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OSRAM H4 halogen headlight bulb, clear glass with metal base

OSRAM

OSRAM H4 64196 24V 75/70W Truck Line Halogen Headlight Bulb

SKU CH-73E6-3BCG4

A 24 V halogen headlight bulb delivering 1900 lumens with 75/70 W dual-filament output for heavy-duty vehicles

  • Power rating75
  • Light output1900
  • Product typeAutomotive Bulbs
  • Delivers 1900 lumens for clear night visibility
  • Dual 75/70 watt output suits high and low beam
  • 24 volt design matches heavy-duty truck electrical systems
  • Trusted OEM quality from millions of factory installations
  • Cost-effective halogen performance for standard lighting needs

Purpose and fit

This 24-volt H4 halogen bulb delivers 1900 lumens from a 75/70-watt dual-filament design. It is built for trucks and other commercial vehicles that require standard low-beam and high-beam output from a single headlamp unit.

Build integration

The H4 base fits directly into existing headlamp housings wired for 24-volt systems, needing no adapter or ballast. It replaces a failed original-equipment lamp and restores the factory light pattern without modifying wiring or reflectors.

Thermals and power

In normal operation the lamp draws 75 watts on low beam and 70 watts on high beam, producing heat typical of standard halogen technology. The glass envelope and metal base dissipate this energy through the headlamp housing as designed by the vehicle manufacturer.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 80% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameOsram
Product typeAutomotive Bulbs
Display
Light output1900
Power
Power rating75

Questions about this item

How long will the 75 W high-beam filament last before it dims under continuous night driving?

The 75 W filament delivers 1900 lumens and is built to OEM life targets for 24 V truck electrical systems.

Does the bulb run hot enough to melt the headlamp housing during all-day operation?

Halogen output at 75/70 W produces typical heat for H4 envelopes; the Truck Line range is validated in OE headlamps designed for this wattage.

Will this H4 bulb fit my truck without changing the wiring or socket?

It uses the standard H4 base and 24 V rating, matching factory sockets on vehicles originally equipped with 64196 lamps.

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