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Philips Automotive brand VISION EXTREME automotive Low and High beam headlamp. 9004/HB1 delivers Bright Blue/White Light for Better Visibility and Styling.
- Match number 9004 with your current lamp to get an exact match
A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
A measure of "electrical pressure" between two points. The voltage specification of an incandescent lamp is the electrical "pressure" required to drive it at its designed point. The "voltage" of a ballast (e.g. 120 V) refers to the line voltage coming from the power source and is connected to the ballast.
The end (or ends) of the lamp that fits into the socket.
The description of the general appearance of a lamp/bulb consists of a letter(s) followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. For example, a common household bulb is the A-19. The bulb is "A" shape and the diameter would be nineteen 8ths of an inch, or 2 3/8".
The color of the light produced by a bulb
The technology implemented by the bulb, e.g. incandescent, halogen, LED
Average Rated Life (hr)
Average Rated Life (hr)
A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.
Class and Filament
Class and Filament
A designation used to describe the shape or structure of the filament in an incandescent or halogen light bulb. Most commonly used for specialty products like rough service and antique replica lamps.
Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.
A General Electric brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
An Osram Sylvania brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
Great headlight & best place to purchase
1996 Dodge Ram 4x4, highway driving & country driving.
The factory headlights were very poor to say the least. I reconditioned the headlamps, replaced the bulbs with "parts store" replacements & it was still poor. I was considering going to HID lights when I stumbled upon these Philips Crystal Vision bulbs. Did some research & saw some very good reviews, and this IS the place to buy them. I've only had them a few weeks, but the difference is amazing! Literally night & day...
I changed one side just to compare to the stock replacements & the difference was clearly visable. The light is bright white, not yellowish like the stockers. Signs & lane markers show up much better & the entire range of vision is just cleaner/clearer. Installation was just like replacements. I cannot comment on longevity yet, but for the price I will buy these again. I am also going to replace the driving light bulbs with these I'm so impressed!
Bright and Sharp Output, Not Long Life
Lasted 29,000 miles and 22 months in a 2001 Dodge Ram 2500 pickup before one of the low beam filaments just failed on a pair of these lamps. A back-of-the-napkin guess would be it lasted no more than 725 hours. For a comparison, the original OEM lamps lasted 91,000 miles and 7 years before the first one failed!Other than the relatively short life, they're brighter and do illuminate better than the original. Overall they're a good value for the money. Buy an extra set to have on hand!
Cheaper alternative to Silverstars!
Bought these as a cheaper alternative to the Silverstar Ultras. Philips definitely made themselves a competitor! These are just as bright as the Ultras and for a fraction of the price. I put these in my 94 Jeep Grand Cherokee, they look amazing and light up the road very well. They did seem to have a slight problem when trying to fit them, the grooves did not seem to be a perfect match. Nothing a small file and a little wiggling could not solve.
PHILIPS CRYSTAL VISION EXTREME 9004/HB1 Halogen Low and High Beam Headlight – Extreme Blue/White Color, Brighter Beam