As night falls, does your Audi A4 lose its brilliance due to lighting issues? Proper bulb selection is crucial for both driving safety and maintaining your vehicle's aesthetic appeal. This comprehensive guide provides original equipment manufacturer (OEM) bulb specifications for Audi A4 models from 2000 through 2020, helping you find the perfect lighting solutions.

To efficiently locate your required bulb specifications, we offer these convenient methods:

1. Vehicle Selection Tool: Use the interactive tool at the top of this page to select your Audi A4's production year and bulb location (e.g., headlights, fog lights, taillights). The system will automatically display the corresponding bulb specifications.
2. Year-Specific Charts: We've compiled detailed bulb size charts for each model year from 2000 to 2020. Click any year below to jump directly to its specifications:

• Audi A4 (2000-2001) Bulb Size Chart
• Audi A4 (2002) Bulb Size Chart
• Audi A4 (2003-2006) Bulb Size Chart
• Audi A4 (2007-2008) Bulb Size Chart
• Audi A4 (2009-2014) Bulb Size Chart
• Audi A4 (2015) Bulb Size Chart
• Audi A4 (2016) Bulb Size Chart
• Audi A4 (2017-2018) Bulb Size Chart
• Audi A4 (2019) Bulb Size Chart
• Audi A4 (2020) Bulb Size Chart

• OEM Specifications: The bulb sizes provided reflect original Audi A4 configurations. Aftermarket headlights, fog lights, or taillights may require different bulb types. Always consult the component manufacturer's specifications for modified lighting systems.
• Vehicle Configuration: Specific trim levels and optional packages may affect bulb requirements. We recommend verifying information in your owner's manual or with a certified technician before purchasing replacements.
• Data Accuracy: While we strive for precision, minor discrepancies may exist. Please notify us of any errors to help maintain the guide's reliability.

Below you'll find comprehensive bulb size charts covering all major lighting positions including headlights, fog lights, taillights, turn signals, license plate lights, daytime running lights (DRLs), and interior lights.

• LED Headlight Bulbs: H7, D2S/D2R, D3S/D3R
• HID Headlight Bulbs: D2S/D2R, D3S/D3R
• Reverse Lights: 1156/1157, 3156/3157
• Brake Lights/Taillights: 1156/1157, 3156/3157
• Turn Signals: 1156/1157, 3156/3157
• License Plate Lights: T10/194/168
• Daytime Running Lights: 3156/3157, 1156/1157
• Interior Lights: T10/194/168

• LED Headlight Bulbs: H7, D1S/D1R
• HID Headlight Bulbs: D1S/D1R
• Fog Lights: H11
• Reverse Lights: 1156/1157, 3156/3157
• Brake Lights/Taillights: 1156/1157, 3156/3157
• Turn Signals: 1156/1157, 3156/3157
• License Plate Lights: T10/194/168
• Daytime Running Lights: 3156/3157, 1156/1157
• Interior Lights: T10/194/168

• LED Headlight Bulbs: H11/H8/H9, H7, D1S/D1R, D2S/D2R, D3S/D3R
• HID Headlight Bulbs: D1S/D1R, D2S/D2R, D3S/D3R
• Fog Lights: H11
• Reverse Lights: 1156/1157, 3156/3157
• Brake Lights/Taillights: 1156/1157, 3156/3157
• Turn Signals: 1156/1157, 3156/3157
• License Plate Lights: T10/194/168
• Daytime Running Lights: 3156/3157, 1156/1157
• Interior Lights: T10/194/168

• LED Headlight Bulbs: H7, D1S/D1R
• HID Headlight Bulbs: D1S/D1R
• Fog Lights: H11
• Reverse Lights: 1156/1157
• Brake Lights/Taillights: 1156/1157
• Turn Signals: 1156/1157
• License Plate Lights: T10/194/168
• Daytime Running Lights: 1156/1157
• Interior Lights: T10/194/168

• LED Headlight Bulbs: H7, D3S/D3R
• HID Headlight Bulbs: D3S/D3R
• Fog Lights: H11
• Reverse Lights: T15/921/912
• Brake Lights/Taillights: 1156/1157
• Turn Signals: 1156/1157
• License Plate Lights: T10/194/168
• Daytime Running Lights: 1156/1157
• Interior Lights: T10/194/168, T15/921/912

• LED Headlight Bulbs: D3S/D3R
• HID Headlight Bulbs: D3S/D3R
• Fog Lights: H11
• Reverse Lights: T15/921/912
• Brake Lights/Taillights: 1156/1157
• Turn Signals: 1156/1157
• License Plate Lights: T10/194/168
• Daytime Running Lights: 1156/1157
• Interior Lights: T10/194/168, T15/921/912

• LED Headlight Bulbs: D3S/D3R
• HID Headlight Bulbs: D3S/D3R
• Fog Lights: H11
• Reverse Lights: T15/921/912
• License Plate Lights: T10/194/168
• Interior Lights: T10/194/168, T15/921/912

• Brake Lights/Taillights: 1156/1157
• Turn Signals: 1156/1157
• License Plate Lights: T10/194/168
• Daytime Running Lights: 1156/1157
• Interior Lights: T10/194/168

• Brake Lights/Taillights: 1156/1157
• Turn Signals: 1156/1157
• Daytime Running Lights: 1156/1157

• Reverse Lights: T15/921/912
• Brake Lights/Taillights: 1156/1157
• Turn Signals: 1156/1157
• Daytime Running Lights: 1156/1157
• Interior Lights: T15/921/912

This guide aims to simplify your search for the perfect lighting solutions for your Audi A4. Proper illumination ensures both safety and style on the road.