---
product_id: 591789609
title: "Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs – 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins, Dual Filament)"
brand: "tek automotive"
price: "$24.12"
currency: USD
in_stock: true
category: "Tek Automotive"
url: https://www.desertcart.us/products/591789609-tek-automotive-2-x-380-p21-5w-bay15d-brake-light
store_origin: US
region: United States of America
---

# E-marked road legal UK/EU Dual filament 21W brake + 5W tail BAY15D staggered pin secure fit Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs – 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins, Dual Filament)

**Brand:** tek automotive
**Price:** $24.12
**Availability:** ✅ In Stock

## Summary

> 🚗 Light Up Your Drive with Confidence and Style!

## Quick Answers

- **What is this?** Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs – 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins, Dual Filament) by tek automotive
- **How much does it cost?** $24.12 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/591789609-tek-automotive-2-x-380-p21-5w-bay15d-brake-light)

## 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

- • **Balanced Brightness Pair:** Supplied as a twin pack to replace both rear bulbs simultaneously, guaranteeing uniform illumination and safer signaling.
- • **Long-Lasting 12V Performance:** Designed for standard 12V systems with a robust 50,000-hour filament life, minimizing maintenance interruptions.
- • **Road-Ready & Fully Compliant:** E-marked and MOT-approved for UK and EU roads—drive with confidence and avoid costly fails.
- • **Precision BAY15D Staggered Pins:** Engineered for a secure push-and-twist fit, eliminating installation guesswork and ensuring lasting stability.
- • **Brilliant Dual-Function Lighting:** Seamlessly combines 21W brake and 5W tail light in one sleek bulb for ultimate rear visibility.

## Overview

Tek Automotive’s 2-pack 380 P21/5W dual filament brake and tail bulbs deliver 21W brake and 5W tail light output with secure BAY15D staggered pin fitment. Fully E-marked for UK/EU road legality, these 12V bulbs ensure balanced rear illumination and reliable performance with a long 50,000-hour lifespan, making them an essential upgrade for safer, compliant driving.

## Description

Tek Automotive 380 P21/5W bulbs provide reliable stop and tail performance for vehicles requiring 12V 21/5W dual filament fitment. Designed for consistent brake illumination and clear rear visibility. Manufactured with precision BAY15D staggered pins, these bulbs ensure secure push-and-twist installation in compatible rear light housings. Fully E-marked and road legal for UK and EU use, they deliver dependable replacement performance suitable for MOT preparation and routine maintenance. Supplied as a twin pack, these bulbs allow both rear brake lights to be replaced together for balanced brightness and safer signalling on the road.

## Features

- DUAL FILAMENT BRAKE & TAIL FUNCTION – 21W brake illumination with 5W tail light output in one correct 380 P21/5W replacement bulb for clear rear signalling.
- BAY15D STAGGERED PIN FITMENT – Opposite-side pins at different heights ensure secure push-and-twist installation in compatible rear lamp holders.
- ROAD LEGAL E-MARKED – Fully compliant for UK and EU road use, suitable for MOT preparation and everyday driving.
- REPLACE BOTH REAR BULBS – Supplied as a pair so both sides can be changed together for balanced brightness and safer signalling.
- STANDARD 12V SPECIFICATION – Designed for vehicles requiring 12V 21/5W 380 P21/5W BAY15D stop and tail bulbs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CK2M7R8C |
| Auto Part Position | Rear |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #11,922 in Automotive ( See Top 100 in Automotive ) #10 in Automotive Brake Lights |
| Brand Name | Tek Automotive |
| Brightness | 500 lumen |
| Color | Clear |
| Customer Reviews | 4.6 4.6 out of 5 stars (492) |
| Fit Type | Universal Fit |
| Included Components | 380 Bulbs x 2 |
| Item Type Name | Car Bulbs |
| Light Output Maximum | 500 Lumens |
| Light Source Type | Filament |
| Manufacturer | Tek Automotive |
| Manufacturer Part Number | TK380BL |
| Model Number | TK380BL |
| Operating Life | 50000 Hours |
| Package Quantity | 1 |
| Specific Uses For Product | Brake Tail Light |
| Unit Count | 2 Count |
| Voltage | 12 Volts |
| Wattage | 21 watts |

## Product Details

- **Brand:** Tek Automotive
- **Brightness:** 500 lumen
- **Light source type:** Filament
- **Specific uses for product:** Brake Tail Light
- **Wattage:** 21 watts

## Images

![Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs – 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins, Dual Filament) - Image 1](https://m.media-amazon.com/images/I/71rFiVz3JnL.jpg)

## Frequently Bought Together

- Tek Automotive P21/5W Bulb, Car Light Bulbs, Brake Light Bulb, 380 P21/5W Car Bulb, Stop and Tail Light Bulbs 12V 21/5W BAY15D Car Bulbs Twin Pack
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- Xtremeauto H7 Headlight Bulb - X2 H7 477 Car Headlight Bulb, 12V 55W H7 Headlight Bulbs Light Bulbs, Dipped Headlamp Halogen Bulb PX26D Base H7 Headlight Bulbs

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-22*