What is the low beam headlight bulb size for a 1989 Volvo 740?

The 1989 Volvo 740 uses a H4656 LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 1989 Volvo 740?

The high beam bulb size for the 1989 Volvo 740 is H4651 LED.

Why are my 1989 Volvo 740 headlights dim?

Dim headlights on a 1989 Volvo 740 can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H4656 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1989 Volvo 740 fog light?

The 1989 Volvo 740 uses a H3 LED bulb for the fog light position.

Is the 1989 Volvo 740 single or dual beam?

The 1989 Volvo 740 uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 1989 Volvo 740?

Yes, the 1989 Volvo 740 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H4656 LED LED conversion kit for the low beams.

Does the 1989 Volvo 740 have fog lights?

Yes, the 1989 Volvo 740 takes a H3 LED bulb for the fog light position.

How do I change the headlight on a 1989 Volvo 740?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old H4656 LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 1989 Volvo 740?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved H4656 LED LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 1989 Volvo 740 headlights?

A pair of halogen H4656 LED bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 1989 Volvo 740?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the H4656 LED position are available as direct plug-and-play replacements.

This vehicle is part of the 1988–1989 Volvo 740 generation. All models in this range share identical light bulb sizes.

Fitment Guaranteed for 1989 Volvo 740

What Size Bulbs Does a 1989 Volvo 740 Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Hard (Tight clearances)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 1989 Volvo 740 Have?

Lighting on the 1989 Volvo 740 is managed by a total of 12 bulbs, covering everything from primary headlights to signal indicators. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H4656 LED low beam and H4651 LED high beam bulbs for precise light distribution. This model belongs to the mid years of the 740's 1986-1992 production span.

Can You Put LED Bulbs in a 1989 Volvo 740?

Upgrading to LED is one of the most effective ways to modernize your Volvo's appearance and safety profile. We recommend starting your upgrade with the H4656 LED low beams, as they see the most use. Adding a matching H4651 LED LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H3 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

1989 Volvo 740 Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H4656 LED	Buy H4656 LED →
High Beam	H4651 LED	Buy H4651 LED →
Fog Light	H3 LED	Buy H3 LED →
Brake Light	7506 LED	Buy 7506 LED →
Side Marker	7528 LED	Buy 7528 LED →
Turn Signal Front	1157NA LED	Buy 1157NA LED →
Turn Signal Rear	7528 LED or 5007 LED	Buy 7528 LED or 5007 LED →
Dome Light	6411	Buy 6411 →
License Plate	3893	Buy 3893 →
Parking Light	1157NA	Buy 1157NA →
Reverse Light	7506	Buy 7506 →
Trunk Light	6411	Buy 6411 →