AutoGlowLED BAY9S H21W LED Backup Reverse Light Bulbs, 2pcs Canbus Error Free
Quick Answer
AutoGlowLED BAY9S H21W LED bulbs are a 2-piece Canbus error-free set for backup reverse lamps and side indicator lights, delivering 3000LM per pair with 360° illumination. They fit compatible vehicles such as Citroen C5 X7, Renault Scenic 2, and Opel Astra J.
Key Features
- High Brightness Output: Each pair produces 3000LM using 54 pieces of 3014 SMD chips per bulb, rated 300% brighter than halogen with 360° illumination.
- Durable Aluminum Build: Automotive grade aluminum body with projection lens for maximum light output and better heat distribution.
- Stable Performance: Built-in constant current IC provides stable performance, longer lifespan, and low power consumption.
- Instant Light-Up: Lights up instantly unlike slower incandescent bulbs, making your car more easily noticed.
- Waterproof Rating: IP68 waterproof construction rated for working voltage of DC 12V.
- Easy Installation: Plug and play installation with no complex wiring required.
Product Description
AutoGlowLED BAY9S H21W LED bulbs upgrade your vehicle's backup reverse lamps and side indicator lights with a 2-piece Canbus error-free set. Each pair delivers 3000LM through 54 pieces of 3014 SMD chips per bulb, with 360° illumination that is 300% brighter than halogen. The automotive grade aluminum body with projection lens ensures maximum light output and better heat distribution, while the built-in constant current IC supports stable performance and longer lifespan.
Compatibility
Citroen C5 X7, Renault Scenic 2, Opel Astra J. Cross reference socket: BAY9S, H21W, 64136, 12356, etc. Application: Back Up Reverse Lights, Daytime Running Lights (DRL), Tail Lights, Brake Lights, etc. Note: 50W 6ohm load resistors may be required when used for turn signal blinker light.
Why Upgrade to LED?
Brighter Than Halogen

No Error Codes

Easy Installation

6000K Crystal White

Custom Fit

Premium Quality LEDs
Color Options

Blue

Crystal Blue

DEEP BLUE
Specifications
| Socket Type | BAY9S H21W LED Bulb (120°) |
| Lumen | 3000LM/pair |
| LED Type | 54Pcs 3014 SMD |
| Beam Angle | 360 degree |
| Waterproof | IP68 |
| Working Voltage | DC 12V |
| Warranty | One Year Warranty |
| Color Options | Blue, Crystal Blue, Deep Blue |
| Package Contains | Set of 2 Bulbs |
Frequently Asked Questions
Q: Will these bulbs cause dashboard error messages?
A: These are Canbus error-free bulbs designed to prevent error messages on compatible vehicles. Note that 50W 6ohm load resistors may be required when used for turn signal blinker light.
Q: What vehicles do these BAY9S H21W bulbs fit?
A: They are compatible with Citroen C5 X7, Renault Scenic 2, and Opel Astra J, and cross reference sockets BAY9S, H21W, 64136, and 12356.
Q: How bright are these LED bulbs compared to halogen?
A: Each pair produces 3000LM and is rated 300% brighter than halogen bulbs with 360° illumination.
Q: Are these bulbs waterproof?
A: Yes, they carry an IP68 waterproof rating and operate at DC 12V.