Product overview
Genuine OEM Audi Fresh Air Blower Control Unit, part number 5WA907521. This electronic module is responsible for precisely regulating the speed of the fresh air blower motor, allowing for variable airflow control within the cabin's heating and air conditioning system. It typically features a finned aluminum heatsink to dissipate heat generated during operation. Weighing approximately 0.205 kg, this unit ensures consistent and reliable climate control. Choosing a genuine OEM control unit guarantees correct electrical calibration, compatibility with the vehicle's HVAC system, and long-term operational stability, which are crucial for effective cabin comfort.
Catalogue entry: Ctrl unit.
Technical details
- Category
- Sensors & Modules
- Customs (HS) code
- 90251900
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 13 × 5 × 5 cm
- Shipping weight
- 0.21 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 9AK
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
26 vehiclesFresh Air Blower Control Unit — locate 5WA907521 Audi Fresh Air Blower Control Unit | HVAC in the official exploded view and explore the surrounding assembly.
Parts in this assembly42
- 1HousingLeft5Q1820007D
- 1HousingRight5Q2820007D
- 2BlowerRight5Q2819021C
- 2Blower 5WB819015A
- 3Bolt N10549603
- 6Od Filter 5Q0819669
- 7Cover 5Q0819422A
- 8Evaporator 5WB816103A
- 8Evaporator 5WC816103A
- 8Repair Kit V04018002A
- 8Repair Kit V04018002B
- 8ASeal 5Q0820061B
- 8BSeal 5Q0820061A
- 9Expans Val 5Q0816679B
- 10Seals 5WA815155A
- 11Bolt N90967702
- 12Seal 5Q0820061C
- 15Temperature Sensor 5Q0907543A
- 16Int Duct 5WA898304
- 18Servomotor 2Q0907511D
- 20HousingLeft5Q1820353AA
- 20HousingLeft5Q1820353T
- 20HousingRight5Q2820353AA
- 20HousingRight5Q2820353L
- 20HousingRight5Q2820353T
- 21Adjuster 5Q0898141D
- 23Motor 5WA898511
- 24Servomotor 5WA907511C
- 35Heat Exch 5Q0819031B
- 36Cover 5Q0819422B
- 37Water PipeLeft5Q1819857A
- 37Water PipeRight5Q2819857A
- 37ACoupl Piece 5Q0819454
- 38Fixing Set 5WA815155
- 39InsulationLeft5Q1820577
- 39InsulationRight5Q2820577
- 40Heat Element 5Q0963235C
- 43HoseLeft5Q1820127E
- 43HoseRight5Q2820127E
- 44Bracket 5Q0819133
- 45Ut Hex Nut With Rubber Washer Hex Nut With WHT000016
- 51Temperature Sensor 5Q0907543
Vehicle fitment table26
Europe (18)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Kodiaq | 2024- | 4 | 1 | |
| passat estate | 2023- | 4 | 1 | |
| Tiguan 2.0 | 2023- | 4 | 1 | |
| Superb Combi | 2023- | 4 | 1 | |
| Multivan | 2021- | 4 | 1 | L0L |
| fabia | 2021- | 4 | 1 | |
| Formentor TSI CUPRA | 2020- | 4 | 1 | |
| Caddy Maxi Kombi | 2020-2024 | 4 | 1 | |
| Mii electric | 2020-2021 | 3A | ||
| Leon style | 2019- | 4 | 1 | |
| Audi A3 Sportback | 2019-2021 | 11, 2, 4 | 1 | |
| T-Cross 1,0 | 2018-2024 | 4 | 1 | |
| E-Crafter 35 | 2018-2024 | 4 | 1 | |
| Tarraco FR | 2018-2024 | 4 | 1 | |
| Ateca Style | 2016- | 11, 2 | 1 | 9AC |
| Leon ST Stylance | 2016-2020 | 11, 2 | 1 | |
| Leon ST Stylance | 2012-2016 | 11 | 1 | 9AC |
| Mii reference | 2011-2019 | 3A |
Other markets (7)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Atlas | 2023-2024 | 4, 3 | 1 | |
| Taos 1.4 | 2021-2023 | 4 | 1 | |
| Taos 1.4 | 2020-2024 | 4 | 1 | |
| T-Cross | 2019- | 4 | 1 | |
| Audi Q2L BEV | 2019-2023 | 2 | 1 | |
| Jetta 1.4 | 2017-2024 | 4 | 1 | |
| Atlas | 2016-2023 | 3 | 1 |
Platform / generic diagrams (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| 578 platform | 4 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
5WA907521 Audi Fresh Air Blower Control Unit | HVAC is fitted on: Kodiaq 2024-; passat estate 2023-; Tiguan 2.0 2023-; Superb Combi 2023-; Multivan 2021-; fabia 2021-; Formentor TSI CUPRA 2020-; Caddy Maxi Kombi 2020-2024; Mii electric 2020-2021; Leon style 2019-; Audi A3 Sportback 2019-2021; T-Cross 1,0 2018-2024; E-Crafter 35 2018-2024; Tarraco FR 2018-2024; Ateca Style 2016-; Leon ST Stylance 2016-2020; Leon ST Stylance 2012-2016; Mii reference 2011-2019; Atlas 2023-2024; Taos 1.4 2021-2023; Taos 1.4 2020-2024; T-Cross 2019-; Audi Q2L BEV 2019-2023; Jetta 1.4 2017-2024; Atlas 2016-2023; 578 platform.