AILEO 3157 Switchback LED Bulbs White/Amber, 360° HD Lens CSP, CANBUS No Hyper Flash, 800% Brighter DRL & Front Turn Signal, Fits 3157 3057 3457 4157 3757A T25 Standard Socket (2-Pack) — Open-Box, 14% Off

① Ultra Bright Dual Color 360 Degree Output, Up to 800 Percent Brighter AILEO 3157 switchback LED bulbs provide white DRL and bright amber turn signal in one bulb. The 360 degree HD lens and CSP chips produce stronger visibility than halogen. Built in CANBUS IC helps reduce flicker, fast blink, and warning errors. Fits standard sockets including 3157, 3157A, 3057, 3057A, 3457, 3457A, 4157, 4157NA, 3757, 3155, 3357, 3454, 3357NA. Not for CK wiring. ② CANBUS Ready and Built-In Resistor for Stable Performance AILEO 3157 switchback bulbs feature an upgraded CANBUS IC and internal load balancing design to prevent hyper flash and reduce dashboard warning errors on most 12V vehicles. No external resistors or wiring changes are required. This design solves common LED issues such as flicker, fast flash, and mode switching failure, making it a reliable replacement for halogen 3157 bulbs. ③ Intelligent Cooling System with Long Service Life AILEO bulbs use an aviation grade aluminum body with enhanced heat sink structure and a smart temperature control chip to maintain stable cooling during long DRL or turn signal use. This thermal system helps prevent overheating, dimming, and early failure. Rated up to 60000 hours, these bulbs last longer than halogen or basic LEDs in daily driving conditions. ④ True 5-Minute Plug-and-Play · 1:1 OEM Halogen Size Designed with precise 1:1 halogen dimensions, AILEO 3157 LED bulbs fit directly into OEM 3157 dual-filament sockets with no modifications. ✔ No rewiring ✔ No polarity issues ✔ No external decoder needed ✔ Fits front & rear housings Just remove your old bulb, plug in the new LED, and enjoy instant-response switchback lighting. Compatible with replacing: 3057, 3156, 3457, 4057, 4157, 3757, and more. ⑤ Fitment Guidance + Dedicated Customer Support These AILEO bulbs fit all standard (non-CK) 3157 sockets. ⚠ Important: Some vehicles use CK-type wiring for front turn signals. Please verify before purchase to avoid compatibility issues. AILEO provides responsive support for installation, hyper-flash troubleshooting, wiring questions, and compatibility checks—ideal for upgrades such as LED switchback turn signals, amber DRL kits, 3157 parking light bulbs, and dual-color automotive lighting.

Key Specifications

Brightness: Up to 800% brighter than halogen, full 360° illumination

LED Chips: High-power 7535 + 1860 CSP

Cooling: 12,000 RPM turbo fan + aviation-grade aluminum

Voltage: 12V vehicle systems

Color: White (DRL / Parking) & Amber (Turn Signal) switchback

Lifespan: 60,000 hours

Compatible Sockets: 3157 / 3157A / 3157NA / 3057 / 3457 / 4157 / P27/7W (standard socket only; NOT fit 3156)

CANBUS: Intelligent IC for reduced hyper-flash Features

➤ Ultra-Bright 360° Output with Patented Optics

The HD lens and CSP chips project a clean, uniform 360° beam—crisp white for DRL/parking lights and high-contrast amber for turn signals, improving visibility in all driving conditions.

➤ Turbo Cooling for Maximum Durability

Aviation-grade aluminum housing + 12,000 RPM fan prevents overheating during long flashing cycles, extending real-world lifespan far beyond basic LED or halogen bulbs.

➤ CANBUS Enhanced — Anti Hyper-Flash (Most Vehicles)

The built-in Intelligent IC driver stabilizes current, reduces error codes, and prevents fast blinking on most vehicles—no external resistors needed in most cases.

➤ True Switchback White/Amber Design

White mode: Daytime running light (DRL) / parking light

Amber mode: Turn signal

The bulb automatically returns to white after a turn is completed.➤ Plug & Play — 5-Minute Installation

1:1 halogen size, fits directly into standard 3157/3457/4157 sockets.

No polarity issues, no wiring modification, and no resistors needed for most cars.

 Installation Notes

NOT compatible with 3156 or single-filament sockets.

Some highly sensitive vehicles may still require additional load resistors for perfect anti-hyper-flash.

If the bulb does not light, remove and rotate 180°. Package Includes

2 × AILEO 3157 Switchback White/Amber LED Bulbs