Bulb size & fitment reference

2007–2017 Acura RDX
Bulb Size Guide

Get the bulb-size answer first, then check factory-system differences and position-specific notes before buying.

Select Your Vehicle

Quick Answer

Start with the positions you’re most likely to replace. Full fitment details are below.

Reverse Light

912 / 921 / T15

Shop this position →

Dome Light

31MM

Shop this position →

Fog Light

H11

Shop this position →

Front Side Marker Light

T10 / 194 / 168

Shop this position →

Full Bulb Fitment by Lighting Position

Find the bulb size for each lighting position and check any fitment notes before ordering.

Acura RDX (2017) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Fog LightH11Shop position →
Rear Turn Signal7443Shop position →
Reverse Light912 / 921 / T15Shop position →
Outer Reverse Light912 / 921 / T15Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Dome Light31MMShop position →
Interior Door LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk LightT10 / 194 / 168Shop position →
Luggage Compartment LightT10 / 194 / 168Shop position →
View Fitment Options →

Acura RDX (2016) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Fog LightH11Shop position →
Rear Turn Signal7443Shop position →
Reverse Light912 / 921 / T15Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Dome Light31MMShop position →
Interior Door LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk LightT10 / 194 / 168Shop position →
Luggage Compartment LightT10 / 194 / 168Shop position →
View Fitment Options →

Acura RDX (2013–2015) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low BeamD2SHIDShop position →
Headlight Low BeamH11Halogen CapsuleShop position →
Fog LightH11Shop position →
Daytime Running Light9005 / HB3Shop position →
Front Turn Signal7443Shop position →
Parking Light7443Shop position →
Rear Turn Signal7443Shop position →
Brake Light7443Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail LightT10 / 194 / 168Shop position →
Outer Tail Light7443Shop position →
Inner Tail LightT10 / 194 / 168Shop position →
Reverse Light912 / 921 / T15Shop position →
License Plate LightT10 / 194 / 168Shop position →
Rear Side Marker Light7443Shop position →
Dome Light31MMShop position →
Interior Door LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk LightT10 / 194 / 168Shop position →
Luggage Compartment LightT10 / 194 / 168Shop position →
View Fitment Options →

Acura RDX (2007–2012) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low BeamD2SShop position →
Fog LightH11Shop position →
Daytime Running Light9005 / HB3Shop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Rear Turn Signal7443Shop position →
Brake Light7443Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail LightT10 / 194 / 168Shop position →
Outer Tail Light7443Shop position →
Inner Tail LightT10 / 194 / 168Shop position →
Reverse Light7443Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Dome Light31MMShop position →
Map LightT10 / 194 / 168Shop position →
Interior Door LightT10 / 194 / 168Shop position →
Trunk LightT10 / 194 / 168Shop position →
Luggage Compartment LightT10 / 194 / 168Shop position →
View Fitment Options →
Fitment Reminder
Bulb size can vary by factory setup. If you're unsure which option applies to your vehicle, confirm your current bulb or select your configuration on the product page.