LED with 360-degree illumination improves rear visibility during parking.
CANBUS-ready SEALIGHT bulb reduces error codes in most vehicles.
Long-lasting SEALIGHT 921 reverse light with aluminum heat sink.
Non-polarity plug-and-play design for easy upgrade of factory lights.
6500K cool white light enhances color contrast for safer maneuvering.
Direct W16W socket compatibility covers 912, 904, 916 variants.
Aviation-grade aluminum construction resists oxidation and heat buildup.
2-pack option provides reliable replacement for tail lights and backup lamps.
SEALIGHT 921 reverse bulb with 6500K brightness for safer night reversing.
SEALIGHT 921 LED with 360-degree illumination improves rear visibility during parking.
CANBUS-ready SEALIGHT bulb reduces error codes in most vehicles.
Long-lasting SEALIGHT 921 reverse light with aluminum heat sink.
Non-polarity plug-and-play design for easy upgrade of factory lights.
6500K cool white light enhances color contrast for safer maneuvering.
Direct W16W socket compatibility covers 912, 904, 916 variants.
Aviation-grade aluminum construction resists oxidation and heat buildup.
2-pack option provides reliable replacement for tail lights and backup lamps.

SEALIGHT 2026 921 LED Bulbs – 700% Brighter, CANBUS Ready T15 912/904/916 Replacement (2 Pack) 6500K

Upgrade your rear lighting with SEALIGHT 921 LED bulbs Designed to replace factory reverse lights, the SEALIGHT...
Vendor: SEALIGHT
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SEALIGHT 921 reverse bulb with 6500K brightness for safer night reversing.

SEALIGHT 2026 921 LED Bulbs – 700% Brighter, CANBUS Ready T15 912/904/916 Replacement (2 Pack) 6500K

£36.64
SEALIGHT 921 reverse bulb with 6500K brightness for safer night reversing.
SEALIGHT 921 LED with 360-degree illumination improves rear visibility during parking.
CANBUS-ready SEALIGHT bulb reduces error codes in most vehicles.
Long-lasting SEALIGHT 921 reverse light with aluminum heat sink.
Non-polarity plug-and-play design for easy upgrade of factory lights.
6500K cool white light enhances color contrast for safer maneuvering.
Direct W16W socket compatibility covers 912, 904, 916 variants.
Aviation-grade aluminum construction resists oxidation and heat buildup.
2-pack option provides reliable replacement for tail lights and backup lamps.

SEALIGHT 2026 921 LED Bulbs – 700% Brighter, CANBUS Ready T15 912/904/916 Replacement (2 Pack) 6500K

£36.64
Description
Description
x

Upgrade your rear lighting with SEALIGHT 921 LED bulbs

Designed to replace factory reverse lights, the SEALIGHT 2026 921 LED bulbs deliver a consistent, high-clarity glow that helps you see beyond the bumper in dim conditions. This 2-pack is built for reliability and easy upgrading of existing tail and backup lights.

Performance highlights

  • 6500K cool white light, 360° illumination, and 24x2835 SMD chips for strong, even brightness that stands out against the night and weathered roads.
  • Up to 700% brighter than stock 921 bulbs, potentially improving rear visibility in rain, fog, or low light scenarios.

Reliability and ease of installation

  • CANBUS ready to reduce error codes and radio interference in most vehicles.
  • Non-polarity 1:1 design with plug-and-play installation for quick upgrades, even for beginners.
  • Efficient heat dissipation through aviation-grade aluminum and immersion gold plug process, supporting longevity up to 60,000 hours.
  • Directly replaces 912/904/916 W16W/T15 sockets for flexible compatibility with tail lights, backup lights, and third brake lights.

Real-world usage and expectations

In everyday driving, the brighter 6500K light can improve cue recognition for brake and reverse signals, especially in challenging weather or at night. Individual results may vary by vehicle and housing design, but the upgrade emphasizes clearer rear visibility and faster recognition of other road users.

Technical overview

  • Bulb type: 921 LED
  • Color temperature: 6500K
  • Lifetime: up to 60,000 hours
  • Fitment: CANBUS compatible, non-polarity, 1:1 replacement

FAQ

Q: Is the SEALIGHT 921 LED bulb compatible with my vehicle?

A: Fits most 912/904/916 W16W sockets; check CANBUS compatibility and bulb type for your car.

Q: How easy is the installation and will it trigger warnings?

A: Plug-and-play, non-polarity design with CAN-BUS helps minimize warning codes in many vehicles.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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