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B21 Series Switchback

Product ID: 526238272

Details

Brand
Auxbeam
Color Temperature
6500 Kelvin
Light Source Type
LED
Specific Uses For Product
Daytime Light
Wattage
28 watts

💡600% brighter output

❄️4-layer cooling system

🛡️CANBUS error-free tech

£48.37

Duties & taxes included

In stock

Sold byAmazon UKDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Light Up Your Drive, Command the Road!

PLUG PLAY ZERO ERROR - Built-in CANBUS resistor ensures no hyper flash or warning lights on standard US sockets—hassle-free upgrade.
360 FULL BEAM COVERAGE - No dark spots or shadows—complete illumination for enhanced road safety and unmistakable signaling.
ADVANCED THERMAL MANAGEMENT - Quad-layer cooling with silent 12,000RPM fan, copper ring, heat sinks & aviation aluminum for 60,000-hour lifespan.
DUAL COLOR SWITCHBACK MAGIC - Seamlessly switch between crisp 6500K white for DRL/parking and vivid amber for turn signals—stand out safely.
BRILLIANTLY BRIGHT NOTICEABLE - 600% brighter 28W LEDs with 36 premium 3030SMD chips for instant-on, high-impact visibility.

Auxbeam B21 Series 3157 Switchback LED Bulbs deliver ultra-bright dual-color lighting with built-in CANBUS error-free technology, advanced cooling for longevity, and 360-degree full illumination. Designed for easy plug-and-play installation on standard US sockets, these bulbs enhance vehicle safety and style with instant-on white and amber signals, perfect for the discerning driver who demands performance and reliability.

Specifications

ASIN	B0BZ45WLRZ
Auto Part Position	Front
Automotive Fit Type	Universal Fit
Best Sellers Rank	#10,068 in Automotive ( See Top 100 in Automotive ) #19 in Automotive Turn Signal Bulbs
Brand Name	Auxbeam
Color	Amber White
Color Temperature	6500 Kelvin
Customer Reviews	4.3 4.3 out of 5 stars (1,747)
Fit Type	Universal Fit
Included Components	2x 3157 LED Bulbs
Item Highlight	White and Amber, Anti Hyper Flash, 600% Bright, T25 3057 3457 4157 Bulbs with Fan, Turn Signal Light Light DRL Parking Light
Light Source Type	LED
Manufacturer	Auxbeam
Manufacturer Part Number	B21-3457-AW
Manufacturer Warranty Description	1 Year Warranty
Model Number	AUXBEAM-B21-3157
OEM Equivalent Part Number	3047, 3047R, 3057, 3057A, 3057R, 3057NA, 3157, 3157A, 3157R, 3157K, 3157NA, 3157NAK, 3157NALL, 3357, 3457, 3457A, 4057, 4057R, 4157, 4157A, 4157R, 4114, 4144, T25
Operating Life	60000 hours
Package Quantity	1
Specific Uses For Product	Daytime Running Light, Indicator Light, Parking Light
Unit Count	2 Count
Voltage	12 volts_of_direct_current
Wattage	28 watts

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

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3 days ago

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£48.37

Duties & taxes included

In stock

Sold byAmazon UKDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to UK.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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