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Auxbeam B21 Series 7440 LED Bulbs White Built in Resistor Error Free
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 24, 2026 10:14 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
AUXPOWER
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓CANBUS ERROR FREE: Super compatible for most Vehicles. No hyper flash, no errors, no warning. With built-in CANBUS system, these 7440 white bulbs can directly alleviate decoding problems without trouble to prepare external resistors. Note: Auxbeam offers 1-year warranty. For some super few sensitive models or if you used them as the turn signal/brake light for Pickup/Truck/Lorry, extra resistors may be needed or you can message us to get
✓600% EXTREMELY BRIGHT: Sequencing 36PCs Upgraded high brightness 3030 SMD chips precisely around each 7440 led bulb, 28W per bulb, High Power and 600% brighter, providing 6000K White light for Reverse Light. Stronger light output for 40% more visibility than ordinary leds. Instant-on response without warm-up time
✓360°FULL CLEAR BEAM: Each 7440 led bulb provides 360° full illumination without dark spot or shadow. Compatible for both US standard rather than CK sockets. Fit socket 7440, 7440A, 7440NA, 7440AL, 7440LL, 7441, 992, W21W, WY21W, etc. No polarity, no drilling, no wiring, no damage, just Plug and Play. If any questions or flashing issues, please message us for free solutions.
✓4-LAYER COOLING SYSTEM: IP68 waterproof and dustproof. The built-in stable current IC driver avoids digital or VHF radio signal interference. The latest cooling system - 12,000RPM silent fan + Copper cooling ring + 16PCs heat sinks + 6063 aviation aluminum lamp body directly doubles heat dissipation.
✓SPACE ATTENTION: The length of B21 series 7440 bulb is about 2.44in/62mm, so the bulb is longer than a halogen 7440 bulb. Please make sure there is enough installation space before purchase. For Chevrolet Silverado, Custom Trail Boss
⚙️ Specifications
Brand
Auxbeam
Light Source Type
LED
Color Temperature
6000 Kelvin
Color
White
Fit Type
Universal Fit
Item Highlight
Anti Hyper Flash, 600% Bright, 7441 992 W21W WY21W Bulbs with Fan, Backup Reverse Light, Turn Signal Light DRL Parking Light
Brand Name
Auxbeam
Manufacturer Part Number
XD000733
Operating Life
60000 hours
Manufacturer
Auxbeam
Unit Count
2 Count
