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Number 18 marks the part’s position in this exploded view (Audi A5 Avant 2.0 (2024-)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen fillister head bolt, part number N91199401. This fastener is primarily used within the engine cooling system to mount coolant flanges and thermostat housings. The fillister head design provides a deep slot for secure driving in areas where space is limited. Choosing a genuine OEM bolt ensures the correct length and thread pitch to prevent damage to engine castings while maintaining the constant pressure needed for a leak-free cooling system.
Catalogue entry: SCREW M6X32 ×4.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 73182200
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 3.7 × 1.3 × 1.3 cm
- Shipping weight
- 0.01 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
- Thread
- M6x32 mm
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
