2018 Peterbilt 389 Headlight Bulb Size
When it comes to maintaining your vehicle’s headlights, it is essential to know the correct bulb size to ensure proper fitment and optimal performance. In the case of the 2018 Peterbilt 389, having the right headlight bulb size is crucial for safe driving and visibility. Let’s dive into the details of the headlight bulb size for this particular model.
Headlight Bulb Size Table:
| Headlight | Bulb Size |
|---|---|
| Low Beam | H7 |
| High Beam | H7 |
The 2018 Peterbilt 389 uses H7 bulbs for both the low beam and high beam headlights. It is important to note that these bulb sizes are standard for this particular model, but it is always recommended to double-check your vehicle’s manual or consult with a professional to ensure accuracy.
Steps to Replace Headlight Bulbs:
If you need to replace the headlight bulbs in your 2018 Peterbilt 389, here are the steps to follow:
- Locate the headlight assembly that needs bulb replacement.
- Remove the protective cover or dust cap from the back of the headlight assembly.
- Disconnect the electrical connector from the bulb by gently pulling it away.
- Remove the old bulb by twisting it counterclockwise and pulling it out.
- Insert the new H7 bulb into the socket and twist it clockwise to secure it in place.
- Reconnect the electrical connector to the new bulb.
- Replace the protective cover or dust cap on the back of the headlight assembly.
- Repeat the process for the other headlight assembly if necessary.
It is crucial to handle the new bulb with care and avoid touching the glass portion with bare hands. Oils from your skin can cause hot spots on the bulb, leading to reduced lifespan and potential failure. If you accidentally touch the bulb, clean it with rubbing alcohol before installation.
Remember, if you are unsure about the replacement process or want to ensure proper installation, it is always recommended to seek assistance from a professional mechanic or consult your vehicle’s manual for specific instructions.
Conclusion
Knowing the correct headlight bulb size for your 2018 Peterbilt 389 is essential for maintaining optimal visibility and safe driving conditions. By referring to the provided table, you can easily identify that the low beam and high beam headlights both require H7 bulbs. Following the outlined steps, you can confidently replace the headlight bulbs and ensure proper fitment. Remember to exercise caution and seek professional help if needed. Safe travels!