1 Years Available
Mercury Grand Marguis Light Bulb Sizes
Complete bulb size reference for the Mercury Grand Marguis from 1977 to 1977. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Our database lists the same H5006 low beam bulb for Mercury grand-marguis entries from 1977 to 1977. Confirm your trim and factory lighting package before buying.
Year Range
1977 – 1977
1 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| High Beam | H5001(1977–1977) | 1 years | Consistent |
| Low Beam | H5006(1977–1977) | 1 years | Consistent |
| Turn Signal Front | 1157A(1977–1977) | 1 years | Consistent |
| Side Marker | 194(1977–1977) | 1 years | Consistent |
| License Plate | 168(1977–1977) | 1 years | Consistent |
| Brake Light | 1157(1977–1977) | 1 years | Consistent |
| Turn Signal Rear | 1157(1977–1977) | 1 years | Consistent |
| Parking Light | 1157A(1977–1977) | 1 years | Consistent |
| Tail Light | 1157(1977–1977) | 1 years | Consistent |
| Reverse Light | 1156(1977–1977) | 1 years | Consistent |
Common Grand Marguis Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Mercury Grand-Marguis from 1977 to 1977, covering 1 model years. Select your year below for a complete position-by-position bulb chart.
No, the Mercury Grand-Marguis has used the H5006 low beam bulb consistently. Any year in the 1977–1977 range uses the same bulb.
The Mercury Grand-Marguis uses a H5006 bulb for the low beam and a H5001 for the high beam. Select your year below for the exact fitment chart.
Yes. The Mercury Grand-Marguis uses a H5006 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.