Trim, body style, and factory lighting can affect fitment. Check the notes in the chart before ordering.
Headlights and Fog Lights
Front Exterior Lights
| Light position | Bulb size | Fitment |
|---|---|---|
| DRL | LED | — |
| Parking | 1157A | Compare to original - Option 1 |
| Parking | LED | Compare to original - Option 2 |
| Turn Signal | LED | Compare to original - Option 2 |
| Turn Signal | 1157A | Compare to original - Option 1 |
| Side Marker Front | LED | Compare to original - Option 2 |
| Side Marker Front | 168NA | Compare to original - Option 1 |
Rear Exterior Lights
| Light position | Bulb size | Fitment |
|---|---|---|
| Center Stop | LED | — |
| Brake | LED | — |
| License Plate | LED | — |
| Tail Light | LED | — |
| Side Marker Rear | LED | — |
| Back Up | 921 | Compare to original - Option 1 |
| Back Up | LED | Compare to original - Option 2 |
| Turn Signal Rear | LED | Compare to original - Option 2 |
| Turn Signal Rear | 7440 | Compare to original - Option 1 |
Interior Lights
Exterior Lights
| Light position | Bulb size | Fitment |
|---|---|---|
| Stepwell | LED | — |
About the 2018 Acura RLX Bulb Chart
This chart lists the recorded exterior and interior bulb positions for the 2018 Acura RLX. Body style can still change the bulb a vehicle uses in a given position. Trim level and factory lighting equipment may also affect fitment, so two vehicles with the same year, make, and model are not always identical. Compare the original bulb and socket before ordering a replacement. Where a row is recorded as an LED unit, the lamp may be a complete assembly rather than a separately replaceable bulb. Use the chart to identify the stored size, then confirm the part number on the lamp you remove.
Before ordering
Body style, trim, and factory lighting packages can affect fitment. Confirm the original bulb type and base before ordering a replacement. A replacement should match the recorded size and socket for that position on your vehicle.
Reviewed by Brent Ordway
Brent Ordway is an ASE-certified car technician. He has been working on cars since he was a teenager and loved helping people keep their vehicles running smoothly. Brent's skills as a mechanic are unrivaled. In 2022, he earned his place on the list of winners for the ASE Master Automobile Technician of the Year award.
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Acura RLX Bulb Chart By Years
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