---
product_id: 47869511
title: "OSRAM ULTRA LIFE P21/5W halogen signal lamp, brake light, rear fog light, 7528ULT-02B, 12 V passenger car, double blister (2 units)"
brand: "osram"
price: "€ 23.18"
currency: EUR
in_stock: true
reviews_count: 13
category: "Osram"
url: https://www.desertcart.hr/products/47869511-osram-ultra-life-p21-5w-halogen-signal-lamp-brake-light
store_origin: HR
region: Croatia
---

# Up to 4x longer lifespan 440 lumens bright output Easy fit BAY15d twin filament OSRAM ULTRA LIFE P21/5W halogen signal lamp, brake light, rear fog light, 7528ULT-02B, 12 V passenger car, double blister (2 units)

**Brand:** osram
**Price:** € 23.18
**Availability:** ✅ In Stock

## Summary

> 🚗 Light up your drive with OSRAM Ultra Life — the bulb that keeps pace with your journey!

## Quick Answers

- **What is this?** OSRAM ULTRA LIFE P21/5W halogen signal lamp, brake light, rear fog light, 7528ULT-02B, 12 V passenger car, double blister (2 units) by osram
- **How much does it cost?** € 23.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/47869511-osram-ultra-life-p21-5w-halogen-signal-lamp-brake-light)

## Best For

- osram enthusiasts

## Why This Product

- Trusted osram brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Brilliant Visibility:** Illuminate your signals and brake lights with a crisp 440 lumen output for enhanced road safety.
- • **Dual Pack Convenience:** Double blister packaging means you’re always prepared with a spare bulb on hand.
- • **Plug & Play Perfection:** Designed for a perfect fit in your vehicle’s rear lighting system—install and forget.
- • **Endurance that Outlasts:** Drive worry-free with bulbs lasting up to 4 times longer than standard halogens.
- • **Cost-Effective Reliability:** Save on replacements and enjoy premium OSRAM quality without the premium price tag.

## Overview

The OSRAM ULTRA LIFE P21/5W halogen signal lamp delivers up to four times the lifespan of standard bulbs, providing 440 lumens of bright, reliable light for rear signal, brake, and fog lights. Featuring a BAY15d twin filament design, it ensures easy installation and a perfect fit for passenger cars. Packaged in a convenient double blister, this 12V, 25W bulb combines durability, cost-efficiency, and premium OSRAM quality to keep you safely illuminated on every drive.

## Description

From the manufacturer Extra durability with OSRAM Ultra Life. OSRAM ULTRA LIFE OSRAM Ultra Life Key Features Longer lifetime Up to 4 times longer than a standard halogen bulb Suitable for all vehicle types More durability and longer replacement cycle Robust and durable no matter if signal lamps or headlight lamps OSRAM ULTRA LIFE: For a longer driving experience The durable light with up to four times longer lifetime. Considered by many as the bulb for life. Lasting up to 4 times longer than conventional halogen car headlight bulbs! OSRAM ULTRA LIFE is the perfect solution when changing the bulb is difficult or if you are driving for long periods using your headlights. With regards to design, ULTRA LIFE is a success all the way. The ULTRA LIFE product range does not just stop at forward lighting applications, it also includes a number of auxiliary bulbs for signal applications. Available as H1, H4, H7, H11, P21W, PY21W, P21/5W, W5W, R5W, R10W, C5W, H6W, HY21W Modern design with silver cap (H4/H7/H11), perfect for clear-glass headlights OSRAM Automotive Selecting the best from an abundance of options. Impressive lifespan and comfort Wide product range Discover the wide range of ULTRA LIFE products. Available for all popular models. The ideal choice for frequent drivers or daytime running lights users and also suitable for clear-glass headlights. Extra lifetime Up to four times longer lifetime compared to standard halogen lamps. Lasting up to 100,000 km (with an average annual mileage of 14,259 km, of which 60% with the light on). More durability For longer replacement cycles and additional reliability and comfort.

