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hy-led-h4 · H4
H4 LED Headlight Bulb
H4 LED Headlight Bulb with LED media, positioned for Middle East, Southeast Asia, South America.
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Specification
Canonical values from src/data/products.json — the single source of truth.
| Model | hy-led-h4 | Brand | hycarfilter |
|---|---|---|---|
| Category | LED Lights | Series | H4 |
| Filtration Efficiency | — | Media | LED |
| Housing | aluminum | Media Material | CSP LED chip |
| End Cap | aluminum | Seal | — |
| Applicable Vehicles | passenger cars (H4/9003 socket) | ||
| OE Numbers | LED-H4-001 | ||
| Cross Reference | Philips Ultinon H4, Osram H4 LED | ||
| Inner Box | polybag + color box | Outer Carton | 5-ply export carton |
| Carton Qty | 20 pcs | Net Weight | 0.25 kg/unit |
| MOQ | 200 pcs | Lead Time | 15 days |
| Certifications | CE, RoHS | HS Code | 8512209000 |
| Target Markets | Middle East, Southeast Asia, South America | ||
Procurement Concerns for This Category
The real worries a led lights buyer raises — and how we address them.
Lumen & CCT inflation
LED marketing is full of inflated lumen claims. The honest spec is delivered lumens per watt and a stated CCT (color temperature), ideally with an integrating-sphere test report. Ask for the actual lm and CCT, not a "10,000 lumen" sticker.
Fitment & CANbus
Sockets (H4/H7/H11) are not interchangeable, and many modern vehicles trigger a bulb-error warning without a CANbus decoder. Confirm the socket and whether the vehicle needs a decoder to avoid flicker and dashboard errors.
Service life & thermal design
LEDs die from heat, not age. An effective thermal design (aluminum body, fan or passive cooling) and a quality driver determine lifespan far more than the chip itself. A unit that overheats fails fast and visibly.
Storage humidity
Drivers and solder joints are sensitive to moisture and ESD. Keep bulbs sealed and dry; humidity-induced corrosion in the driver is a silent early-failure cause that looks like a bad batch.
Export packaging & certification
LED bulbs are fragile and compliance-led. Individual boxes protect the assembly, and CE / RoHS / EMC documentation is baseline for most markets. Missing certifications, not missing lumens, is what blocks an LED order at customs.
Selection Guide
Confirm the socket type
H4/9003, H7, H11 and others are not interchangeable — confirm the vehicle’s socket before quoting to avoid fitment returns.
Check thermal design
LEDs need effective heat dissipation (aluminum body, fan or passive cooling) to hold output and avoid early failure.
Mind regulation
Some markets restrict LED retrofits for road use; clarify whether the buyer needs off-road or road-legal product.
Certification matters
CE and RoHS are baseline for export; additional regional approvals depend on the destination.
LED headlights are the category where a cheap unit fails fastest — overheating kills the chip, and a flickering or dead bulb is a visible, immediate complaint. I would lead with thermal design and certification rather than lumen claims, because buyers who have been burned once will pay for a product that lasts. Compliance (CE, RoHS, and destination approvals) is the real moat here, and it is worth investing in before scaling volume.
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