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Number 5 marks the part’s position in this exploded view (Audi A6 Av. qu. 3.0 (2012-2018)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen Collar Nut, part number 030903181. This collar nut is a critical fastener used within the alternator assembly, specifically for securing the pulley or other related components. Manufactured from high-strength steel, it ensures a secure and durable connection. The correct torque and fit of this nut are essential for the proper functioning and longevity of the vehicle's charging system. Genuine OEM parts guarantee the precise dimensions and material strength required for safe and reliable operation.
Catalogue entry: COLLAR NUT M16X1,5; for alternator: 8,9,13,14.
Technical details
- Category
- Electrical & Wiring
- Country of origin
- Poland
- Customs (HS) code
- 73181699
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 2.7 × 2.7 × 0.9 cm
- Shipping weight
- 0.03 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
- Thread
- M16x1.5 mm
Equipment codes
- 9G3
- 9G4
- TM8
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
