---
product_id: 568370249
title: "2 x 380 P21/5W BAY15D Brake Light Bulbs – 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins, Dual Filament)"
brand: "tek automotive"
price: "$17.32"
currency: USD
in_stock: true
reviews_count: 8
category: "Tek Automotive"
url: https://www.desertcart.us/products/568370249-2-x-380-p21-5w-bay15d-brake-light-bulbs-12v
store_origin: US
region: United States of America
---

# E-marked, road legal UK/EU Dual-filament 21/5W for brake & tail BAY15D staggered pins prevent misfit 2 x 380 P21/5W BAY15D Brake Light Bulbs – 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins, Dual Filament)

**Brand:** tek automotive
**Price:** $17.32
**Availability:** ✅ In Stock

## Summary

> 🚗 Light up your ride with confidence and style!

## Quick Answers

- **What is this?** 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?** $17.32 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/568370249-2-x-380-p21-5w-bay15d-brake-light-bulbs-12v)

## 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

- • **Foolproof Fit:** BAY15D staggered pins ensure perfect installation every time—no guesswork, no errors.
- • **Bright & Dim in One:** Dual-filament design delivers powerful brake light and subtle tail light in a single bulb.
- • **Road-Ready Certified:** Fully E-marked and compliant with UK and EU regulations for total peace of mind.
- • **Twin Pack Convenience:** Two bulbs in one pack—replace both or keep a spare for instant roadside readiness.
- • **Universal 12V Compatibility:** Fits cars, vans, and light commercial vehicles with standard 12-volt systems.

## Overview

The Tek Automotive 380 P21/5W Brake & Tail Bulb Twin Pack features dual-filament 21/5W bulbs with BAY15D staggered pins for secure fitting. Fully E-marked and road legal across UK and EU, these 12V bulbs provide reliable brake and tail lighting. The twin pack offers great value and convenience for quick replacements on cars, vans, and light commercial vehicles.

## Description

Tek Automotive 380 P21/5W Brake & Tail Bulb Twin Pack – 12V 21/5W BAY15D Staggered Pins : desertcart.co.uk: Automotive

Review: Perfect bulbs - Perfect item. Superfast delivery. Exactly what we needed. Great value for money
Review: Does the job as expected - Does the job as expected

## Features

- BRAKE & TAIL FUNCTION – Dual-filament 21/5W bulb provides bright brake light and dim tail light in one correct replacement.
- BAY15D STAGGERED PINS – Opposite-side pins at different heights ensure correct fitting and prevent incorrect installation.
- ROAD LEGAL E-APPROVED – Fully E marked and compliant for UK and EU road use.
- TWIN PACK VALUE – Replace both rear bulbs together or keep one spare ready for quick replacement.
- 12V STANDARD FITMENT – Suitable for cars, vans and light commercial vehicles using 12-volt systems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CK2M7R8C |
| Best Sellers Rank | 852 in Automotive ( See Top 100 in Automotive ) 2 in Automotive Brake Lights |
| Brand | Tek Automotive |
| Customer Reviews | 4.5 4.5 out of 5 stars (450) |
| Date First Available | 27 Sept. 2023 |
| Item Weight | 30 g |
| Item model number | TK380BL |
| Manufacturer | Tek Automotive |
| Manufacturer part number | TK380BL |
| Model | TK380BL |
| Package Dimensions | 11.2 x 8 x 3.3 cm; 30 g |
| Position | Rear |
| Voltage | 12 Volts |

## Product Details

- **Brand:** Tek Automotive
- **Brightness:** 500 lumen
- **Item package quantity:** 1
- **Specific uses for product:** Brake Tail Light
- **Wattage:** 21 watts

## Images

![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)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect bulbs
*by S***S on 3 November 2025*

Perfect item. Superfast delivery. Exactly what we needed. Great value for money

### ⭐⭐⭐⭐⭐ Does the job as expected
*by M***P on 29 December 2025*

Does the job as expected

### ⭐⭐⭐⭐ Worked without problem
*by S***R on 27 August 2025*

They look durable and worked on my trailer

## 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
- Tek Automotive 581 PY21W Car Bulb – Indicator Bulbs 12V 21W BAU15S, Orange | PY21W Indicator Bulbs for Turn Signal Car Lights, Bulbs & Indicators - Twin Pack
- 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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**Shop now:** [https://www.desertcart.us/products/568370249-2-x-380-p21-5w-bay15d-brake-light-bulbs-12v](https://www.desertcart.us/products/568370249-2-x-380-p21-5w-bay15d-brake-light-bulbs-12v)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-10*