Bulb size & fitment reference

Audi S4
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 for 2024 Audi S4

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

Glove Box 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.

Audi S4 (2023–2024) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Glove Box LightT10 / 194 / 168Shop position →
View Fitment Options →

Audi S4 (2021) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH11Shop position →
Headlight Low BeamD5SShop position →
Rear Turn SignalBAU15SShop position →
Reverse Light912 / 921 / T15Shop position →
View Fitment Options →

Audi S4 (2020) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH11Shop position →
Rear Turn SignalBAU15SShop position →
Brake Light1156 / BA15SShop position →
Outer Tail Light1156 / BA15SShop position →
Inner Tail Light912 / 921 / T15Shop position →
Reverse Light912 / 921 / T15Shop position →
View Fitment Options →

Audi S4 (2019) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH11Shop position →
Headlight High & Low BeamD5SHIDShop position →
Cornering LightH11HIDShop position →
Rear Turn SignalBAU15SShop position →
Outer Brake Light1156 / BA15SShop position →
Outer Tail Light1156 / BA15SShop position →
Inner Tail Light912 / 921 / T15Shop position →
Outer Reverse Light912 / 921 / T15Shop position →
View Fitment Options →

Audi S4 (2018) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH11Shop position →
Fog Light912 / 921 / T15Shop position →
Rear Turn SignalBAU15SShop position →
Brake Light1156 / BA15SShop position →
Tail Light912 / 921 / T15Shop position →
View Fitment Options →

Audi S4 (2016) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High & Low BeamD3SShop position →
Fog LightH11Shop position →
Cornering LightH7Shop position →
Reverse Light912 / 921 / T15Shop position →
Dome Light36MMShop position →
Map LightT10 / 194 / 168Shop position →
Interior Door LightT10 / 194 / 168Shop position →
Vanity Mirror Light36MMShop position →
Glove Box LightT10 / 194 / 168Shop position →
Trunk LightT10 / 194 / 168Shop position →
View Fitment Options →

Audi S4 (2013–2015) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High & Low BeamD3SShop position →
Headlight High & Low BeamH7For Vehicle Without XenonShop position →
Fog LightH11Shop position →
Cornering LightH7Shop position →
Reverse Light912 / 921 / T15Shop position →
Dome Light36MMShop position →
Map LightT10 / 194 / 168Shop position →
Interior Door LightT10 / 194 / 168Shop position →
Vanity Mirror Light36MMShop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk LightT10 / 194 / 168Shop position →
View Fitment Options →

Audi S4 (2010–2012) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High & Low BeamD3SShop position →
Headlight High & Low BeamH7For Vehicle Without XenonShop position →
Fog LightH11Shop position →
Rear Turn Signal1156 / BA15SShop position →
Brake Light1156 / BA15SShop position →
Tail Light1156 / BA15SShop position →
Reverse Light912 / 921 / T15Shop position →
License Plate Light36MMShop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Map LightT10 / 194 / 168Shop position →
Interior Door LightT10 / 194 / 168Shop position →
Vanity Mirror Light36MMShop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk LightT10 / 194 / 168Shop position →
View Fitment Options →

Audi S4 (2007–2008) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH7Halogen CapsuleShop position →
Headlight High & Low BeamD1SHIDShop position →
Headlight High & Low BeamH11For Vehicle With XenonShop position →
Headlight High & Low BeamH7For Vehicle Without XenonShop position →
Headlight Low BeamD1SHIDShop position →
Headlight Low BeamH7Halogen CapsuleShop position →
Fog LightH11Shop position →
Daytime Running Light1156 / BA15SShop position →
Front Turn Signal1156 / BA15SShop position →
Parking LightT10 / 194 / 168Shop position →
Rear Turn Signal1156 / BA15SShop position →
Brake Light1156 / BA15SShop position →
Center High Mount Stop Light1156 / BA15SShop position →
Reverse Light1156 / BA15SShop position →
License Plate Light36MMShop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Dome Light36MMShop position →
Map LightT10 / 194 / 168Shop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light36MMShop position →
Engine Compartment Light36MMShop position →
View Fitment Options →

