2017-2026 Audi / Porsche Underbody Reinforcement Mount Bracket / Plate 4M0801387F
OEM Part #: 4M0-801-387-F (4M0801387F)
Porsche Part #: PAB80138701
Actual photo
The exact part you’ll receive — not a stock photo.
$38.49
Used
Donor2018 Audi Q7 · 3.0L · 45k miles
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3 Available — Select Your Part:
Genuine OEM Used
SKU: 505822
Donor Vehicle: 2018 Audi Q7 · 3.0L · 45k miles
2 photos
$38.49
30-Day Returns
Genuine OEM Used
SKU: 541625
Donor Vehicle: 2021 Porsche CAYENNE · 2.9L · 14k miles
2 photos
$38.49
30-Day Returns
Genuine OEM Used
SKU: 701353
Donor Vehicle: 2021 Audi SQ8 · 4.0L · 47k miles
2 photos
$40.99
30-Day Returns
- Genuine OEM — real photos
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Used Porsche underbody reinforcement mount bracket plate, OEM part number 4M0801387F (also Porsche PAB80138701). This genuine used part replaces earlier versions 4M0801387C and 4M0801387A. It serves as the structural mounting bracket or plate for the underbody reinforcement system. When this bracket is damaged or missing, it can cause instability in the underbody support structure, leading to reduced chassis rigidity.
Specifications
| Fits Vehicle Model | Cayenne, Q7, Q8, RS Q8, SQ7, SQ8 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 4M0-801-387-F (4M0801387F) |
| Porsche Part No | PAB80138701 |
| Compatible OEM Part No | 4M0-801-387-C, 4M0-801-387-A |
| Category | Underbody |
Compatible Vehicles
Fits 125 vehicle configurations across 2 makes, 2017-2026.
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.
View all 125 vehicle configurations — 12 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2026 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2025 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2025 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2026 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2026 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2025 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2025 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2025 | Porsche | Cayenne | S SUV | 4.0L V8 Turbo | |
| 2026 | Porsche | Cayenne | S SUV | 3.0L V6 Turbo | |
| 2026 | Porsche | Cayenne | S Coupe SUV | 4.0L V8 Turbo | |
| 2025 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2026 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2025 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2026 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2026 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2025 | Porsche | Cayenne | S Coupe SUV | 4.0L V8 Turbo | |
| 2025 | Porsche | Cayenne | S Coupe SUV | 3.0L V6 Turbo | |
| 2026 | Porsche | Cayenne | S Coupe SUV | 3.0L V6 Turbo | |
| 2026 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2026 | Porsche | Cayenne | S SUV | 4.0L V8 Turbo | |
| 2025 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2026 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2025 | Porsche | Cayenne | S SUV | 3.0L V6 Turbo | |
| 2026 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2025 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2025 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2024 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 08/07/23 |
| 2024 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2019 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 10/02/17 |
| 2020 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 10/02/17 |
| 2020 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles with Production Date After 10/02/17 |
| 2020 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2017 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles with Production Date After 10/02/17 |
| 2017 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 10/02/17 |
| 2018 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles with Production Date After 10/02/17 |
| 2018 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 10/02/17 |
| 2019 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles with Production Date After 10/02/17 |
| 2019 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2022 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2021 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2022 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2023 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2023 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2019 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2019 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2019 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2018 | Porsche | Cayenne | Turbo S SUV | 4.8L V8 Turbo | |
| 2018 | Porsche | Cayenne | S SUV | 3.0L V6 Supercharged | |
| 2018 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2018 | Porsche | Cayenne | GTS SUV | 3.6L V6 Turbo | |
| 2018 | Porsche | Cayenne | Turbo SUV | 4.8L V8 Turbo | |
| 2018 | Porsche | Cayenne | S SUV | 3.6L V6 Turbo | |
| 2020 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2020 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2020 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2021 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 08/07/23 |
| 2020 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 08/07/23 |
| 2021 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 08/07/23 |
| 2023 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2022 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2021 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2023 | Audi | RS Q8 | SUV | 4.0L V8 Turbo |