5 Years Available
Volvo 780 Light Bulb Sizes
Complete bulb size reference for the Volvo 780 from 1987 to 1991. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Every Volvo 780 from 1987 to 1991 uses the same 9004 low beam bulb — once you confirm your year is within this range, you only need one part number.
Year Range
1987 – 1991
5 model yearsCommon 780 Replacement Parts
Select Your Year
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Frequently Asked Questions
We have bulb size data for the Volvo 780 from 1987 to 1991, covering 5 model years. Select your year below for a complete position-by-position bulb chart.
No, the Volvo 780 has used the 9004 low beam bulb consistently across all 5 model years in our database. Any year in the 1987–1991 range uses the same bulb.
The Volvo 780 uses a 9004 bulb for the low beam. Select your year below for the exact fitment chart.
Yes. The Volvo 780 uses a 9004 low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.
Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.