2017-2018 Audi A3 e-tron Coolant Hose / Line 3Q0121108A
OEM Part #: 3Q0-121-108-A (3Q0121108A)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
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:
Other Coolant Hose / Pipe / Line / Radiator Coolant Hose that may fit your vehicle
Coolant / Water Hose
$7.49
Fits 2017–2018 Audi A3 e-tron
OEM: 3Q0121107A
Coolant Hose / Line
$14.99
Fits 2016–2018 Audi A3 e-tron
OEM: 5Q0121053D
Coolant Hose / Line
$12.13
Fits 2017–2018 Audi A3 e-tron
OEM: 3Q0122157P
Coolant Hose / Line
$13.71
Fits 2015–2020 Audi & Volkswagen
OEM: 5Q0820507M
Coolant Hose / Line
$22.11
Fits 2015–2020 Audi & Volkswagen
OEM: 5Q0820507L
Coolant Hose / Line
$12.13
Fits 2016–2018 Audi A3 e-tron
OEM: 5Q0122051DE
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
Specifications
| Fits Vehicle Model | A3 e-tron |
| Fits Vehicle Make | Audi |
| OEM Part No | 3Q0-121-108-A (3Q0121108A) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 2 vehicle configurations across 1 make, 2017-2018.
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 2 vehicle configurations — 2 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | Audi | A3 e-tron | Hatchback | 1.4L l4 Turbo | For Vehicles with Production Date After 07/25/16 |
| 2018 | Audi | A3 e-tron | Hatchback | 1.4L l4 Turbo | For Vehicles with Production Date After 07/25/16 |