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Number 3 marks the part’s position in the exploded view.
Product overview
Genuine OEM Volkswagen hexagon head bolt, part number N91178401. This high-strength fastener is used for securing structural components in the rear assembly. It is positioned to mount the trailer hitch assembly to the vehicle chassis. The bolt features a durable corrosion-resistant finish and a standard hex head for reliable torque application. Genuine OEM fasteners ensure the correct material grade and thread tolerance required for critical structural connections.
Catalogue entry: BOLT M10X38-S22 ×4.
Technical details
- Category
- Body Exterior
- Country of origin
- Germany
- Customs (HS) code
- 73181562
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 5 × 2.5 × 2.5 cm
- Shipping weight
- 0.04 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
- Thread
- M10x38 mm
- Thread
- M10x35 mm
- Thread
- M10x45 mm
As printed in the catalogue
- M10X38-S22
- M10X38
- M10X35
- M10X45
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
77 vehiclesHexagon Head Bolt (combi) — locate N91178401 Volkswagen Hexagon Head Bolt | Genuine OEM in the official exploded view and explore the surrounding assembly.
Standard part (a norm part such as a bolt, nut or clip) — used across many models; the vehicle list shows where this exact number is fitted.
Parts in this assembly9
Vehicle fitment table77
Europe (62)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi A5 Limo 2.0 | 2024- | 2 | 8 | ||
| Audi A5 Avant 2.0 | 2024- | 2 | 8 | ||
| Kodiaq | 2024- | 2 | 2 | ||
| Enyaq | 2020- | 2 | 4 | ||
| Formentor TSI CUPRA | 2020- | 6 | 4 | ||
| Audi RS6 Avant | 2019- | 2 | 8 | ||
| Audi RS7 Sportback | 2019- | 2 | 8 | ||
| Leon style | 2019- | 6 | 4 | ||
| Audi RSQ3 Sportback | 2019-2024 | 2 | 8 | ||
| Octavia | 2019-2024 | 1A | 4 | ||
| Audi A3 Sportback | 2019-2021 | 3 | 8 | ||
| audi a6 2.0 | 2018- | 2 | 8 | ||
| Audi A7 Sportback | 2018- | 2 | 8 | ||
| Tarraco FR | 2018-2024 | 15 | 1 | ||
| Kodiaq | 2018-2022 | 3, 24 | 4 | ||
| Audi Q8 e-tron | 2018-2020 | 2 | 8 | ||
| Audi Q3 quattro | 2018-2019 | 2 | 8 | ||
| Audi RS4 Avant | 2017- | 6 | 8 | ||
| Audi RS5 Sportback | 2017- | 6 | 8 | ||
| Karoq | 2017-2022 | 17 | 4 | 1M6 | |
| Audi RS3 Limousine | 2017-2020 | 2 | 8 | ||
| Ateca Style | 2016- | 2, 15 | 4 | ||
| Kodiaq | 2016-2024 | 3, 24 | 4 | ||
| Tiguan 2.0 4Motion | 2016-2024 | 3 | 4 | ||
| Audi TTRS Coupe | 2016-2023 | 2 | 8 | ||
| Audi A3 Sportback | 2016-2020 | 4 | 8 | ||
| Audi A3 Cabrio | 2016-2020 | 4, 41 | 8 | ||
| Audi A5 Sportback | 2016-2020 | 6 | 8 | ||
| golf 2.0 | 2016-2020 | 13, 5 | 4 | ||
| Leon ST Stylance | 2016-2020 | 6 | 4 | 1D2 | |
| Audi Q2 2.0 TDI | 2016-2018 | 2 | 8 | ||
| Audi A5 Cabrio 2.0 | 2016-2018 | 6 | 8 | ||
| Superb Combi | 2015-2024 | 5 | 4 | ||
| Touran 2,0 BlueMotion | 2015-2024 | 3 | 4 | ||
| Sharan BlueMotion | 2015-2022 | 8 | 4 | ||
| Alhambra Stylance | 2015-2022 | 8 | 4 | 1M6 | |
| audi a4 2.0 | 2015-2019 | 6 | 8 | ||
| Audi RS3 Sportback | 2015-2016 | 2 | 8 | ||
| Passat saloon | 2014-2024 | 3 | 4 | ||
| Audi TTS Coupe 2.0 | 2014-2023 | 2 | 8 | ||
| fabia | 2014-2022 | 26 | 4 | 1D2 | |
| Golf Sportsvan 1.6 | 2014-2020 | 5 | 4 | ||
| Audi Q3 2.0 TDI | 2014-2019 | 2 | 4 | 1D4 | |
| Polo 1.4 BlueMotion | 2014-2017 | 5 | 4 | ||
| Audi RSQ3 qu. 2.5 | 2013-2018 | 2 | 4 | ||
| Golf Estate | 2013-2017 | 5 | 4 | ||
| Audi A3 Cab. 1.4 | 2013-2016 | 2, 4, 41 | 4 | ||
