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Number 1 marks the part’s position in this exploded view (Audi A3 Sportback (2016-2020)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen Differential Housing, part number 0A4409021AD. This component serves as the casing for the differential assembly, containing the gears that allow the wheels to rotate at different speeds. It is a critical part of the drivetrain. Genuine OEM differential housings are manufactured to exact specifications to ensure proper gear meshing, lubrication, and structural integrity for smooth power transfer.
Catalogue entry: GEARBOX Z=61 QWX.
Fitted with: 0A4409021N GEARBOX, 0A4409021AN GEARBOX, 02A498210 SHIMS, N10609203 COLLAR NUT, AMV18820003 SEAL COMP, WHT005480 BOLT.
Technical details
- Category
- Suspension
- Country of origin
- Slovakia
- Customs (HS) code
- 87085099
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 19 × 19 × 14 cm
- Shipping weight
- 6.53 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
- Gearbox codes
- QWX, QXW, RSK, RSL
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
