KATUR H4 9003 HB2 Hi/Lo LED Headlight Bulbs, 120W, 6000K, Pack of 2

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Product guide

KATUR H4 9003 HB2 Hi/Lo LED Headlight Bulbs, 120W, 6000K, Pack of 2

Pack: KATUR H4 9003 HB2 Hi/Lo LED headlight bulbs are a two-bulb conversion kit, listed with a 6000K white colour, built-in cooling fan and plug-and-play installation. The listing claims 120W and 30000 lumens per pair, but customer feedback includes concerns about longevity, so its claimed 60000-hour life should not be treated as confirmed.

At a glance

H4 9003 HB2 format with high/low beam operation, according to the listing.
The listing specifies 120W and 30000 lumens per pair, rather than per bulb.
Built-in high-speed fan and copper heat-conducting tube are claimed for cooling.
The seller describes the bulbs as compact, without an external driver, and plug and play.
A built-in Canbus decoding system is claimed, with a warning that some vehicles may still show errors or flashing.

Price

£29.74Save 15%

Reference price: ~~£34.99~~

Price checked: 14 Nov 2026

View offer

Often bought together

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Pros and cons

Pros

Two bulbs are specified, suitable for replacing a pair when the vehicle uses the matching H4 format.
The listed high/low beam format combines both beam functions in one compatible bulb type.
The compact, halogen-sized design and plug-and-play claim may simplify installation where the vehicle housing and socket are compatible.

Cons

Cooling uses a built-in fan, adding a moving component compared with a fanless design.
Customer feedback includes reports of bulbs failing before a year, despite the listing's much longer claimed operating life.

Technical specifications

13 specifications

Identity
Brand	KATUR
Model	H4 9003 HB2 Hi/Lo
Manufacturer part number	RL-2AMCL-1338-H4

Lighting
Bulb type	TOP AUTOMOTIVE GRADE GC LED CHIPS
Wattage	120 watts
Maximum light output	30000 Lumens
Colour temperature	6000 Kelvin
Light colour	6000K Xenon White
Position	Front
Claimed operating life	60000 Hours

Fit and quantity
Fit type	Universal Fit
Number of pieces	2
Set name	H4 LED Headlight Conversion Kit (2 Piece)

What to know before buying

Listing details to confirm

Confirm the vehicle requires H4/9003/HB2 bulbs and that LED conversion is suitable for its headlamp. Although the listing claims compatibility with 99% of vehicles, it warns that some vehicle systems may show error messages or flashing. Its claimed 60000-hour life is not confirmed by customer feedback, which also reports early failures.

Who is it for?

A good fit for

Drivers seeking an H4-format LED pair with both high and low beam functions, if their vehicle accepts this conversion.
Buyers who want a compact bulb design and are comfortable with a fan-cooled unit.

Less suited to

Drivers who need confirmed long-term durability or a fanless bulb.
Anyone whose vehicle requires a different bulb type or whose headlamp setup is not suitable for LED conversion.

KATUR H4 9003 HB2 Hi/Lo LED Headlight Bulbs, 120W, 6000K, Pack of 2 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 1,065 ratings

5 stars66%66%
4 stars15%15%
3 stars5%5%
2 stars3%3%
1 star11%11%

Customer feedback highlights brightness, white colour, perceived beam improvement and ease of installation. Some customers report that the lights do not dazzle oncoming motorists, but that experience does not establish a result in every headlamp. Reliability and fit feedback is mixed, and some buyers report early failures. This matters given the listed 60000-hour life is a manufacturer claim, not a confirmed durability result.

Positive themes

Customers describe the bulbs as bright and white, and report improved beam quality.
Some customers say installation is easy and that the bulbs do not blind oncoming motorists.

Negative themes

Some customers report bulbs failing in less than a year, raising a durability concern.

Mixed feedback

Reliability and fit feedback is mixed.

Frequently asked questions

Are these bulbs a pair?

The listing specifies two pieces and describes the set as a two-piece H4 LED headlight conversion kit.

What vehicle bulb format do they use?

The model is listed as H4 9003 HB2 Hi/Lo. Check the vehicle's required bulb format before buying, as the listing's universal-fit claim does not confirm compatibility with every vehicle.

Do they have a cooling fan?

Yes. The feature text describes a built-in 16000RPM fan and copper heat-conducting tube.

Is the claimed 60000-hour life assured?

No. It is a listing claim, not a verified lifespan. Customer feedback is mixed on reliability and includes reports of bulbs failing in under a year.