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Bulb Type

  • Upgrade bulbs – Bulbs in this category will give you more light, style improvement, longer life, better economy or even a combination.

  • Standard bulbs – Bulbs in this category are a simple replacement for your existing standard bulb. There is no performance or styling improvement with these bulbs.

  • Off Road – Bulbs in this category are brighter than standard bulbs due to a higher wattage, or have an extreme style beyond standard guidelines. Bulbs in this category are for off road use only.

  • Truck 24V – Bulbs in this category are 24V bulbs specifically for Trucks and other 24V vehicles.

  • Classic Car – Bulbs in this category are bulbs to fit the older classic car headlights.



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£1.55

581 (PY21W) Bulbs

Bayonet bulbs which require a 581 (PY21W) fitting for Cars, Motorcycles and Vans. Use the filter on the left to refine your search.


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581 OSRAM Ultra Life P21W replacement bulbs AMBER (Pair)
SKU: 7507ULT-02B
| Customer Rating:

581 OSRAM P21W AMBER replacement bulbs for brake lights, fog lights, indicators and reversing lights. Lasts up to 3 x longer than a standard bulb. Useful for where it is difficult to get at the bulbs. We recommend you change your bulbs in pairs. These bulbs are sold in a blister pack of two bulbs.
In Stock
RRP: £7.99  | save 25%
£5.99


581 Philips Silver Vision Indicator Bulbs (pair)
SKU: PW12496SV
| Customer Rating:

These Philips 581 12V 21W Silver Vision bulbs look silver when off but still flash amber in use. They are a great upgrade to have the bulb blend into the reflectors and get rid of the "fried egg effect". Price per pair.
In Stock
£13.45


581 PY21W Osram Diadem indicator bulbs (pair)
SKU: 7507LDA-02B
| Customer Rating:

OSRAM 581 Diadem Indicators with Offset pins are a direct replacement for your standard PY21W 581 bulbs. These bulbs have a shimmering surface and will look almost invisible therefore eliminating the fried egg effect. Price per pair.
In Stock
RRP: £13.45  | save 14%
£11.50


581 PY21W Silver Indicator bulbs (pair)
SKU: 581SLV
| Customer Rating:

These 581 12V 21W Silver coated bulbs flash amber but look almost invisible when off, removing that fried egg effect.
In Stock
£4.99


581 Ring Vision 24 12V PY21W Long Life Indicator Bulb
SKU: R581LL-1
| Customer Rating:

A high quality amber 581 indicator bulb built by Ring. This bulb uses advanced filament technology to last 3 x longer than a standard bulb.
In Stock
RRP: £2.99  | save 31%
£2.05


581 PY21W Amber Indicator Bulb
SKU: CO581

581 PY21W Amber Indicator Bulb
In Stock
£1.55


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581 (PY21W) Automotive bulbs - replacement bulbs for cars and bikes in a 581 bayonet type fitting. Mostly used for car indicators.