2017-2024 Audi A4/S4 Door Seal / Weather Stripping (INNER) Front, Left, Right 8W0831721B

OEM Part #: 8W0-831-721-B (8W0831721B)

$29.49
Side: Front, Left, Right Used
Donor2023 Audi A4 · 2.0L · 14k miles
SKU: 627773 · 30-Day Returns
✓ Free Same Day Shipping on orders by noon CT
Only 1 in stock — no guaranteed restock
Door Seal / Weather Stripping (INNER) 8W0831721B — Used (SKU 627773)
Genuine OEM Used SKU: 627773 Donor Vehicle: 2023 Audi A4 · 2.0L · 14k miles 2 photos
$29.49
30-Day Returns
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
  • Ships from our own indoor warehouse

Genuine Audi door seal / weather stripping (inner) with OEM part number 8W0831721B — a used, OEM example from a donor car. This inner door weather stripping, also known as the door seal, replaces earlier numbers 8W0831721, 8W0831721A, and 8W0831721C. Designed for the front doors (left and right). When the seal deteriorates, you may notice wind noise or water leaks into the cabin.

Specifications

Specifications for Door Seal / Weather Stripping (INNER) 8W0831721B
Fits Vehicle ModelA4, S4
Fits Vehicle MakeAudi
OEM Part No8W0-831-721-B (8W0831721B)
Compatible OEM Part No 8W0-831-721-A, 8W0-831-721, 8W0-831-721-C
SideFront, Left, Right
CategoryDoors

Compatible Vehicles

Fits 19 vehicle configurations across 1 make, 2017-2024.

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 2017-2024 · 12 variants 12 with notes
  • S4 2018-2024 · 7 variants 7 with notes
View all 19 vehicle configurations 19 with fitment notes
Full vehicle fitment list for Door Seal / Weather Stripping (INNER) 8W0831721B
Year Make Model Trim Engine Note
2024 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 08/22/16
2022 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 08/22/16
2024 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2023 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 08/22/16
2021 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 08/22/16
2020 Audi A4 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2022 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2021 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2023 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2020 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2020 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 08/22/16
2019 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 08/22/16
2018 Audi A4 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2018 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2017 Audi A4 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2017 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2019 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2019 Audi A4 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 08/22/16
2018 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 08/22/16

Ask a parts specialist

Asking about: Door Seal / Weather Stripping (INNER) 8W0831721B · OEM #8W0831721B