| Rapid | 2012-2022 | 22 | 4 | PR:K8R | 1D2 |
| Golf 1.4 BlueMotion | 2012-2017 | 13 | 4 | ||
| Audi A3 Sportback | 2012-2016 | 2, 4 | 4 | 1D2 | |
| Leon ST Stylance | 2012-2016 | 6 | 4 | 1D2 | |
| Audi RS4 Av. qu. 4.2 | 2012-2015 | 7 | 6 | ||
| Audi RS5 Cabrio | 2012-2015 | 7 | 6 | ||
| Toledo Reference | 2012-2015 | 6 | 4 | ||
| Audi A5 Sportback | 2011-2017 | 7 | 6 | ||
| Audi A5 Cabrio 2.0 | 2011-2017 | 7 | 6 | ||
| audi a4 av. 2.0 tdi | 2011-2015 | 7 | 6 | ||
| Audi RS5 Coupe | 2010-2015 | 7 | 6 | ||
| Sharan Blue Motion | 2010-2015 | 8 | 4 | ||
| Eos BlueMotion | 2010-2015 | 7 | 4 | 1D2 | |
| Alhambra Stylance | 2010-2013 | 8 | 4 | 1M6 | |
| Audi A4 Av. Allroad | 2008-2016 | 7 | 6 |
Other markets (14)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi A7 | 2021- | 2 | 8 | ||
| Audi A3 | 2020- | 3 | 8 | ||
| Audi e-tron | 2020-2023 | 2 | 8 | ||
| Audi Q3 2.0 | 2019- | 2 | 8 | ||
| Audi Q2L BEV | 2019-2023 | 2 | 8 | ||
| Audi A6 L 2.0 | 2018- | 2 | 8 | ||
| Audi Q2 1.4 | 2018- | 2 | 8 | ||
| Polo Vivo | 2017- | 5 | 4 | ||
| Audi A3 Limousine 2.0 | 2017-2021 | 4 | 8 | ||
| Audi A4L 2.0 | 2016- | 6 | 8 | ||
| Tiguan 2.0 4Motion | 2016-2022 | 13 | 2 | 1D0 | |
| Audi A3 Limousine 2.0 | 2015-2016 | 4 | 8 | ||
| Audi A3 Sportback 1.4 | 2014- | 4 | 8 | ||
| Audi A4L 2.0 | 2008-2012 | 8 | 6 |
Platform / generic diagrams (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| 578 platform | 6 | 8 |
Diagrams & fitment data powered by oemdiagrams.com
N91178401 Volkswagen Hexagon Head Bolt | Genuine OEM is fitted on: Audi A5 Limo 2.0 2024-; Audi A5 Avant 2.0 2024-; Kodiaq 2024-; Enyaq 2020-; Formentor TSI CUPRA 2020-; Audi RS6 Avant 2019-; Audi RS7 Sportback 2019-; Leon style 2019-; Audi RSQ3 Sportback 2019-2024; Octavia 2019-2024; Audi A3 Sportback 2019-2021; audi a6 2.0 2018-; Audi A7 Sportback 2018-; Tarraco FR 2018-2024; Kodiaq 2018-2022; Audi Q8 e-tron 2018-2020; Audi Q3 quattro 2018-2019; Audi RS4 Avant 2017-; Audi RS5 Sportback 2017-; Karoq 2017-2022; Audi RS3 Limousine 2017-2020; Ateca Style 2016-; Kodiaq 2016-2024; Tiguan 2.0 4Motion 2016-2024; Audi TTRS Coupe 2016-2023; Audi A3 Sportback 2016-2020; Audi A3 Cabrio 2016-2020; Audi A5 Sportback 2016-2020; golf 2.0 2016-2020; Leon ST Stylance 2016-2020; Audi Q2 2.0 TDI 2016-2018; Audi A5 Cabrio 2.0 2016-2018; Superb Combi 2015-2024; Touran 2,0 BlueMotion 2015-2024; Sharan BlueMotion 2015-2022; Alhambra Stylance 2015-2022; audi a4 2.0 2015-2019; Audi RS3 Sportback 2015-2016; Passat saloon 2014-2024; Audi TTS Coupe 2.0 2014-2023; fabia 2014-2022; Golf Sportsvan 1.6 2014-2020; Audi Q3 2.0 TDI 2014-2019; Polo 1.4 BlueMotion 2014-2017; Audi RSQ3 qu. 2.5 2013-2018; Golf Estate 2013-2017; Audi A3 Cab. 1.4 2013-2016; Rapid 2012-2022; Golf 1.4 BlueMotion 2012-2017; Audi A3 Sportback 2012-2016; Leon ST Stylance 2012-2016; Audi RS4 Av. qu. 4.2 2012-2015; Audi RS5 Cabrio 2012-2015; Toledo Reference 2012-2015; Audi A5 Sportback 2011-2017; Audi A5 Cabrio 2.0 2011-2017; audi a4 av. 2.0 tdi 2011-2015; Audi RS5 Coupe 2010-2015; Sharan Blue Motion 2010-2015; Eos BlueMotion 2010-2015; Alhambra Stylance 2010-2013; Audi A4 Av. Allroad 2008-2016; Audi A7 2021-; Audi A3 2020-; Audi e-tron 2020-2023; Audi Q3 2.0 2019-; Audi Q2L BEV 2019-2023; Audi A6 L 2.0 2018-; Audi Q2 1.4 2018-; Polo Vivo 2017-; Audi A3 Limousine 2.0 2017-2021; Audi A4L 2.0 2016-; Tiguan 2.0 4Motion 2016-2022; Audi A3 Limousine 2.0 2015-2016; Audi A3 Sportback 1.4 2014-; Audi A4L 2.0 2008-2012; 578 platform.