Audi S4 (2005–2006) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH11Halogen Capsule Headlamps · CabrioletShop position →
Headlight High BeamH7Avant / Base / HID Headlamps · CabrioletShop position →
Headlight High & Low BeamH11For Vehicle With XenonShop position →
Headlight High & Low BeamH7For Vehicle Without XenonShop position →
Fog LightH11Shop position →
Daytime Running Light1156 / BA15SHalogen CapsuleShop position →
Front Inner Turn Signal3157 / 3156Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn SignalBAU15SShop position →
Brake Light1156 / BA15SBaseShop position →
Brake Light1157Avant / CabrioletShop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
License Plate Light36MMShop position →
Front Side Marker Light3157 / 3156Shop position →
Rear Side Marker Light1157Shop position →
Dome Light36MMShop position →
Interior Door LightT10 / 194 / 168Shop position →
Vanity Mirror Light36MMShop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk LightT10 / 194 / 168Shop position →
Luggage Compartment Light36MMShop position →
Engine Compartment Light36MMShop position →
View Fitment Options →

Audi S4 (2004) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH11Halogen Capsule Headlamps · CabrioletShop position →
Headlight High BeamH7Avant / Base / HID Headlamps · CabrioletShop position →
Headlight High & Low BeamH7Shop position →
Fog LightH11Shop position →
Daytime Running Light1156 / BA15SHalogen CapsuleShop position →
Front Inner Turn Signal3157 / 3156Shop position →
Parking Light3157 / 3156Avant / CabrioletShop position →
Parking LightT10 / 194 / 168BaseShop position →
Rear Turn SignalBAU15SShop position →
Brake Light1157Shop position →
Reverse Light1156 / BA15SShop position →
License Plate Light36MMShop position →
Front Side Marker Light3157 / 3156Shop position →
Rear Side Marker Light1157Shop position →
Dome Light36MMShop position →
Interior Door LightT10 / 194 / 168Shop position →
Vanity Mirror Light36MMShop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light36MMBaseShop position →
Trunk LightT10 / 194 / 168CabrioletShop position →
Luggage Compartment Light36MMShop position →
Engine Compartment Light36MMShop position →
View Fitment Options →

Audi S4 (2002) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH7Shop position →
Headlight High & Low BeamH7Shop position →
Headlight Low BeamD2SHIDShop position →
Headlight Low BeamH7Halogen CapsuleShop position →
Fog LightH11Shop position →
Front Inner Turn Signal3157 / 3156Shop position →
Parking LightT10 / 194 / 168Shop position →
Rear Turn Signal1156 / BA15SAvantShop position →
Rear Turn SignalBAU15SBaseShop position →
Brake Light1157Shop position →
Center High Mount Stop LightT10 / 194 / 168Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
License Plate Light36MMShop position →
Front Side Marker Light3157 / 3156Shop position →
Rear Side Marker Light1157Shop position →
Dome Light36MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box Light36MMShop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk LightT10 / 194 / 168Shop position →
Luggage Compartment LightT10 / 194 / 168Shop position →
Engine Compartment Light36MMShop position →
View Fitment Options →

Audi S4 (2001) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH7Shop position →
Headlight Low BeamD2SHIDShop position →
Headlight Low BeamH7Halogen CapsuleShop position →
Fog LightH7Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Inner Turn Signal3157 / 3156Shop position →
Rear Turn Signal1156 / BA15SBaseShop position →
Rear Turn Signal1157AvantShop position →
Brake Light1157Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
License Plate Light36MMShop position →
Front Side Marker Light3157 / 3156Shop position →
Rear Side Marker Light1157AvantShop position →
Rear Side Marker LightT10 / 194 / 168BaseShop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light36MMShop position →
Interior Door LightT10 / 194 / 168Shop position →
Vanity Mirror Light36MMShop position →
Glove Box Light36MMShop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light36MMShop position →
Engine Compartment Light36MMShop position →
View Fitment Options →

Audi S4 (2000) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH7Shop position →
Headlight Low BeamD2SHIDShop position →
Headlight Low BeamH7Halogen CapsuleShop position →
Fog LightH7Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Inner Turn Signal3157 / 3156Shop position →
Rear Turn Signal1156 / BA15SShop position →
Brake Light1157Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
License Plate Light36MMShop position →
Front Side Marker Light3157 / 3156Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light36MMShop position →
Interior Door LightT10 / 194 / 168Shop position →
Vanity Mirror Light36MMShop position →
Glove Box Light36MMShop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light36MMShop position →
Engine Compartment Light36MMShop position →
View Fitment Options →

Audi S4 (1992–1994) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9006 / HB4Shop position →
Fog LightH3Shop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Rear Turn Signal1157Shop position →
Brake Light1157Shop position →
Center High Mount Stop LightT10 / 194 / 168Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop 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.