Peterbilt 387 Headlight Bulb Size
Introduction
The Peterbilt 387 is a popular heavy-duty truck known for its durability and reliability. One important aspect of maintaining this vehicle is ensuring that the headlights are in proper working condition. If you need to replace the headlight bulbs on your Peterbilt 387, it is essential to know the correct bulb size to ensure a perfect fit. In this article, we will provide you with the necessary information regarding the headlight bulb size for the Peterbilt 387.
Headlight Bulb Size Table
To make it easier for you to find the correct headlight bulb size for your Peterbilt 387, we have compiled a table below:
| Headlight | Bulb Size |
|---|---|
| Low Beam | H11 |
| High Beam | 9005 |
Understanding the Bulb Sizes
Now that you have the bulb sizes for the low beam and high beam headlights of your Peterbilt 387, let’s take a closer look at what these numbers mean:
– H11: The H11 bulb is a single filament bulb commonly used for low beam headlights. It provides a focused and controlled beam of light, ensuring optimal visibility while driving.
– 9005: The 9005 bulb is a single filament bulb used for high beam headlights. It produces a brighter and more intense light, allowing for better visibility at longer distances.
Replacing the Headlight Bulbs
If you need to replace the headlight bulbs on your Peterbilt 387, follow these steps:
1. Park your truck on a level surface and turn off the engine. Make sure the headlights are switched off as well.
2. Open the hood of your truck and locate the back of the headlight assembly.
3. Depending on the specific model and year of your Peterbilt 387, you may need to remove a cover or access panel to reach the headlight bulb.
4. Once you have access to the back of the headlight assembly, locate the bulb socket. Twist it counterclockwise to remove it from the assembly.
5. Carefully remove the old bulb from the socket and replace it with the new bulb of the correct size (H11 for low beam, 9005 for high beam).
6. Insert the bulb socket back into the headlight assembly and twist it clockwise to secure it in place.
7. Test the new bulb by turning on the headlights. Ensure that both the low beam and high beam functions are working correctly.
8. If everything is functioning properly, replace any covers or access panels that were removed earlier.
Conclusion
Knowing the correct headlight bulb size for your Peterbilt 387 is crucial for maintaining optimal visibility and safety while driving. Refer to the table provided in this article to ensure you purchase the right bulbs. If you need to replace the headlight bulbs, follow the step-by-step instructions outlined above. By taking care of your truck’s headlights, you can enjoy a well-lit road ahead during your journeys.