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Genuine OEM & performance parts — ships to United States

Target · Diagram

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Number 19 marks the part’s position in the exploded view.

Product overview

Genuine OEM Volkswagen O-ring seal, part number N91087401. This seal is designed to prevent fluid leaks at connection points within the engine oil or cooling system. It is positioned to ensure a tight, pressure-resistant fit between mating components. Genuine OEM seals are manufactured from specific elastomer compounds that resist degradation from heat, oil, and coolant, ensuring a long-lasting, leak-free connection that generic alternatives cannot guarantee.

Catalogue entry: SEAL. RING 21X2,5.

Technical details

Category
Gaskets & Seals
Country of origin
Germany
Customs (HS) code
40169300
Manufacturer
Volkswagen
Product Type
Genuine new auto parts
Shipping size (L × W × H)
2.7 × 2.7 × 0.3 cm
Shipping weight
0 kg

Specifications

As recorded in the manufacturer’s parts catalogue for this part number.

Dimensions
21x2.5

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

15 vehicles

O-ring — locate N91087401 Volkswagen O-Ring Seal | 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 assembly16
Vehicle fitment table15

Europe (15)

VehicleYearsPos.QtyPR
Amarok twin cab2022-191
Audi Q8 Quattro 3,02018-3, 171
audi a6 2.02018-3, 171
Audi A7 Sportback2018-3, 171
touareg2017-2023191
Audi A8L2017-20223, 171
Amarok twin cab2016-2022191
Audi Q52016-20203, 171
Audi A5 Sportback2016-20203, 19, 171
Audi A5 Cabrio 2.02016-201820, 171
audi a4 2.02015-20193, 20, 171
Audi Q7 qu. 3.0 TDI2015-20193, 19, 171
Audi A7 Sportback2014-2018191TS8
audi a6 qu. 3.0 tdi2014-2018201TS8
Audi A6 Av. qu. 3.02012-2018191TS8

Diagrams & fitment data powered by oemdiagrams.com

N91087401 Volkswagen O-Ring Seal | Genuine OEM is fitted on: Amarok twin cab 2022-; Audi Q8 Quattro 3,0 2018-; audi a6 2.0 2018-; Audi A7 Sportback 2018-; touareg 2017-2023; Audi A8L 2017-2022; Amarok twin cab 2016-2022; Audi Q5 2016-2020; Audi A5 Sportback 2016-2020; Audi A5 Cabrio 2.0 2016-2018; audi a4 2.0 2015-2019; Audi Q7 qu. 3.0 TDI 2015-2019; Audi A7 Sportback 2014-2018; audi a6 qu. 3.0 tdi 2014-2018; Audi A6 Av. qu. 3.0 2012-2018.