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  • Sylvania 921 ST SilverStar High Performance Halogen Miniature Lamp, (Pack of 2)
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Sylvania 921 ST SilverStar High Performance Halogen Miniature Lamp, (Pack of 2)

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Price: $7.99 & FREE Shipping on orders over $35. Details
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  • Designed for crystal clear bright white light
  • Able to withstand road shock and vibration
  • Constructed with a robust filament and proprietary gas mixture
  • Designed for maximum durability and performance
  • Enables lower maintenance and provide greater safety
See more product details
5 new from $5.99
Have Questions About Buying Light Bulbs? Check out our Light Bulb Guide for help choosing the correct bulb for your lighting needs. Learn more

Frequently Bought Together

Sylvania 921 ST SilverStar High Performance Halogen Miniature Lamp, (Pack of 2) + Sylvania 3157 ST SilverStar High Performance Halogen Miniature Lamp, (Pack of 2) + Sylvania 9006 SU SilverStar Ultra Halogen Headlight Bulb (Low Beam), (Pack of 2)
Price for all three: $51.97

Buy the selected items together


Product Information

Technical Details
BrandOsram Sylvania
Item Weight1.6 ounces
Product Dimensions4.8 x 3 x 0.9 inches
Item model number35905
Manufacturer Part Number921BP
  
Additional Information
ASINB00318V5KM
Best Sellers Rank #4,113 in Automotive (See top 100)
Shipping Weight1 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableDecember 18, 2009
  
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Product Description

Sylvania Long Life Auxiliary Lamp has increased bulb life for the car. This lamp has been engineered to withstand sizeable amount of road shock and vibration. It is constructed with a robust filament and proprietary gas mixture that extends performance twice as long as most standard lamp. This lamp is designed to be durable lower maintenance and provide greater safety.


Customer Questions & Answers

Customer Reviews

NO blue tint.
Sam N
I can even notice it from outside the vehicle when she puts it into reverse.
howie1932
No complaints, installed the bulbs and they worked fine.
Patrick Yan

Most Helpful Customer Reviews

7 of 7 people found the following review helpful By Sam N on October 13, 2011
Verified Purchase
I've bought two packages of these bulbs to replace the cargo and 3rd brake lights in my 2004 F150. These replacements are MUCH brighter than stock. One of my friends even commented how much brighter they were compared to his truck. That's a great compliment to this bulb, because who even notices cargo light bulbs? Buy these. You will be extremely pleased with their performance. They are extremely WHITE. NO blue tint.
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18 of 22 people found the following review helpful By K. Wong on February 18, 2010
Verified Purchase
I was hoping to improve my reverse light output for better sight. So, I purchased this item in hopes of doing so. I have used Syvania headlight bulbs before and they are great.

This time not so much, I guess I was just expecting too much from a little bulb. If you want to replace an old bulb or one that goes out, this is a great choice, if you need more light output, don't expect much from this one.
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8 of 9 people found the following review helpful By Daniel R. Kammer on May 12, 2010
Verified Purchase
Good Bulbs, light is whiter that my stock bulbs were, but not really brighter, I have a 2008 Jeep Patriot and used these to replace my reverse lights. Overall I'm happy. If you want brighter lights, or a slight blue tint, don't buy these, they are pure white. But they are an excellent replacement for stock bulbs.
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2 of 2 people found the following review helpful By Tater on December 18, 2013
Verified Purchase
Replaced 1 back-up light on my car; While the bulb doesn't appear to be dramatically brighter when viewed by itself, when you view it side by side with a standard bulb--there is a vast difference. The difference is not so much being dramatically brighter, but it is a much whiter light and does illuminate more clearly. Example: if you have tinted windows or are using a dimmed rear view mirror, the lighting from these bulbs is much easier to discern than with the standard (somewhat yellow) backup light. If you care what the visual effect of the bulb is on your car--plan to replace these in pairs; the difference is very apparent. good product.
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2 of 2 people found the following review helpful By K. P. Fisher on November 8, 2013
Verified Purchase
I've heard lots of bad reviews for new "pop-in" LED lights, so I thought I'd give these a try. I tested these as direct replacement backup lights in my Honda Element (changed just one lamp, stood behind the car, and compared) They made a definite improvement. Not "double" the distance or anything, but a clear noticeable improvement in backup lighting. Very pleased.
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2 of 2 people found the following review helpful By howie1932 on June 30, 2013
Verified Purchase
I got these for my wife's Rav4 when she complained about not being able to see when she backs up. These certainly have helped her backing up when dark. I can even notice it from outside the vehicle when she puts it into reverse. I don't know that they are any brighter, but they are whiter and make it easier to see when backing up.
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2 of 2 people found the following review helpful By CW on February 20, 2013
Verified Purchase
The light appears whiter than the OEM bulb, but I'm not sure if it is brighter. I can see more using my rear camera, so that is a good thing.
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4 of 5 people found the following review helpful By George D. on January 9, 2012
Verified Purchase
Replaced these bulbs in my 2010 Kia Soul backup lights. What a difference!! Money well spent almost 2x's as bright as stock. Makes backing up a lot better with the tinted windows. Put another set in the 07 Monte Carlo. Great backup light bulb, your not in reverse a lot so they should last awhile
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