Review: cheapest on the market - I recently purchased the OSRAM ULTRA LIFE P21/5W halogen signal lamp, and I must say, it's an outstanding product that exceeded my expectations in every way. Not only is it an excellent and reliable replacement for my car's signal lamp, brake light, and rear fog light, but it also comes at a price that is much more affordable than what I found at Halfords. First and foremost, the performance of this OSRAM ULTRA LIFE lamp is top-notch. The brightness and clarity of the light it emits are remarkable, providing clear signals to other drivers on the road and enhancing overall safety. Its quick response time gives me peace of mind, knowing that other motorists will be able to react promptly to my brake lights or turn signals. Durability is a significant factor for me when it comes to automotive bulbs, and the ULTRA LIFE P21/5W lamp did not disappoint. As the name suggests, these bulbs have an extended lifespan compared to standard halogen bulbs. I've been using them for months now, and they continue to function flawlessly, with no signs of dimming or failure. The installation process was hassle-free, and the double blister packaging is a neat touch, providing extra protection during transportation and storage. It also means that I have a spare bulb on hand in case one ever needs replacement, although I don't foresee needing it anytime soon due to the bulb's impressive longevity. As for the price, I couldn't be happier with the value for money that OSRAM offers. Compared to similar bulbs available at Halfords and other retailers, the ULTRA LIFE P21/5W lamp is notably cheaper without compromising on quality or performance. It's a win-win situation for me, knowing that I've saved some money without sacrificing the safety and reliability of my vehicle's lighting system. In conclusion, the OSRAM ULTRA LIFE P21/5W halogen signal lamp is an excellent choice for any car owner looking to replace their signal, brake, or rear fog light bulbs. Its exceptional performance, extended lifespan, and affordability make it a standout product. If you want a reliable and cost-effective solution for your car's lighting needs, look no further than this OSRAM lamp. I highly recommend it!
Review: Great bulbs - Osram are great bulbs, long lasting, bright and good light color/temperature. Look good at night and are functional and easy to install depending on the car.

## Features

- Genuine Osram original equipment quality
- Up to 3 times longer lifetime compared to a standard bulb
- P21/5W-7528ULT (380) longer lifetime replacement bulb
- 12V 21/5W BAY15d twin filament
- The perfect 'fit and forget' solution where bulb replacements are difficult

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003A66VHM |
| Auto Part Position | Rear |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 21,828 in Automotive ( See Top 100 in Automotive ) 41 in Automotive Daytime Running Lights |
| Brand | OSRAM |
| Brand Name | OSRAM |
| Brightness | 440 Lumen |
| Bulb Base | BAY15D |
| Colour | silver |
| Customer Reviews | 4.5 out of 5 stars 8,889 Reviews |
| EU Spare Part Availability Duration | 1 Years |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 04008321415288 |
| Included Components | no |
| Item Type Name | OS7528ULT-02B |
| Item Weight | 10 Grams |
| Item package quantity | 1 |
| Light Output Maximum | 440 Lumens |
| Light Source Type | LED |
| Light source type | LED |
| Manufacturer | OSRAM |
| Manufacturer Part Number | 7528ULT-02B |
| Model Number | 7528ULT-02B |
| OEM Equivalent Part Number | 12499B2, 1987302202, 7528ULT, 7528ULT-02B, 7528ULT-2BL |
| Operating Life | 800 Hours |
| Package Quantity | 1 |
| Specific Uses For Product | Headlight bulb |
| Specific uses for product | Headlight bulb |
| Unit Count | 2.0 count |
| Voltage | 12 Volts |
| Wattage | 25 watts |

## Product Details

- **Brand:** OSRAM
- **Brightness:** 440 Lumen
- **Light source type:** LED
- **Specific uses for product:** Headlight bulb
- **Wattage:** 25 watts

## Images

![OSRAM ULTRA LIFE P21/5W halogen signal lamp, brake light, rear fog light, 7528ULT-02B, 12 V passenger car, double blister (2 units) - Image 1](https://m.media-amazon.com/images/I/7131m8Pp6iL.jpg)
![OSRAM ULTRA LIFE P21/5W halogen signal lamp, brake light, rear fog light, 7528ULT-02B, 12 V passenger car, double blister (2 units) - Image 2](https://m.media-amazon.com/images/I/51Nwv23l2uL.jpg)
![OSRAM ULTRA LIFE P21/5W halogen signal lamp, brake light, rear fog light, 7528ULT-02B, 12 V passenger car, double blister (2 units) - Image 3](https://m.media-amazon.com/images/I/71zDFodSbBL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: Can the bulbs be used in a fog light for a mk1 focus.?**
A: Yes I have them in just passed MOT !

