2019-2026 Audi / Porsche Heater Coolant Hose / Line 4M0819332P
OEM Part #: 4M0-819-332-P (4M0819332P)
Porsche Part #: PAB819332
Actual photo
The exact part you’ll receive — not a stock photo.
$59.99
Used
Donor2019 Porsche CAYENNE · 4.0L · 75k miles
✓ Free Same Day Shipping on orders by noon CT
Only 2 in stock — no guaranteed restock
Genuine OEM Used
SKU: 697697
Donor Vehicle: 2019 Porsche CAYENNE · 4.0L · 75k miles
2 photos
$59.99
30-Day Returns
Genuine OEM Used
SKU: 701486
Donor Vehicle: 2021 Audi SQ8 · 4.0L · 47k miles
2 photos
$59.99
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
This used OEM heater coolant hose (part 4M0819332P / Porsche PAB819332) is a genuine replacement for the coolant circuit that feeds the cabin heater core. Also known as a heater coolant line, it routes engine coolant through the core to provide cabin heat. On vehicles with turbocharged V6 and V8 engines, a failing hose often causes coolant leaks inside the engine bay or inconsistent heater output. A worn hose can lead to gradual coolant loss and reduced cabin heat.
Specifications
| Fits Vehicle Model | Cayenne, RS Q8, SQ7, SQ8 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 4M0-819-332-P (4M0819332P) |
| Porsche Part No | PAB819332 |
| Category | HVAC / Climate Control |
Compatible Vehicles
Fits 80 vehicle configurations across 2 makes, 2019-2026.
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 80 vehicle configurations — 9 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2025 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2026 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2026 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | SQ8 | SUV | 4.0L V8 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 | |
| 2023 | Audi | SQ7 | SUV | 4.0L V8 Turbo | Pipe to Pipe, Primary HVAC, Toward ATF Cooler |
| 2020 | Audi | SQ7 | SUV | 4.0L V8 Turbo | Pipe to Pipe, Primary HVAC, Toward ATF Cooler |
| 2020 | Audi | SQ8 | SUV | 4.0L V8 Turbo | Pipe to Pipe, Primary HVAC, Toward ATF Cooler |
| 2022 | Audi | SQ8 | SUV | 4.0L V8 Turbo | Pipe to Pipe, Primary HVAC, Toward ATF Cooler |
| 2022 | Audi | SQ7 | SUV | 4.0L V8 Turbo | Pipe to Pipe, Primary HVAC, Toward ATF Cooler |
| 2024 | Audi | SQ7 | SUV | 4.0L V8 Turbo | Pipe to Pipe, Primary HVAC, Toward ATF Cooler |
| 2025 | Audi | SQ7 | SUV | 4.0L V8 Turbo | Pipe to Pipe, Primary HVAC, Toward ATF Cooler |
| 2021 | Audi | SQ7 | SUV | 4.0L V8 Turbo | Pipe to Pipe, Primary HVAC, Toward ATF Cooler |
| 2021 | Audi | SQ8 | SUV | 4.0L V8 Turbo | Pipe to Pipe, Primary HVAC, Toward ATF Cooler |
| 2023 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2022 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo GT Coupe 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 | |
| 2024 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2019 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo 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 | S SUV | 2.9L V6 Turbo | |
| 2023 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo 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 | |
| 2024 | Porsche | Cayenne | S SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2021 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | RS Q8 | SUV | 4.0L V8 Turbo |