Osram 7505 Halogen Car Light Bulb 12V 21W W21W W3x16d

The Osram 7505 halogen car light bulb is a reliable and high-quality lighting solution designed for automotive signaling and auxiliary applications. Operating at 12V with a 21W power output, this W21W bulb features a W3x16d base and is engineered to meet the rigorous demands of modern vehicle lighting systems. As a standard replacement part, it provides consistent and clear illumination, ensuring that your vehicle remains visible to other drivers on the road.

Advantages

This bulb offers proven performance that meets original equipment manufacturer standards, making it a dependable choice for vehicle maintenance. It is manufactured to exceed all ECE minimum requirements, ensuring durability and long-lasting operation. Being a cost-effective and robust solution, it is widely used by major automotive manufacturers as both initial equipment and original spare parts, providing premium quality that you can trust for your daily driving needs.

Suitable for

• Turn signal lights
• Reversing lights
• Rear fog lights
• Daytime running lights
• Parking lights

When it may not be suitable

This bulb is not intended for use in headlight assemblies requiring high-beam or low-beam functionality. It is strictly designed for signaling and auxiliary lighting purposes and should not be used as a substitute for specialized LED or HID lighting systems if your vehicle is factory-equipped with those technologies.

Key specifications

• Voltage: 12V
• Power: 21W
• Base type: W3x16d
• Bulb type: W21W Halogen
• Dimensions: 20mm x 48mm
• Average lifespan: 400 hours

How to use

To replace the bulb, ensure the vehicle ignition is turned off and the lighting system is deactivated. Access the rear of the light assembly by removing the protective cover or panel as specified in your vehicle owner's manual. Gently twist the bulb holder to remove it from the housing, pull the old bulb out, and insert the new Osram 7505 bulb. Ensure it is seated firmly in the socket before reinserting the holder into the assembly and testing the light.

What to consider before purchase

• Verify that your vehicle requires a W21W bulb type.
• Check the base compatibility (W3x16d) with your existing light socket.
• Ensure the voltage rating of 12V matches your vehicle's electrical system.
• It is recommended to replace bulbs in pairs to ensure uniform brightness.

Usage recommendations

Always handle new halogen bulbs with a clean cloth or gloves to prevent skin oils from damaging the glass surface, which can significantly reduce the lifespan of the bulb.