1 / 7Bosch H7 (477) Plus 120 Gigalight Halogen Bulb, 12 V 55 W
477: Bosch H7 Plus 120 Gigalight is a 12 V, 55 W halogen headlight bulb listed as a single replacement. Bosch claims a brighter, longer-reaching beam than standard halogen bulbs, while customer feedback raises a notable question about lifespan.
At a glance
- Bosch claims the beam provides 120% more light on the road than standard halogen bulbs.
- The listing describes a longer beam and bright white light with improved contrast as manufacturer claims.
- A blue coating is cited by Bosch as part of the bulb design.
- The listing identifies one replacement bulb, not a pair.
Often bought together
Pros and cons
Pros
- A single replacement may suit a buyer replacing one failed bulb rather than purchasing a twin pack.
- Bosch claims a longer beam and more light than standard halogen bulbs, which may appeal to drivers seeking a brighter halogen replacement.
Cons
- Customer feedback reports concerns that some bulbs last less than three months.
Technical specifications
10 specifications| Brand | Bosch |
|---|---|
| Model | H7GB |
| Voltage | 12 Volts |
|---|---|
| Wattage | 55 watts |
| Listed light source type | Xenon |
| Colour | White |
| Position | Front |
| Fit type | Vehicle Specific Fit |
|---|---|
| Package quantity | 1 |
| Weight listed | 11 Grams |
|---|
What to know before buying
- The title identifies the product as a halogen bulb, but the details list its light source type as “Xenon”. Confirm the bulb type and fitment for your vehicle before ordering. The claimed 120% brighter output is a manufacturer comparison, not an independently verified measurement. Bosch advises avoiding direct finger contact during installation because it may shorten bulb life.
Who is it for?
A good fit for
- Drivers seeking a single H7-format headlight replacement who have confirmed it matches their vehicle.
- Buyers interested in Bosch's claimed brighter, longer-reaching halogen beam and willing to weigh that claim against reported lifespan concerns.
Less suited to
- Anyone needing a twin pack, as the listing specifies one bulb.
- Buyers prioritising assured long service life, given customer reports of short lifespan and no stated guaranteed lifespan.
Customer reviews on Amazon
- 5 stars
71% 71% - 4 stars
16% 16% - 3 stars
6% 6% - 2 stars
3% 3% - 1 star
4% 4%
Customer feedback describes the bulbs as bright and easy to install, with some customers liking the white colour and reporting reliable operation. However, lifespan is a significant concern, including reports of bulbs lasting less than three months. Feedback on value and colour is mixed, with some customers finding the light yellowish on the road. For buyers attracted by Bosch's claimed brighter beam, these reports make durability and the perceived colour worth weighing alongside the listing's single-bulb quantity.
Positive themes
- Customers report brightness and easy installation.
- Some customers describe the bulbs as reliable and appreciate the light colour.
Negative themes
- Customer feedback includes reports of bulbs lasting less than three months.
Mixed feedback
- Customers disagree on value for money.
- Colour feedback varies, with some describing a white light and others a yellowish appearance on the road.
Frequently asked questions
How many bulbs are listed?
The package quantity is listed as 1, so this is a single-bulb replacement rather than a pair.
What brightness improvement does Bosch claim?
Bosch claims 120% more light on the road than standard halogen bulbs and describes a longer beam. These are manufacturer claims, not independent measurements.
Is this definitely a halogen bulb?
The product title calls it halogen, but the details list the light source type as “Xenon”. The listing is inconsistent, so confirm the bulb type and vehicle compatibility before buying.
What should I know about installation?
Bosch advises using gloves and avoiding touching the bulb with your fingers, as contact may shorten its lifespan.
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Products with discounts that might interest you
Offer details
- The listing shows a 19% discount against its stated reference price.