# Automotive bulb Osram 7511 P21W 21W 24V BA15s single-filament vehicle lamp

**URL:** https://aio.lv/en/product--osram-4050300838090--12234972
**Data updated:** 2026-03-29 16:21 (EEST)
**Category:** Car Supplies
**Manufacturer:** osram
**Manufacturer code:** 4050300838090
**EAN:** 4050300838090
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--osram-4050300838090--12234972

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Osram 7511 is a single-filament automotive indicator lamp with P21W specification, rated 21W and 24V with a BA15s (bayonet) base. Designed for vehicle signalling and brake/indicator applications, it provides standard incandescent light output compatible with 24V electrical systems. Suitable for trucks, buses and commercial vehicles requiring P21W BA15s bulbs.

## Long description

Osram 7511 P21W 21W 24V BA15s single-filament vehicle lamp is an incandescent automotive signal bulb designed for 24V electrical systems. This P21W lamp uses a BA15s bayonet base and a single filament to provide steady light output for signalling and position applications on commercial vehicles such as trucks and buses. The lamp delivers the established light characteristics of a standard incandescent indicator lamp and is compatible with fixtures requiring a P21W BA15s form factor.
Advantages
The lamp offers OEM-quality construction and consistent luminous performance suitable for replacement and maintenance tasks. Its standard P21W electrical rating and BA15s mechanical base ensure straightforward installation and reliable contact in compatible sockets. The single-filament design provides a stable light source for turn indicators, brake lights and position lamps in 24V vehicle systems.
Suitable for
 Turn indicators on trucks and buses
 Brake and tail light circuits in commercial vehicles
 Parking and position lights, including side marker lamps
 Reversing and fog lamp applications where P21W bulbs are specified
 Number plate illumination in 24V systems
Key specifications
 Wattage: 21 W
 Nominal voltage: 24 V
 Base type: BA15s (single-contact bayonet)
 Filament: single filament
 Bulb type: P21W incandescent
 Intended use: automotive signalling and position lighting
How to use
Ensure the vehicle’s electrical system is 24 V and select the fixture designed for P21W BA15s bulbs. Remove the old bulb by depressing and twisting the bayonet base, then align the bayonet pins of the new Osram 7511 lamp with the socket slots and press-and-twist until it locks into place. Verify correct lamp seating and test the relevant circuit (indicator, brake, parking or reversing light) to confirm operation. Replace bulbs with identical specifications to maintain proper circuit performance.
Usage recommendations
Use this lamp in fixtures rated for 24 V and P21W BA15s bulbs. Avoid touching the glass envelope with bare hands during installation to prevent contamination that can affect bulb life. Replace bulbs in matching pairs on multi-lamp circuits where consistent light output is required for safety and visibility.

## Specifications

| Feature | Value |
|---|---|
| Package dimensions (WxDxH) | 47 x 21 x 23 |
| Package weight | 18 g |
| Input voltage | 24 |
| Diameter | 26.5 mm |
| Power | 28 W |
| Luminous flux | 460 lm |
| Fitting/cap type | P21W |
| Length | 5.25 cm |
| Base type | BA15s |
| Bulb lifetime | 200 h |
| Vehicle bulb application | Parking light |

## FAQ

### How much does the Automotive bulb Osram 7511 P21W 21W 24V cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 73 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 06.07.2026 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 osram 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 osram 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

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