---
product_id: 48459602
title: "Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W, Original Quality - Socket Type BAU15s - Pack of 2 Replacement Car Light Bulbs"
brand: "bosch"
price: "AR$17495"
currency: ARS
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.ar/products/48459602-bosch-py21w-581-pure-light-halogen-headlight-bulbs-12-v
store_origin: AR
region: Argentina
---

# 12V 21W bright output Easy plug & play BAU15s socket ECE approved safety standard Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W, Original Quality - Socket Type BAU15s - Pack of 2 Replacement Car Light Bulbs

**Brand:** bosch
**Price:** AR$17495
**Availability:** ✅ In Stock

## Summary

> 💡 Light up your drive with Bosch Pure Light – clarity that commands the road!

## Quick Answers

- **What is this?** Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W, Original Quality - Socket Type BAU15s - Pack of 2 Replacement Car Light Bulbs by bosch
- **How much does it cost?** AR$17495 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/48459602-bosch-py21w-581-pure-light-halogen-headlight-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

- • **Simple Installation:** Quick swap with no tools needed—just remember gloves to maximize bulb lifespan.
- • **Dual-Pack Convenience:** Replace both rear bulbs simultaneously to maintain balanced lighting and avoid frequent workshops.
- • **Trusted Bosch Quality:** Original equipment manufacturer reliability trusted by premium car brands like Audi and Mercedes.
- • **Pure Light Performance:** Experience crisp, broad illumination for safer night drives and dusk visibility.
- • **Seamless Compatibility:** Designed to fit perfectly with BAU15s sockets and OEM standards for hassle-free replacement.

## Overview

Bosch PY21W Pure Light halogen bulbs deliver reliable 12V 21W illumination with ECE safety approval, engineered for easy installation and OEM compatibility. Sold in pairs, these bulbs ensure balanced rear lighting, enhancing visibility and safety for professional drivers who demand quality and performance.

## Description

Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W, Original Quality - Socket Type BAU15s - Pack of 2 Replacement Car Light Bulbs

## Features

- Embrace simplicity: The Bosch Pure Light range offers a good price-performance ratio without compromising on quality, making it the preferred choice of many drivers
- Reliable: The PY21W Pure Light offers a broad spread and safer driving from the faintest dusk to the darkest nights
- Easy installation: Respect precautions and use gloves, touching the bulb with your fingers may shorten its lifespan
- Tip: Each bulb has a similar lifespan, we recommend replacing your headlights in pairs to prevent any light imbalances and to avoid another visit to the workshop in a short time
- Compatibility matters: To enjoy a safe and smooth ride on the road check the bulb type (e.g. PY21W) on your current bulbs and adhere to all restrictions to ensure the correct fit
- Scope of delivery: Each pack includes 2 PY21W, ECE approved halogen 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 |
| Mirror lighting type | PY21W |
| Safety rating | INMETRO: 006395/2021 |
| Voltage | 12 Volts |
| 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

![Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W, Original Quality - Socket Type BAU15s - Pack of 2 Replacement Car Light Bulbs - Image 1](https://m.media-amazon.com/images/I/61oF+4w+UFL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is the glass amber coloured or is the amber a covering over the bulb?**
A: I think the bulb was amber in colour. Sorry it's so long ago since I changed them.

**Q: Is the glass amber or does it have an amber film? Thanks**
A: No

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by C***O on 6 January 2025*

Bought as a replacement for existing indicator bulbs. Great product, no errors when installed. Great value for money

### ⭐⭐⭐⭐⭐ Blinking
*by J***N on 9 February 2024*

These bulbs are good quality and meet the OEM manufacturers specific requirements for my car lights.These are great quality bulbs and well packaged to keep them safe from damage.Bulbs themself are easy to install and they are very bright.I have had no problems with them so far and I'm confident they will last as long they advertised to.I always trust the Bosch brand and is known for quality and durability products and I will buy again.

### ⭐⭐⭐⭐ Blinking good
*by J***P on 7 July 2025*

The bulbs fit and work as good as any original parts. We bought a pack of two for our Peugeot 306 1999 model. They blinking good value for money.

## 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.com.ar/products/48459602-bosch-py21w-581-pure-light-halogen-headlight-bulbs-12-v](https://www.desertcart.com.ar/products/48459602-bosch-py21w-581-pure-light-halogen-headlight-bulbs-12-v)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-01-23*