---
product_id: 568991055
title: "Tek Automotive 581 PY21W Indicator Bulbs 12V 21W BAU15S – E-Marked Road Legal Amber, Offset Pin, Twin Pack"
brand: "tek automotive"
price: "80.79 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "Tek Automotive"
url: https://www.desertcart.tn/products/568991055-tek-automotive-581-py21w-indicator-bulbs-12v-21w-bau15s-e
store_origin: TN
region: Tunisia
---

# 12V power for reliable performance 21W brightness for clear visibility BAU15S offset pin for perfect fit Tek Automotive 581 PY21W Indicator Bulbs 12V 21W BAU15S – E-Marked Road Legal Amber, Offset Pin, Twin Pack

**Brand:** tek automotive
**Price:** 80.79 DT
**Availability:** ✅ In Stock

## Summary

> 🚗 Blink Boldly, Drive Legally – Illuminate Your Journey!

## Quick Answers

- **What is this?** Tek Automotive 581 PY21W Indicator Bulbs 12V 21W BAU15S – E-Marked Road Legal Amber, Offset Pin, Twin Pack by tek automotive
- **How much does it cost?** 80.79 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/568991055-tek-automotive-581-py21w-indicator-bulbs-12v-21w-bau15s-e)

## Best For

- tek automotive enthusiasts

## Why This Product

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

## Key Features

- • **Twin Pack for Symmetry:** Replace both sides simultaneously for consistent brightness and style.
- • **Direct Factory Replacement:** Effortless swap-in for front or rear indicators, maintaining your car’s original look.
- • **Vibrant Amber Signal Output:** Stand out in traffic with bright, clear orange illumination day and night.
- • **E-Marked Road Legal Compliance:** Drive with confidence knowing your indicators meet UK MOT standards.
- • **Precision BAU15S Offset Pin Fitment:** Seamless installation with exact offset pins designed for your vehicle.

## Overview

Tek Automotive 581 PY21W Indicator Bulbs deliver bright 21W amber light with precise BAU15S offset pins, fully E-marked for UK road legality. Supplied as a twin pack, these 12V bulbs ensure consistent, MOT-compliant signaling for front and rear indicators, combining reliability with easy installation.

## Description

Product Description

Review: Thumbs up - Excellent quality and value for money
Review: Great if you need indicator bulbs. - Exactly what it says on the tin. Successfully blink when arm next to steering wheel deployed. Easy to fit. Saved me £20 and a retest on it's MOT.

## Features

- E-MARKED ROAD LEGAL COMPLIANCE - Fully approved 12V 21W PY21W bulbs with E marking for legal UK road use, suitable for MOT-compliant indicator replacement.
- BAU15S OFFSET PIN FITMENT - Designed with the correct offset bayonet pins for secure installation in vehicles requiring 581 / PY21W specification indicator bulbs.
- BRIGHT AMBER SIGNAL OUTPUT - Produces clear orange illumination for strong daytime and night-time turn signal visibility, improving signalling clarity in traffic.
- DIRECT REPLACEMENT FOR FACTORY FITTED BULBS - Suitable for front or rear indicator units using PY21W BAU15S fitment. Always confirm bulb type in your vehicle handbook before purchase.
- TWIN PACK FOR BALANCED REPLACEMENT - Supplied as a matched pair, allowing both sides to be replaced together for consistent colour and brightness.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJRVVVFG |
| Auto Part Position | Front, Rear |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | 790 in Automotive ( See Top 100 in Automotive ) 1 in Automotive Turn Signal Bulbs |
| Brand | Tek Automotive |
| Brand Name | Tek Automotive |
| Colour | Amber |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 429 Reviews |
| Fit Type | Universal Fit |
| Fit type | Universal Fit |
| Included Components | 581 Bulbs x 2 |
| Item Type Name | Car Bulb |
| Item package quantity | 1 |
| Manufacturer | Tek Automotive |
| Manufacturer Part Number | TK581BL |
| Manufacturer Warranty Description | 1 |
| Package Quantity | 1 |
| Specific Uses For Product | Indicator Light |
| Specific uses for product | Indicator Light |
| Unit Count | 2.0 count |
| Voltage | 12 Volts |
| Wattage | 21 watts |

## Product Details

- **Brand:** Tek Automotive
- **Colour:** Amber
- **Item package quantity:** 1
- **Specific uses for product:** Indicator Light
- **Wattage:** 21 watts

## Images

![Tek Automotive 581 PY21W Indicator Bulbs 12V 21W BAU15S – E-Marked Road Legal Amber, Offset Pin, Twin Pack - Image 1](https://m.media-amazon.com/images/I/813ONI+suhL.jpg)
![Tek Automotive 581 PY21W Indicator Bulbs 12V 21W BAU15S – E-Marked Road Legal Amber, Offset Pin, Twin Pack - Image 2](https://m.media-amazon.com/images/I/81HaI79ewYL.jpg)
![Tek Automotive 581 PY21W Indicator Bulbs 12V 21W BAU15S – E-Marked Road Legal Amber, Offset Pin, Twin Pack - Image 3](https://m.media-amazon.com/images/I/81yppR5WoAL.jpg)
![Tek Automotive 581 PY21W Indicator Bulbs 12V 21W BAU15S – E-Marked Road Legal Amber, Offset Pin, Twin Pack - Image 4](https://m.media-amazon.com/images/I/81ZF3ekr1yL.jpg)
![Tek Automotive 581 PY21W Indicator Bulbs 12V 21W BAU15S – E-Marked Road Legal Amber, Offset Pin, Twin Pack - Image 5](https://m.media-amazon.com/images/I/81xoTV96fKL.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Thumbs up
*by G***M on 28 June 2026*

Excellent quality and value for money

### ⭐⭐⭐⭐⭐ Great if you need indicator bulbs.
*by R***R on 7 May 2026*

Exactly what it says on the tin. Successfully blink when arm next to steering wheel deployed. Easy to fit. Saved me £20 and a retest on it's MOT.

### ⭐⭐⭐⭐ Make sure you don't need both bulbs when ordering or order more
*by S***L on 15 January 2026*

Does an adequate job but one of the bulbs was broken

## Frequently Bought Together

- Tek Automotive 581 PY21W Car Bulb – Indicator Bulbs 12V 21W BAU15S, Orange | PY21W Indicator Bulbs for Turn Signal Car Lights, Bulbs & Indicators - Twin Pack
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- Tek Automotive 382 P21W Bulb, Car Light Bulbs, Indicator Bulbs, Brake Light Bulb, Reverse Light Bulb, Tail Light Bulb, Rear Fog Light, 382 P21W Car Bulbs, 12V 21W BA15S - Twin Pack

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-18*