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Number 1 marks the part’s position in this exploded view (Audi Q8 Quattro 3,0 (2018-)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen Reduction Agent Tank, part number 4M0131878CQ. This tank stores the reduction agent (e.g., AdBlue) used in selective catalytic reduction (SCR) systems to reduce NOx emissions. It is located in the exhaust system assembly. Genuine OEM parts ensure precise fitment and factory-level performance for your vehicle's emissions control system.
Catalogue entry: TANK Without sensor; also use: 4M0 907 355 H; use if required: 4M0 131 963 B; See parts bulletin: (1-89); SVM code for coding: XCHGACA015.
Use with: 4M0907355H, 4M0131963B. Fitted with: 4M0131878CP TANK, N91195601 BOLT, 4M0131963B LEAD, 5Q0131980B COVER, 5Q0131980C COVER, 4M0131878CN TANK, 4M0131941C Sensor.
Technical details
- Category
- Exhaust
- Country of origin
- Germany
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 74.5 × 51 × 34.5 cm
- Shipping weight
- 6.91 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 5C0
- 5C1
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
Replaces older part numbers
This is the current manufacturer number. Older numbers on this road are no longer supplied.
- 4M0131878CFSuperseded
Jan 2020 - 4M0131878CMSuperseded
Nov 2021 - 4M0131878CQThis pageCurrent number