**Q: Will this fit a ford fiesta zetec 2006 back brake light**
A: These are two pole bulbs I think you need single pole

**Q: Is this one bulb or two? Says 1 piece in title, but says Contents 2 bulbs in description.**
A: there are two pieces

**Q: What size are these bulbs**
A: Length: 37.5mm,  Diameter of glass: 10.5mm

## Customer Reviews

### ⭐⭐⭐⭐⭐ cheapest on the market
*by D***Y on 31 July 2023*

I recently purchased the OSRAM ULTRA LIFE P21/5W halogen signal lamp, and I must say, it's an outstanding product that exceeded my expectations in every way. Not only is it an excellent and reliable replacement for my car's signal lamp, brake light, and rear fog light, but it also comes at a price that is much more affordable than what I found at Halfords. First and foremost, the performance of this OSRAM ULTRA LIFE lamp is top-notch. The brightness and clarity of the light it emits are remarkable, providing clear signals to other drivers on the road and enhancing overall safety. Its quick response time gives me peace of mind, knowing that other motorists will be able to react promptly to my brake lights or turn signals. Durability is a significant factor for me when it comes to automotive bulbs, and the ULTRA LIFE P21/5W lamp did not disappoint. As the name suggests, these bulbs have an extended lifespan compared to standard halogen bulbs. I've been using them for months now, and they continue to function flawlessly, with no signs of dimming or failure. The installation process was hassle-free, and the double blister packaging is a neat touch, providing extra protection during transportation and storage. It also means that I have a spare bulb on hand in case one ever needs replacement, although I don't foresee needing it anytime soon due to the bulb's impressive longevity. As for the price, I couldn't be happier with the value for money that OSRAM offers. Compared to similar bulbs available at Halfords and other retailers, the ULTRA LIFE P21/5W lamp is notably cheaper without compromising on quality or performance. It's a win-win situation for me, knowing that I've saved some money without sacrificing the safety and reliability of my vehicle's lighting system. In conclusion, the OSRAM ULTRA LIFE P21/5W halogen signal lamp is an excellent choice for any car owner looking to replace their signal, brake, or rear fog light bulbs. Its exceptional performance, extended lifespan, and affordability make it a standout product. If you want a reliable and cost-effective solution for your car's lighting needs, look no further than this OSRAM lamp. I highly recommend it!

### ⭐⭐⭐⭐⭐ Great bulbs
*by S***L on 3 July 2025*

Osram are great bulbs, long lasting, bright and good light color/temperature. Look good at night and are functional and easy to install depending on the car.

### ⭐⭐⭐⭐ Reasonably priced, easy to fit, and perform well as brake light bulbs.
*by A***R on 19 November 2024*

💡 The OSRAM ULTRA LIFE brake light bulbs are ECE-certified and in theory are designed for frequent or professional drivers, claiming up to four times the lifespan of standard bulbs, with an operating life of up to 100,000 km. I think that this is artistic licence and largely irrelevant. In reality they were reasonably priced and fit perfectly into my car's socket and light housing without any issues. I typically purchase bulbs from a local automotive retailer, but these matched my car's specifications and performed as expected. While I cannot yet verify their durability, I am satisfied with their initial performance. I replaced only the failed bulb and kept the second one as a spare, although replacing both is generally recommended. ✔️

## Frequently Bought Together

- OSRAM Performance Bulbs - P21/5W 12V 21/5W (380L) - Long Life BAY15d - ULTRA LIFE - 7528ULT-02B
- Philips Automotive Lighting P21W LongerLife Miniature Bulb, 2 Pack,White,12498LLB2
- Philips 12496 LongerLife Miniature Bulb, 2 Pack

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-05*