# OSRAM 24V 21/5W BAY15D brake light bulb

- **Brand:** [OSRAM](https://autotools.ee/en/brands/osram)
- **Product code:** 7537
- **EAN:** 4050300838038
- **Price:** ~~€1.90~~ €1.71 incl. VAT
- **Availability:** 5+ available · ready in Tallinn in 1–2 working days
- **Category:** [Spare parts](https://autotools.ee/en/c/car-parts) > [Car lighting](https://autotools.ee/en/c/car-lighting) > [Car bulbs](https://autotools.ee/en/c/car-bulbs) > [Indicator and brake light bulbs](https://autotools.ee/en/c/signal-brake-bulbs)
- **Link:** https://autotools.ee/en/products/osram-24v-21-5w-bay15d-pidurituli

## Description

OSRAM ORIGINAL - METAL BASE P21/5W is a 24 V brake light bulb with a BAY15d metal base and two filaments, 21 W and 5 W, ECE category P21/5W. It is one of OSRAM's original spare parts for trucks. In a truck, you use metal base lamps from this range in the indicator, brake, fog and reversing lights and for number plate lighting.

Where two values are given, the first applies to the 21 W filament and the second to the 5 W filament.

**Technical data**

- Series: ORIGINAL
- ECE category: P21/5W
- Lamp base: BAY15d
- Nominal voltage: 24 V
- Nominal wattage: 21/5 W
- Power input: 28 / 10 W (tolerance ±6 / ±10 %)
- Test voltage: 28.0 V
- Nominal luminous flux: 440/40 lm (tolerance ±15 / ±20 %)
- Length: 52.5 mm
- Diameter: 27.0 mm
- Weight: 8.10 g
- Lifespan B3: 65 / 600 h
- Lifespan Tc: 600 / 1600 h

## Specifications

| Attribute | Value |
| --- | --- |
| Bulb base | BAY15d |
| ECE category | P21/5W |
| Technology | Halogeen |
| Voltage | 24 V |

## How it gets to you

- **I'll collect it, Tallinn:** Free · Usually ready in 1–2 working days
- **Parcel machine:** from €2.47 · free from €100.00 · Delivery in 1–3 business days
- **Courier:** from €6.82 · free from €100.00 · Delivery in 2–5 business days