---
product_id: 345713216
title: "Bosch PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 2 Bulbs"
brand: "bosch"
price: "€ 11.53"
currency: EUR
in_stock: true
reviews_count: 5
category: "Bosch"
url: https://www.desertcart.sk/products/345713216-bosch-py21w-581-pure-light-car-light-bulbs-12-v
store_origin: SK
region: Slovakia
---

# Long service life 12V, 21W power BAU15s base type Bosch PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 2 Bulbs

**Brand:** bosch
**Price:** € 11.53
**Availability:** ✅ In Stock

## Summary

> 💡 Light up your drive with Bosch Pure Light – where quality meets confidence!

## Quick Answers

- **What is this?** Bosch PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 2 Bulbs by bosch
- **How much does it cost?** € 11.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/345713216-bosch-py21w-581-pure-light-car-light-bulbs-12-v)

## Best For

- bosch enthusiasts

## Why This Product

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

## Key Features

- • **ECE Approved Safety:** Meets strict European safety standards for peace of mind every drive.
- • **Trusted Bosch Quality:** Join thousands of satisfied drivers who rely on Bosch’s proven automotive lighting expertise.
- • **Durability Meets Value:** Crafted with premium materials for extended lifespan without breaking the bank.
- • **Pure Light Performance:** Experience crisp, reliable illumination that keeps you visible and safe on the road.
- • **Universal Compatibility:** Fits a wide range of vehicles with BAU15s sockets—front and rear signal lights covered.

## Overview

Bosch PY21W (581) Pure Light car light bulbs deliver 12V and 21W power with a BAU15s base, designed for front and rear signal lights. Engineered for long-lasting performance and ECE-approved safety, these bulbs offer premium illumination compatible with multiple vehicle models, backed by Bosch’s trusted automotive legacy.

## Description

Bosch - car light bulbs Pure Light 1987301018ECE: PY21W (581)Voltage: 12 VPower: 21 WBase type: BAU15sThese bulbs are suitable for:Front signal lightRear signal lightPlease refer to your vehicle manual

Review: Bombillas de intermitente estándar, pero de buena calidad. Alumbran perfectamente.
Review: Comme sur la description

## Features

- Bulbs with Original Equipment Quality
- Suitable for all types of vehicles with different needs
- Long service life: thanks to the high quality materials and components used
- Good price-quality ratio
- ECE approved.Available in C5W, H6W, K10W (Sof. 10W), P21W, PY21W, P21/4W, P21/5W, R5W, R10W, T4W, W3W, W5W, WY5W, W16W, W21W, W21/5W, W1,2W.Quany: 2 bulbs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003JY8268 |
| Best Sellers Rank | #16,119 in Automotive ( See Top 100 in Automotive ) #2 in Car Lighting Angel Eyes |
| Brand | BOSCH |
| Bulb Type | Incandescent |
| Customer Reviews | 4.7 4.7 out of 5 stars (4,985) |
| Date First Available | 5 September 2012 |
| Item Weight | 9 g |
| Item model number | 1 987 301 018 |
| Manufacturer | Bosch |
| Manufacturer Part Number | 1987301018 |
| Mirror Lighting Type | PY21W |
| Model | 1987301018 |
| OEM Part Number | AUDI%N10256401, MERCEDES-BENZ%A0015449194, RENAULT%7703097178, SEAT%N10256401, SKODA%N10256401 |
| Position | Rear |
| Product Dimensions | 0.67 x 0.32 x 1.35 cm; 9 g |
| Safety Rating | INMETRO: 006395/2021 |
| Voltage | 12 Volts |
| Wattage | 21 watts |

## Product Details

- **Brand:** BOSCH
- **Item package quantity:** 1
- **Light source type:** Incandescent
- **Specific uses for product:** Headlight bulb
- **Wattage:** 21 watts

## Images

![Bosch PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 2 Bulbs - Image 1](https://m.media-amazon.com/images/I/61oF+4w+UFL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by I***Z on 18 January 2026*

Bombillas de intermitente estándar, pero de buena calidad. Alumbran perfectamente.

### ⭐⭐⭐⭐⭐ Review
*by D***E on 29 August 2025*

Comme sur la description

### ⭐⭐⭐⭐⭐ Review
*by Ö***N on 25 June 2025*

Prisvärda

## Frequently Bought Together

- Bosch PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 2 Bulbs
- Bosch P21W (382) Pure Light Car Light Bulbs - 12 V 21 W BA15s - 2 Bulbs
- Bosch H7 (477) Pure Light Headlight Bulbs - 12 V 55 W PX26d - 2 Bulbs

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**Shop now:** [https://www.desertcart.sk/products/345713216-bosch-py21w-581-pure-light-car-light-bulbs-12-v](https://www.desertcart.sk/products/345713216-bosch-py21w-581-pure-light-car-light-bulbs-12-v)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-27*