Choosing Replacement Headlight, Tail Light and Brake Light Bulbs

When your current bulbs fail, you will likely juststandard yellow coated bulbs give an odd 'fried
pick up the first available bulbs of the correctegg' look, as they are visible at the centre of the
type from your local automotive shop or petrolreflector. Styling bulbs are now available that are
station. You may not realise that there is a widesilver coated, but still give a yellow light, to
range of choices available for your car orprevent this look. The silver bulb blends into the
motorcycle, depending on your needs andreflector to give a better finish.
preferences. 
 LED Bulbs
Enhanced Halogen BulbsFirst seen on new cars a few years ago, there
Mostly available for headlights, enhanced bulbsare now LED replacement bulbs available as
offer increased light output over standard bulbs.replacements for most rear lights, brake light and
They often use different materials for both theside light bulbs, as well as some internal lighting.
bulb filament and the gas it is contained in. TheseLED lights, at the moment, are not available for
bulbs are often called Xenon Headlight bulbs, asheadlight bulbs as they are not bright enough, but
Xenon gas is one of the main constituents.they are being frequently seen in factory fitted
Various brands are available, the most well-knownand aftermarket front white daytime running
being Ring Xenon Max (offering 100% more lightbulbs, such as BMW 'Angel Eyes'.
than 'standard' bulbs), Osram Night Breaker (with 
90% more light) and Philips X-Treme Power (withReplacement LED bulbs have one or more
80% more light).individual SMD LED lamps on them, but are
Upgrading to an enhanced Halogen bulb is exactlydesigned to fit into standard fittings. Their main
the same as replacing a standard headlight bulb,advantages are very low power consumption
and can generally be done at home in a few(useful if you have a 'show car' with a lot of
minutes. Due to the difference in brightness, youadditional lighting) and extremely long life of up to
will need to replace both headlight bulbs for cars50,000 hours, meaning it should outlast the vehicle!
or motorcycles with twin headlights. The XenonThey provide a whiter light than most filament
upgrade bulbs are available in sizes to fit almost allbulbs, so are often paired with modified headlights.
vehicles.One drawback to using LED bulbs on some cars
 with CAN-BUS bulb failure warning systems is that
Extra Long Life Bulbsthe LED bulb draws so little power the dashboard
Extra long life bulbs use thicker elements andbulb failure warning is shown. This can be resolved
quality components to give a bulb life of up toby adding a resistor to the bulb wiring, or buying
three times longer than a standard bulb. They areone of the new range of bulbs with a resistor built
available as headlights, brake/tail light and sidelights.into the bulb assembly itself.
The most common uses for these bulbs are 
vehicles (notably Volvo cars as well as manyXenon HID Bulbs
motorcycles and trucks) where the lights areOriginally only available as factory fitted options on
always on. Long life bulbs reduce the frequencysome top-end cars, xenon HID bulbs work totally
with which you have to replace the bulbs, and aredifferently from traditional filament bulbs. The light
only slightly more expensive than standard bulbs.is created by an arc (spark) of electricity inside a
Various brands are available, including Osram Ultraspecial mixture of gases (including Xenon) and
Life and Ring Vision24.metal salts. The light created by Xenon HID bulbs
 is about 300% brighter than standard halogens,
Styling Bulbsand is also whiter. Some HID bulbs produce blue
Allied to the growth of the modified car scenetinted light.
has been an increasing supply of 'styling' bulbs thatAftermarket HID conversion kits are now
modify the light output of a standard halogen bulbavailable for most bulb fittings. The conversion kits
using altered filament or gas materials, or byconsist of a ballast unit (that provides the high
adding filter coatings. Different coloured light canvoltages required to create the arc), plus an HID
match a cars colour scheme, and provide abulb. HID bulbs generally last longer than standard
distinctive look. Some of these bulbs also offerfilament bulbs, as they do not have a filament to
enhanced light output, but some of the morebreak, but they do tend to give more blue light
extreme ones have poor light output due towith age, and will eventually stop working.
filters, and are a long way from the white lightHID conversion kits are not strictly road legal as
required in the Highway Code. These extremethey are not factory fitted options, and there are
styling bulbs are recommended for off-road orissues with some cheaper conversion kits creating
show use only.a beam pattern that will fail the MOT test. Higher
Another class of styling bulbs has been seen sincequality HID kits and bulbs are carefully designed to
the appearance on 'crystal' type light fittings,give the correct beam alignment, and not blind
where the lens is almost totally transparent.oncoming drivers.
Indicator bulbs have to give a yellow light, and