---
product_id: 459750511
title: "Bosch -PY21W (- 581) LED Retrofit Car Light Bulbs - 12 V 1 W BAU15s - 2 Bulbs"
brand: "bosch"
price: "S$76"
currency: SGD
in_stock: true
category: "Bosch"
url: https://www.desertcart.sg/products/459750511-bosch-py21w-581-led-retrofit-car-light-bulbs-12-v
store_origin: SG
region: Singapore
---

# ultra long lifespan 80% less energy consumption 100 lumens bright output Bosch -PY21W (- 581) LED Retrofit Car Light Bulbs - 12 V 1 W BAU15s - 2 Bulbs

**Brand:** bosch
**Price:** S$76
**Availability:** ✅ In Stock

## Summary

> 🚗 Light up your drive with Bosch brilliance—because your signals deserve to be seen.

## Quick Answers

- **What is this?** Bosch -PY21W (- 581) LED Retrofit Car Light Bulbs - 12 V 1 W BAU15s - 2 Bulbs by bosch
- **How much does it cost?** S$76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/459750511-bosch-py21w-581-led-retrofit-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

- • **Plug & Play Upgrade:** Simple retrofit design lets you swap halogen for LED bulbs effortlessly—no mechanic needed.
- • **Eco-Smart Efficiency:** Slash your energy use by 80% compared to halogen bulbs—drive greener without compromising performance.
- • **Style Meets Function:** Amber LED glow adds a modern edge to your car’s rear indicators, perfect for the discerning driver.
- • **Durability That Lasts:** Engineered for an ultra long lifespan, reducing replacements and keeping you road-ready.
- • **Brighter Signals, Safer Roads:** Enhance your vehicle’s visibility with 100 lumens of crisp amber light for confident signaling.

## Overview

Bosch PY21W LED retrofit bulbs deliver 100 lumens of bright amber light with 80% less energy consumption than halogen bulbs. Designed for easy vehicle-specific installation, these 12V, 1W bulbs offer a long lifespan and enhanced road safety by improving turn signal visibility. Ideal for interior and off-road use, they bring a modern, efficient upgrade to your car’s lighting system.

## Description

Buy Bosch -PY21W (- 581) LED Retrofit Car Light Bulbs - 12 V 1 W BAU15s - 2 Bulbs at desertcart UK. Free delivery on eligible orders.

## Features

- For brighter traffic lights
- Signal your movements with brighter turn signal lights for greater safety
- Replacing a halogen bulb with a retrofit LED bulb is very simple
- Very long lifespan
- Energy consumption reduced by 80 percent compared to the halogen technology
- Not ECE approved: LED Retrofit technology is not approved by the European regulation, LED Retrofit bulbs are only allowed for interior lighting and off-road driving
- Quantity: 2 bulbs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08QZV9874 |
| Auto Part Position | Rear |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 5,468 in Automotive ( See Top 100 in Automotive ) 1 in Car Angel Eyes |
| Brand Name | Bosch |
| Brightness | 100 lumen |
| Colour | Amber |
| Customer Reviews | 3.4 3.4 out of 5 stars (43) |
| Fit Type | Vehicle Specific Fit |
| Light Output Maximum | 100 Lumens |
| Light Source Type | LED |
| Manufacturer | Bosch |
| Manufacturer Part Number | 1987301520 |
| Model Number | 1987301520 |
| Number of Items | 1 |
| Package Quantity | 1 |
| Part Interchange Info | replacement |
| Specific Uses For Product | Interior Light |
| Unit Count | 1.0 count |
| Voltage | 12 Volts |
| Wattage | 1 watts |

## Product Details

- **Brand:** Bosch
- **Brightness:** 100 lumen
- **Light source type:** LED
- **Specific uses for product:** Interior Light
- **Wattage:** 1 watts

## Images

![Bosch -PY21W (- 581) LED Retrofit Car Light Bulbs - 12 V 1 W BAU15s - 2 Bulbs - Image 1](https://m.media-amazon.com/images/I/61mnPvKNbTL.jpg)

## Available Options

This product comes in different **Style** 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

## Frequently Bought Together

- Bosch -PY21W (- 581) LED Retrofit Car Light Bulbs - 12 V 1 W BAU15s - 2 Bulbs
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**Shop now:** [https://www.desertcart.sg/products/459750511-bosch-py21w-581-led-retrofit-car-light-bulbs-12-v](https://www.desertcart.sg/products/459750511-bosch-py21w-581-led-retrofit-car-light-bulbs-12-v)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-05*