4 Years Available
Buick Cascada Light Bulb Sizes
Complete bulb size reference for the Buick Cascada from 2016 to 2019. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Our database lists the same D3S low beam bulb for Buick cascada entries from 2016 to 2019. Confirm your trim and factory lighting package before buying.
Year Range
2016 – 2019
4 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Low Beam | D3S(2016–2019) | 4 years | Consistent |
| High Beam | D3S(2016–2019) | 4 years | Consistent |
| Fog Light | H11(2016–2019) | 4 years | Consistent |
| Turn Signal Front | 7444NA(2016–2019) | 4 years | Consistent |
| Turn Signal Rear | 12496(2016–2019) | 4 years | Consistent |
| License Plate | 2825(2016–2019) | 4 years | Consistent |
| Parking Light | 7444NA(2016–2019) | 4 years | Consistent |
| Reverse Light | 921(2016–2019) | 4 years | Consistent |
| Side Marker | W5W(2016–2019) | 4 years | Consistent |
| Map Light | W5W(2016–2019) | 4 years | Consistent |
Common Cascada Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Buick Cascada from 2016 to 2019, covering 4 model years. Select your year below for a complete position-by-position bulb chart.
No, the Buick Cascada has used the D3S low beam bulb consistently across all 4 model years in our database. Any year in the 2016–2019 range uses the same bulb.
The Buick Cascada uses a D3S bulb for the low beam (same bulb serves both high and low beam via dual filament), and a H11 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Buick Cascada uses a D3S 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.