Angrong 2x 435 H21W BAY9S Amber LED Reverse Light Bulbs 12V

SKU: 1005007674251294-Amber
Emitting Color
Regular price €6,55
Regular price -41% €11,14 Sale price €6,55

Upgrade your vehicle’s lighting with the Angrong 2x 435 H21W BAY9S Amber LED reverse light bulbs. Specifically designed for 12V systems, these amber LEDs deliver bright, reliable illumination for reverse lights, sidelights, indicators, DRLs, and parking lights. Each bulb packs 10 SMD 5630 LEDs for a clear, consistent beam while keeping power usage low at 4W per bulb. The BAY9s (435 H21W) bayonet base ensures broad compatibility with a wide range of vehicles, making a straightforward, plug-and-play upgrade that requires no wiring or complex modifications.

Two bulbs are included in the package, ready to swap in quickly for an even, matched look. This LED upgrade is designed to work with most 12V automotive electrical systems and is particularly well-suited for European cars with CAN Bus wiring. However, if your vehicle shows an error message due to CAN Bus monitoring (OBD), a Load Resistor may be required to ensure stable operation. If you encounter issues where the LED doesn’t light, try reversing the polarity as a quick troubleshooting step.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Since 2002, intercyprus.com has stood for reliable quality in automotive lighting.

Benefits & Tips

  • Bright amber illumination enhances reverse visibility and signals other drivers clearly when backing up, parked, or signaling a turn.
  • Low power consumption (4W per bulb) helps preserve your vehicle’s electrical system while delivering strong performance.
  • Wide compatibility with 12V vehicles and a simple plug-and-play installation means you can upgrade without rewiring or professional installation.

Product specifications

  • Brand: Angrong
  • Bulb type: BAY9S / 435 H21W miniature bayonet
  • LED chips: 10x SMD 5630
  • Light color: Amber
  • Voltage: 12V DC
  • Wattage: 4W per bulb
  • Lumens: ~320LM per bulb
  • Socket reference: 435 H21W BAY9s
  • Size: 37mm length, 12mm width; 9.2mm OEM standard socket
  • Application: Side Light, Indicator, Parking Light, Driving Light, DRL, Reverse Light
  • CAN Bus compatibility: Works properly on most European CAN Bus-equipped vehicles; some models may require a Load Resistor
  • Package includes: 2x H21W BAY9s 10 SMD 5630 LED amber bulbs
  • Cross-reference: 435 H21W BAY9s, 433D, 6021, 68191, 64136, 12356, 2-B miniature bayonet

Package includes:

  • 2x H21W BAY9s 10 SMD 5630 LED amber indicator reverse sidelight light bulbs

Warnings/Reminders

  • Before purchasing, confirm that the bulb type matches your vehicle’s bulb designation (435 H21W BAY9s) to ensure proper fitment in the light housing.
  • Some vehicles with CAN Bus monitoring may display errors; if this occurs, a Load Resistor may be required to prevent fault messages.
  • If the LED does not illuminate immediately, try reversing the polarity to establish proper electrical polarity.