---
product_id: 55086217
title: "1x Ring WY21W (581A) 12v 21w Amber Indicator Light Bulb - RB585"
brand: "ring"
price: "฿1494"
currency: THB
in_stock: true
category: "Ring"
url: https://www.desertcart.co.th/products/55086217-1x-ring-wy21w-581a-12v-21w-amber-indicator-light-bulb
store_origin: TH
region: Thailand
---

# 12V power efficiency 21W bright amber glow 6000K crisp amber color 1x Ring WY21W (581A) 12v 21w Amber Indicator Light Bulb - RB585

**Brand:** ring
**Price:** ฿1494
**Availability:** ✅ In Stock

## Summary

> 🔆 Light the way, be seen, and never blend in.

## Quick Answers

- **What is this?** 1x Ring WY21W (581A) 12v 21w Amber Indicator Light Bulb - RB585 by ring
- **How much does it cost?** ฿1494 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/55086217-1x-ring-wy21w-581a-12v-21w-amber-indicator-light-bulb)

## Best For

- ring enthusiasts

## Why This Product

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

## Key Features

- • **Vibrant Amber Visibility:** 6000K color temperature ensures your signals stand out with a sharp, attention-grabbing amber hue.
- • **Trusted Quality Since 1974:** From a market leader with ISO 9001 certification and cutting-edge lighting innovation.
- • **Optimized Power Performance:** 21 watts of reliable brightness powered by a stable 12V supply for consistent signaling.
- • **Universal Fit, Instant Upgrade:** Seamlessly replace your front indicator with a bulb designed for universal compatibility.
- • **Off-Road Ready, Road Legal Confidence:** Perfect for off-road enthusiasts seeking dependable, high-performance indicator lighting.

## Overview

The Ring WY21W (581A) 12V 21W Amber Indicator Light Bulb delivers a crisp 6000K amber signal with universal fitment for front vehicle indicators. Engineered by Ring, a trusted lighting innovator since 1974 with ISO 9001 certification, this bulb offers reliable brightness and off-road legal use, ensuring your vehicle stands out with superior visibility and quality.

## Description

Additional Key Information: One of the world's leading suppliers of vehicle lighting and auto-electrical products. Since 1974 Ring have been pushing the boundaries of innovation. It offers a comprehensive range of bulbs from the smallest panel bulb through to industry leading performance headlamps, as well as auto electrical accessories, for cars, motorcycles and specialist vehicles. Innovations include performance headlamp bulb technology, electric current inverter and SmartCharge battery including developing the world’s first auto headlamp that provides up to 120% more light on the road compared to a standard headlamp. Ring identifies product gaps and designs, develops and sources innovative products which optimise its customers offerings. Innovation is underpinned by their commitment to quality. Major investments in their quality procedures has resulted in Ring having a fully equipped digital lighting laboratory and awarded ISO 9001. This approach has earned Ring the market leading position in the UK aftermarket for vehicle lighting and now exports to over 70 countries.

## Features

- Quantity Included: 1 Bulb Road Legal: Off-road use only

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01ANR06SA |
| Auto Part Position | Front |
| Brand | RING |
| Brand Name | RING |
| Color Temperature | 6000 Kelvin |
| Colour | Amber |
| Colour temperature | 6000 Kelvin |
| Country Of Origin | China |
| Fit Type | Universal Fit |
| Global Trade Identification Number | 05055175232812 |
| Item package quantity | 1 |
| Manufacturer | Ring |
| Manufacturer Part Number | RB585 |
| Package Quantity | 1 |
| Specific Uses For Product | Indicator Light |
| Specific uses for product | Indicator Light |
| Voltage | 12 Volts |
| Wattage | 21 watts |

## Images

![1x Ring WY21W (581A) 12v 21w Amber Indicator Light Bulb - RB585 - Image 1](https://m.media-amazon.com/images/I/717svEDIg3L.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/55086217-1x-ring-wy21w-581a-12v-21w-amber-indicator-light-bulb](https://www.desertcart.co.th/products/55086217-1x-ring-wy21w-581a-12v-21w-amber-indicator-light-bulb)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-02*