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header-product Automotive dual-filament light bulb 12V 21/5W pair — Grundig Automotive stop/tail lamp
2.99 €

Automotive dual-filament light bulb 12V 21/5W pair — Grundig Automotive stop/tail lamp

Automotive dual-filament bulb 12V 21/5W — Grundig Automotive Photo 1
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Automotive dual-filament light bulb 12V 21/5W pair — Grundig Automotive stop/tail lamp

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Automotive dual-filament light bulb 12V 21/5W pair — Grundig Automotive stop/tail lamp

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Short description

Pair of Grundig Automotive dual-filament automotive light bulbs, 12 V 21/5 W, designed for stop (brake) and tail (position) lamp applications. Each bulb contains two filaments for separate high (21 W) and low (5 W) intensity circuits, suitable for rear combination lamps on passenger vehicles. Simple replacement bulbs for maintaining brake light and tail light functions.
Available for order: 252 pcs.
Warranty: 2 Years
SKU: 10783903
Manufacturer: Grundig Automotive
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
27.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
30.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
30.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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Product information

Description

Auto light bulb 12V 21/5W pair Grundig Automotive — dual-filament stop/tail lamp. These BAY15d P21/5W bulbs are designed for rear stop and tail lamps and operate at 12 V. The package contains two bulbs suitable for vehicles requiring a dual-filament 21/5W lamp.

Advantages

Dual-filament design provides both brake (21W) and tail (5W) functions in a single bulb, simplifying replacement and ensuring correct fit in BAY15d sockets. The bulbs conform to standard 12 V automotive voltage and are supplied as a pair for convenient installation on both sides of the vehicle.

Suitable for

  • Rear brake lights
  • Rear tail/parking lights
  • Vehicles requiring BAY15d / P21/5W dual-filament bulbs

Key specifications

  • Type: P21/5W (BAY15d) dual-filament bulb
  • Voltage: 12 V
  • Power: 21 W (brake) / 5 W (tail)
  • Quantity: 2 bulbs per package
  • Brand: Grundig Automotive
  • MPN: 2327433
  • EAN: 8711252327433

How to use

Switch off the vehicle ignition before replacing bulbs. Remove the rear lamp cover or access panel, extract the old BAY15d bulb by pulling and twisting as required by your lamp design, and insert the new dual-filament P21/5W bulb into the socket ensuring correct alignment. Refit the lamp cover and test both brake and tail light functions to confirm correct installation.

Usage recommendations

Handle bulbs with clean hands or gloves to avoid contaminating the glass. Replace bulbs in matched pairs when possible to maintain even light output and colour on both sides of the vehicle.

Description

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Customer questions

FAQ

How much does the Automotive dual-filament bulb 12V 21/5W — Grundig Automotive cost, and is it available for purchase?

The price is 2.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 252 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 27.07.2026 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 Grundig Automotive 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 Grundig Automotive 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.