Eagleye P21/5W BAY15d 12V 21/5W Incandescent Bulb | ALIMER Mauritius

The Eagleye P21/5W BAY15d 12V 21/5W Incandescent Bulb is a reliable OEM-style replacement designed to restore your vehicle's original rear lighting performance. Featuring a dual-filament design, it provides dependable brake and tail light operation, consistent brightness and simple plug-and-play installation.

The P21/5W (BAY15d/1157) bulb is commonly used for brake lights and tail lights on many passenger cars, SUVs, vans and light commercial vehicles. Always check your vehicle owner's manual or compare your existing bulb before ordering.

Specifications

• Bulb Type: P21/5W (BAY15d / 1157)
• Voltage: 12V
• Power: 21/5W
• Technology: Incandescent
• Brand: Eagleye
• Fitment: BAY15d
• Quantity: 1 Bulb

Key Features

• OEM-style replacement
• Dual-filament design for brake and tail lights
• Bright and consistent light output
• Plug-and-play installation
• Factory-style warm light output
• Suitable for vehicles using P21/5W (BAY15d) bulbs

Common Applications

This P21/5W BAY15d bulb is commonly used for:

• Brake lights
• Tail lights
• Rear combination lights
• Stop and tail lights

Applications vary between vehicle models. Always confirm the correct bulb type before purchasing.

Before You Buy

Please check your vehicle owner's manual or compare your existing bulb to confirm that your vehicle requires a P21/5W (BAY15d / 1157) bulb before ordering. This is a dual-filament bulb and is not interchangeable with single-filament bulbs such as P21W (BA15S).

Why Buy from ALIMER?

• 🇲🇺 Local stock in Mauritius
• 📦 Delivery throughout Mauritius by Mauritius Post
• 📍 Free pickup available in Rose Hill
• ✔ Every bulb is tested before shipping
• 💬 WhatsApp support to help you find the correct bulb

Frequently Asked Questions

What is a P21/5W BAY15d bulb used for?

The P21/5W BAY15d bulb is commonly used as a brake light and tail light bulb. Its dual-filament design provides a 5W filament for the tail light and a brighter 21W filament for the brake light, allowing both functions to operate from a single bulb.

Are these P21/5W BAY15d bulbs compatible with my vehicle?

This bulb is compatible with vehicles that require a P21/5W (BAY15d / 1157) fitting. Always check your vehicle owner's manual or compare your existing bulb before purchasing.

What other names is the P21/5W BAY15d bulb known by?

The P21/5W BAY15d bulb is also commonly known as an 1157 bulb, BAY15d bulb, 7528 bulb, dual-filament bulb, stop and tail light bulb, brake and tail light bulb, rear combination light bulb or dual-contact bayonet bulb. These names refer to the same 12V dual-filament automotive bulb commonly used in rear lighting applications.

What does the 21/5W rating mean?

The bulb contains two separate filaments. The 5W filament operates the tail light, while the brighter 21W filament operates the brake light, allowing both lighting functions to be combined in a single bulb.

Is this an incandescent or LED bulb?

This is a traditional incandescent automotive bulb designed as an OEM-style replacement. It maintains the original light colour, beam pattern and compatibility intended by the vehicle manufacturer.

How many bulbs are included?

This product includes 1 Eagleye P21/5W BAY15d 12V 21/5W incandescent bulb.

Is this bulb plug-and-play?

Yes. Simply remove the old P21/5W BAY15d bulb and install the new one. No wiring modifications or additional components are required.

Can this bulb be used for both brake lights and tail lights?

Yes. This dual-filament bulb is specifically designed to operate as both the brake light and tail light on vehicles that use a P21/5W BAY15d fitting.

Will this bulb work on a 12V vehicle?

Yes. This bulb is designed for 12V automotive electrical systems used in most passenger cars, SUVs, vans and light commercial vehicles.

Can this bulb replace a P21W or BA15S bulb?

No. The P21/5W BAY15d is a dual-filament, dual-contact bulb, while a P21W (BA15S) is a single-filament, single-contact bulb. They are not interchangeable even though they may appear similar.

Why choose an incandescent replacement bulb?

An incandescent replacement maintains the original light output, colour, beam pattern and compatibility with your vehicle's factory electrical system. It is an excellent choice for restoring original lighting performance.

Do you deliver P21/5W bulbs throughout Mauritius?

Yes. We deliver P21/5W BAY15d bulbs and other automotive lighting products throughout Mauritius by Mauritius Post. Free pickup is also available in Rose Hill if you prefer to collect your order in person.