Low-beam: H11. High-beam: 9005.
The 2004 Honda Pilot uses separate bulbs for each headlamp function, with the most common configuration being H11 for the low beams and 9005 for the high beams. Some trims or aftermarket replacements can differ, so check your owner's manual or inspect the bulb socket to confirm the correct sizes for your vehicle.
Headlight bulb sizes for the 2004 Pilot
The following sizes cover the typical factory setup on 2004 Pilots, with notes on variations by trim and market.
- Low beam bulb: H11
- High beam bulb: 9005 (also listed as HB3)
- Fog light bulb (if equipped): commonly H3 or H11, depending on trim; verify before purchasing
Bulb sizes can vary by region and optional equipment. When in doubt, remove the bulb to confirm the part number or consult your dealer.
Low beam details
The low beams use an H11 bulb, typically around 55 watts. These bulbs are common for 2000s-era Honda SUVs and are readily available at auto parts stores. Avoid touching the glass with bare fingers to prevent oil residue from shortening bulb life.
High beam details
The high beams use a 9005 bulb (also known as HB3). They are usually around 60 watts and provide bright, long-range illumination. Handle bulbs with care and avoid skin oils during installation.
How to replace headlight bulbs on a 2004 Honda Pilot
Replacing headlight bulbs is a straightforward maintenance task, but it should be done with care to avoid damaging the housing or wiring.
- Park the vehicle, turn off the engine, and set the parking brake. If you’ll be working near the battery, consider disconnecting the negative terminal for safety.
- Open the hood and locate the headlight assembly. Remove the dust cover, if present, by turning it counterclockwise.
- From behind the headlight, unplug the electrical connector from the bulb. Twist the bulb socket or retaining clip to release the bulb (the exact method varies by trim).
- Remove the old bulb and insert the new one. Do not touch the glass with bare hands; if contact occurs, wipe the bulb with alcohol and a lint-free cloth or wear gloves.
- Reconnect the wiring harness and reattach the dust cover. Test the headlights to ensure proper operation.
Using the correct bulb type and proper handling minimizes the risk of failure and ensures optimal lighting performance.
Tips for buying and safety
Choose OEM-equivalent or higher-performance bulbs if you want brighter output, but ensure your headlight housing can tolerate higher brightness. Always verify fitment for your specific VIN, since trim levels and regional markets can affect the exact bulb size. Dispose of old bulbs following local regulations.
Summary
For a 2004 Honda Pilot, the standard headlight sizes are typically H11 for low beams and 9005 for high beams, with fog-light bulbs varying by trim (often H3 or H11). Replacement is straightforward with the right tools and care to avoid skin oils on the glass. When in doubt, consult the owner's manual or a Honda dealer to confirm exact part numbers for your vehicle.


