
PIAA 15223 H3 Xtreme White Plus
$67.15
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Used for: Fog Light Bulb Front
Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam and Low Beam
Used for: Back Up Reverse Light Bulb, Turn Signal Light Bulb Rear
Used for: Brake Light Bulb, Tail Light Bulb
Used for: License Plate Light Bulb, Map Light Bulb
Used for: License Plate Light Bulb, Map Light Bulb
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front
Used for: Side Marker Light Bulb Rear
Used for: Ash Tray Light Bulb(Compare to original - Option 1), Glove Box Light Bulb
Used for: Ash Tray Light Bulb(Compare to original - Option 2)
Used for: Courtesy Light Bulb
Used for: Courtesy Light Bulb
Used for: Dome Light Bulb, Trunk or Cargo Area Light
This page covers bulb sizes for the 1999 Acura SLX and is organized by lighting position so you can quickly verify the correct replacement before you buy. Whether you are changing a headlight, a marker lamp, or a small interior bulb, matching the bulb to the exact location helps avoid fitment mistakes.
The 1999 Acura SLX uses a mix of exterior and interior bulb types, and some positions may vary by trim, market, or lighting package. Use the chart below as a practical reference for common bulb locations on this model, including headlights, tail lamps, reverse lights, courtesy lights, and cargo-area lighting.
For best results, compare the bulb in your vehicle before ordering, especially if your SLX has been modified or if the lighting package differs from the original setup. Halogen bulbs and LED replacements do not always share the same beam pattern, brightness, or connector fit, and some aftermarket LED conversions may require additional adapters or resistors to work correctly. If a bulb has been replaced before, the installed part may not match the factory listing, so checking the old bulb first is the safest way to confirm the correct size.
The high beam and low beam headlight bulb size listed for the 1999 Acura SLX is 9004.
The front turn signal bulb size is 1157 or 198, depending on the specific lamp setup.
The parking light bulb size listed for the 1999 Acura SLX is 1157 or 198.
The front fog light bulb size is H3C or H3.
The rear brake light bulb size is 1157R.
The tail light bulb size is 1157R.
The rear turn signal bulb size is 1156.
The back up reverse light bulb size is 1156.
The front side marker light bulb size is 194NA.
The rear side marker light bulb size is 1157A.
The license plate light bulb size is 168 or 917.
The map light bulb size is 168 or 917, and the courtesy light bulb size is 194 or 7441.
Both the dome light bulb and the trunk or cargo area light bulb are listed as DE3175.
The glove box light bulb size is 2721.
Yes. The chart lists two ash tray bulb references: 2721 for one original-equipment comparison and 74 for another option.
Because trim, market, and prior repairs can change the bulb used in a given position. Checking the installed bulb helps confirm the exact fit before purchase.