2017-2025 Audi A4/A5/RS5/S4/S5 Fuel Tank Leak Diagnostic Module 8W0906651C

OEM Part #: 8W0-906-651-C (8W0906651C)

$20.49
Used
Donor2021 Audi A5 SPORTBACK · 2.0L · 50k miles
SKU: 610682 · 30-Day Returns
✓ Free Same Day Shipping on orders by noon CT
Only 1 in stock — no guaranteed restock
Fuel Tank Leak Diagnostic Module 8W0906651C — Used (SKU 610682)
Genuine OEM Used SKU: 610682 Donor Vehicle: 2021 Audi A5 SPORTBACK · 2.0L · 50k miles 2 photos
$20.49
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

A used genuine OEM Audi Fuel Tank Leak Diagnostic Module, OEM part number 8W0906651C. This module also replaces part numbers 8W0906651B and 8W0906651A. It is the component that runs the EVAP system pressure test to detect fuel vapor leaks in the tank and lines. When this module fails, the check engine light may illuminate with a leak-detection or EVAP system code.

Specifications

Specifications for Fuel Tank Leak Diagnostic Module 8W0906651C
Fits Vehicle ModelA4, A5, RS5, S4, S5
Fits Vehicle MakeAudi
OEM Part No8W0-906-651-C (8W0906651C)
Compatible OEM Part No 8W0-906-651-B, 8W0-906-651-A
CategoryFuel / Emissions

Compatible Vehicles

Fits 61 vehicle configurations across 1 make, 2017-2025.

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 5 with notes
  • A5 2017-2025 · 19 variants 15 with notes
  • RS5 2021-2025 · 9 variants 8 with notes
  • S4 2020-2024 · 5 variants 5 with notes
  • S5 2020-2025 · 16 variants 15 with notes
View all 61 vehicle configurations 48 with fitment notes
Full vehicle fitment list for Fuel Tank Leak Diagnostic Module 8W0906651C
Year Make Model Trim Engine Note
2025 Audi RS5 Hatchback 2.9L V6 Turbo
2025 Audi S5 Hatchback 3.0L V6 Turbo
2025 Audi A5 Hatchback 2.0L l4 Turbo
2022 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2024 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2023 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2021 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2024 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2024 Audi S5 Convertible 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2022 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2024 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2021 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2023 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2024 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2020 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2024 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2024 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2024 Audi A5 Hatchback 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2024 Audi RS5 Hatchback 2.9L V6 Turbo For Vehicles with Production Date After 06/15/20
2024 Audi RS5 Coupe 2.9L V6 Turbo For Vehicles with Production Date After 06/15/20
2022 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2022 Audi A5 Hatchback 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2022 Audi RS5 Coupe 2.9L V6 Turbo For Vehicles with Production Date After 06/15/20
2020 Audi A4 Sedan 2.0L l4 Turbo
2023 Audi A5 Hatchback 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2020 Audi S5 Convertible 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2022 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2017 Audi A5 Quattro Coupe 2.0L l4 Turbo
2023 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2020 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2023 Audi S5 Convertible 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2021 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2020 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2020 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2023 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2019 Audi A5 Quattro Coupe 2.0L l4 Turbo
2020 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2021 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2021 Audi S5 Convertible 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2022 Audi S5 Convertible 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2023 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2020 Audi A5 Hatchback 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2021 Audi RS5 Hatchback 2.9L V6 Turbo For Vehicles with Production Date After 06/15/20
2021 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2017 Audi A4 Quattro Sedan 2.0L l4 Turbo
2022 Audi RS5 Hatchback 2.9L V6 Turbo For Vehicles with Production Date After 06/15/20
2023 Audi RS5 Coupe 2.9L V6 Turbo For Vehicles with Production Date After 06/15/20
2022 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2023 Audi RS5 Hatchback 2.9L V6 Turbo For Vehicles with Production Date After 06/15/20
2020 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2021 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2023 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2021 Audi A5 Hatchback 2.0L l4 Turbo For Vehicles with Production Date After 07/20/20
2022 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Production Date After 07/20/20
2018 Audi A5 Quattro Coupe 2.0L l4 Turbo
2019 Audi A4 Quattro Sedan 2.0L l4 Turbo
2019 Audi A4 Sedan 2.0L l4 Turbo
2021 Audi RS5 Coupe 2.9L V6 Turbo For Vehicles with Production Date After 06/15/20
2017 Audi A4 Sedan 2.0L l4 Turbo
2018 Audi A4 Quattro Sedan 2.0L l4 Turbo
2018 Audi A4 Sedan 2.0L l4 Turbo

Ask a parts specialist

Asking about: Fuel Tank Leak Diagnostic Module 8W0906651C · OEM #8W0906651C