# Automotive LED bulb Amio P21W / PY21W (BAU15s) – dual-function daytime running light and amber turn signal

**URL:** https://aio.lv/en/product--amio-ami-02451--11924696
**Data updated:** 2026-03-10 09:32 (EET)
**Category:** LED Bulbs
**Manufacturer:** Amio
**Manufacturer code:** AMI-02451
**EAN:** 5903293024515
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 23.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--amio-ami-02451--11924696

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Amio P21W / PY21W BAU15s LED bulb designed for automotive use as a dual-function daytime running light and amber turn signal. The bulb fits BAU15s sockets and provides LED-based illumination suitable for DRL and indicator applications. It replaces conventional P21W/PY21W lamps, offering long life and low power consumption while maintaining required signal color for turn indication.

## Long description

The Amio P21W / PY21W (BAU15s) LED bulb is a dual-function automotive lamp designed to serve as a daytime running light and an amber turn signal. Built to fit standard BAU15s sockets, this LED replacement provides consistent light output with lower power consumption and longer service life compared to conventional incandescent P21W/PY21W lamps. The bulb preserves the required amber signal color for turn indication while delivering white or daylight tones suitable for DRL applications.
Advantages
This Amio LED bulb combines two lighting functions in a single BAU15s-compatible unit, reducing the need for separate lamps. It consumes less electrical power than traditional bulbs and generates less heat, contributing to longer component life. The LED construction offers improved shock resistance and a longer operational lifespan, while maintaining clear amber signaling for turn indicators. Installation is straightforward in matching sockets without modification.
Suitable for
 Vehicles with BAU15s sockets requiring P21W/PY21W replacements
 Daytime running light applications where low power draw is preferred
 Amber turn signal circuits that require a distinct signal color
 Owners seeking a durable, vibration-resistant lighting solution
Key specifications
 Base type: BAU15s (bayonet single-contact)
 Function: Dual-mode — daytime running light and amber turn signal
 Light source: LED
 Color output: White/daylight for DRL function and amber for turn signal
 Power consumption: Significantly lower than equivalent incandescent lamps
 Mechanical fit: Designed to replace P21W/PY21W form-factor bulbs
How to use
Ensure the vehicle socket is BAU15s and the electrical circuit is compatible with LED replacements. Remove the original P21W/PY21W bulb by depressing and twisting the bayonet base, then insert the Amio LED bulb into the socket and rotate until it locks. Check that polarity and function are correct: the bulb should operate as a daytime running light in the DRL circuit and display amber when the turn signal is activated. If hyperflashing or error messages occur on the vehicle’s dashboard, use a compatible resistor or CAN-bus adapter as required by the vehicle electronics.
Usage recommendations
Install matching bulbs on both sides of an axle to maintain balanced lighting appearance and to ensure consistent signal visibility. Verify local vehicle lighting regulations before use and, if necessary, consult a professional installer to confirm compatibility with the vehicle’s electrical system.

## FAQ

### How much does the Amio P21W / PY21W (BAU15s) LED bulb cost, and is it available for purchase?

The price is 28.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 868 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 07.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Amio products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Amio service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11924696/67356146_large.webp