10pk W21/5W S580 – W21/5W Red S580R Auxiliary Bulbs 12V 21/5W W3x16Q

Manufactured to o.e. specification

All of our Simply Auto range of bulbs are meticulously manufactured to an O.E. (Original Equipment) specification. The bulbs are made to the same blueprint as the factory-fitted originals, providing an exceptional value direct replacement. If you’re unsure what type of bulb you need to change, we would advise that you check your vehicle’s handbook.

Extensive range of quality bulbs

Simply’s extensive range of automotive light bulbs are carefully created for a long-lasting, high performance quality driving experience, range from headlight to gas discharge, auxiliary, and chrome bulbs. Your driving needs and safety are our greatest concern.

Safe protective packaging

All of our bulbs come conveniently housed in secure, durable packaging specially selected to protect your new vehicle light bulbs from any unwanted damage. For instance, our individually boxed halogen and gas discharge headlight bulbs are packaged with a foam sleeve over the bulb. Even our multipack boxes are carefully packaged with either heavy duty grip seal bags for our small festoon bulbs or in a rigid vacuum formed tray for our larger auxiliary bulbs.

Highly durable

Our range of bulbs resist thermal shock and adverse weather conditions, making them last for longer.

E marked

The quality of this bulb is ECE (E4) approved for safe use on public roads.

Bulb specification:

Type: W21/5W S580 // W21/5W Red S580R Bulb

Product Dimensions (mm): H 47.5 x W 20.5

Voltage: 12V

Wattage: 21/5W

Base: W3x16Q

Box of 10: Each pack contains 10 bulbs