# OSRAM ULTRA LIFE HY21W 12V 21W BAW9S yellow signal lamp

- **Brand:** [OSRAM](https://autotools.ee/en/brands/osram)
- **Product code:** 64137ULT
- **EAN:** 4052899910256
- **Price:** ~~€12.90~~ €11.61 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-12v-21w-baw9s-ult-kollane

## Description

The OSRAM ULTRA LIFE HY21W is a yellow 12 V signal lamp with a BAW9s base. It lasts up to four times longer than standard lamps: OSRAM rates it at up to 100,000 km, based on 14,259 km a year with the lights on 60% of the time.

**Technical data**

- Series: ULTRA LIFE
- Voltage: 12 V
- Test voltage: 13.5 V
- Power: 21 W
- Power input: 25 W maximum
- Nominal luminous flux: 300 lm (±17%)
- Lamp base: BAW9s
- ECE category: HY21W
- Colour: yellow
- Approval mark: E1
- Diameter: 9 mm
- Length: 38.9 mm
- Weight: 2.68 g
- Lifespan B3: 400 h
- Lifespan Tc: 700 h

## Specifications

| Attribute | Value |
| --- | --- |
| Bulb base | BAW9s |
| ECE category | HY21W |
| Luminous flux | 300 lm |
| Power | 21 W |
| Technology | Halogeen |
| Voltage | 12 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