Marsauto H4/9003 LED Bulbs, 40,000 Lumens, 2-Pack

Pack: Marsauto H4/9003 LED bulbs are a two-bulb replacement set listed with 20-watt draw, 6500 Kelvin color temperature, and a claimed maximum output of 40000 lumens. The listing also claims a compact 1:1 profile and plug-and-play installation, but its use description points to top clearance marker assemblies, so confirm the bulb application for your vehicle before buying.

At a glance

Listing claims 6500K cool-white light and up to 40000 lumens.
Manufacturer describes a 1:1 mini-size profile and plug-and-play fit without an external driver.
IP68 waterproofing and an 80000-hour operating life are manufacturer claims, not independent measurements.
Adjustable light angle is claimed for setting a horizontal cutoff.

Price

$23.97Save 20%

Reference price: ~~$29.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

Two H4/9003 bulbs are listed, with gloves and decoder cards also specified in the package contents.
A stated 20-watt rating and 6500 Kelvin color temperature give buyers concrete electrical and color details.
The claimed compact profile may suit installations where space behind the bulb is limited.

Technical specifications

15 specifications

Identity
Brand	Marsauto
Model	Marsauto Light bulb
OEM equivalent part number	H4/9003
Manufacturer part number	3501LHB755WUS

Lighting
Light source type	Fog Light
Maximum light output	40000 lumens
Color temperature	6500 Kelvin
Color	WHITE
Wattage	20 watts
Position	Front

Fit and durability
Automotive fit type	Universal Fit
Operating life	80000 hours
Warranty description	2 Year Manufacturer

Quantity
Number of items	2
Package quantity	1

What to know before buying

Listing details to confirm

The listing is inconsistent about the application: the title and part number identify H4/9003 bulbs, while the light-source and feature descriptions call them fog lights and repeatedly mention top clearance marker assemblies. Confirm the exact socket, beam use and vehicle fit before purchase. The 40000-lumen, 600% brighter, compatibility, waterproofing and lifespan statements are listing claims, not verified results.

What’s in the box

Included

2 H4 bulbs
2 install gloves
User manual
1 decoder card

Who is it for?

A good fit for

Buyers replacing H4/9003 bulbs who have confirmed this bulb type is suitable for their vehicle and intended lighting position.
Installations where a compact bulb profile and a claimed plug-and-play design are useful.

Less suited to

Buyers who need independently measured brightness or verified vehicle-specific fit information.
Anyone who has not confirmed whether their intended use is a fog light, headlamp or marker assembly.

Marsauto H4/9003 LED Bulbs, 40,000 Lumens, 2-Pack · photo 2 — Additional product photo 2

Frequently asked questions

Are these bulbs suitable for every vehicle with a universal-fit listing?

No vehicle-specific fitment is established here. The listing identifies H4/9003 but also describes top clearance marker assemblies, so confirm the vehicle socket and intended application.

What brightness and color are listed?

The listing states a maximum output of 40000 lumens and a color temperature of 6500 Kelvin. These are manufacturer claims rather than independent measurements.

What is included?

The listed package contents are two H4 bulbs, two install gloves, one user manual and one decoder card.