---
product_id: 345713216
title: "PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 2 Bulbs"
brand: "bosch"
price: "€ 11.16"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/345713216-py21w-581-pure-light-car-light-bulbs-12-v-21
store_origin: SK
region: Slovakia
---

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

**Brand:** bosch
**Price:** € 11.16
**Availability:** ✅ In Stock

## Summary

> 💡 Light up your drive with Bosch Pure Light – because your car deserves the best signal.

## Quick Answers

- **What is this?** PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 2 Bulbs by bosch
- **How much does it cost?** € 11.16 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-py21w-581-pure-light-car-light-bulbs-12-v-21)

## 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

- • **Dual Functionality:** Perfect for both front and rear signal lights, enhancing your car’s visibility and safety.
- • **Trusted OEM Quality:** Bosch original equipment quality trusted by top automotive brands like Audi and Mercedes.
- • **Durability Meets Value:** Crafted with premium materials ensuring extended lifespan without breaking the bank.
- • **Pure Light Performance:** ECE-approved bulbs delivering crisp, reliable signaling for your vehicle.
- • **Universal Compatibility:** Fits a wide range of car models with BAU15s base type for seamless installation.

## Overview

Bosch PY21W (581) Pure Light car light bulbs are 12V, 21W incandescent bulbs with a BAU15s base, designed for front and rear signal lights. ECE-approved and crafted with high-quality materials, these bulbs offer long-lasting performance and fit a variety of vehicle models, ensuring reliable signaling and safety on the road.

## Description

Bosch PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 2 Bulbs

## 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 |
|---------------|-------|
| Manufacturer | Bosch |
| Brand | BOSCH |
| Model | 1987301018 |
| Product Dimensions | 0.67 x 0.32 x 1.35 cm; 9 g |
| Item model number | 1 987 301 018 |
| Manufacturer Part Number | 1987301018 |
| OEM Part Number | AUDI%N10256401, MERCEDES-BENZ%A0015449194, RENAULT%7703097178, SEAT%N10256401, SKODA%N10256401 |
| Position | Rear |
| Bulb Type | Incandescent |
| Mirror Lighting Type | PY21W |
| Safety Rating | INMETRO: 006395/2021 |
| Voltage | 12 Volts |
| Wattage | 21 watts |
| Item Weight | 9 g |

## Product Details

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

## Images

![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.

## 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-py21w-581-pure-light-car-light-bulbs-12-v-21](https://www.desertcart.sk/products/345713216-py21w-581-pure-light-car-light-bulbs-12-v-21)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-07*