Audi A4/S4 Avant Bose Amplifier / Amp 8D9035381B

OEM Part #: 8D9-035-381-B (8D9035381B)

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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

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Enhance your Audi A4, A4 Quattro, or S4 with this genuine AVANT BOSE AMPLIFIER (OEM Part Number: 8D9035381B). Sourced from salvaged vehicles, this factory-original part restores audio quality by delivering crisp, powerful sound through your vehicle's BOSE sound system. This amp replaces worn-out or non-functioning amplifiers, resolving issues such as distorted sound or complete audio loss. Compatible with Audi models from 1998 to 2002, including the A4 and S4, it ensures a seamless fit and optimal performance. Trust in authentic OEM craftsmanship to bring your vehicle's stereo system back to life. Perfect for Audi enthusiasts seeking reliable replacements.

Specifications

Specifications for Avant Bose Amplifier / Amp 8D9035381B
Fits Vehicle ModelA4, S4
Fits Vehicle MakeAudi
OEM Part No8D9-035-381-B (8D9035381B)
CategoryAudio / Video

Compatible Vehicles

Fits 18 vehicle configurations across 1 make, 1998-2002.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • A4 1998-2001 · 16 variants
  • S4 2001-2002 · 2 variants
View all 18 vehicle configurations
Full vehicle fitment list for Avant Bose Amplifier / Amp 8D9035381B
Year Make Model Trim Engine Note
1998 Audi A4 Wagon 2.8L V6
1998 Audi A4 Sedan 1.8L l4 Turbo
1998 Audi A4 Sedan 2.8L V6
1998 Audi A4 Quattro Wagon 2.8L V6
1999 Audi A4 Sedan 1.8L l4 Turbo
1999 Audi A4 Sedan 2.8L V6
1999 Audi A4 Quattro Wagon 1.8L l4 Turbo
1999 Audi A4 Quattro Wagon 2.8L V6
2000 Audi A4 Sedan 1.8L l4 Turbo
2000 Audi A4 Sedan 2.8L V6
2000 Audi A4 Quattro Wagon 1.8L l4 Turbo
2000 Audi A4 Quattro Wagon 2.8L V6
2001 Audi A4 Sedan 1.8L l4 Turbo
2001 Audi A4 Sedan 2.8L V6
2001 Audi A4 Quattro Wagon 1.8L l4 Turbo
2001 Audi A4 Quattro Wagon 2.8L V6
2001 Audi S4 Wagon 2.7L V6 Turbo
2002 Audi S4 Wagon 2.7L V6 Turbo

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