HomeBelts and Cooling > Gaskets and Sealing SystemsGenuine N90912501 Engine Coolant Pipe O-Ring
Part #: N90912501

Genuine N90912501 Engine Coolant Pipe O-Ring

⚙️ 52 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, R8, A6 Quattro, S5, A8 Quattro, Q7, Touareg, and Allroad Quattro
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Reliable Engine Coolant Pipe O-Ring for Audi and Volkswagen

The Genuine N90912501 Engine Coolant Pipe O-Ring is designed to provide a secure seal for the cooling system in select Audi and Volkswagen models. This part ensures proper coolant flow and prevents leaks, maintaining engine performance and reliability.

  • Compatible with Audi A6 Quattro, A8 Quattro, Allroad Quattro, Q7, R8, S5, and Volkswagen Touareg
  • Genuine OEM part number N90912501 for precise fitment
  • Engine coolant pipe O-ring designed to withstand high temperatures and pressure
  • Durable sealing material to prevent coolant leaks and maintain system integrity
  • Essential component for maintaining optimal engine cooling system performance

Product Details and Compatibility

This Genuine Engine Coolant Pipe O-Ring (part number N90912501) is specifically engineered for use in various Audi and Volkswagen vehicles, including the Audi A6 Quattro, A8 Quattro, Allroad Quattro, Q7, R8, S5, and the Volkswagen Touareg. The O-ring seals the connection points in the engine coolant pipe, preventing coolant leaks that can lead to overheating or engine damage. Manufactured to meet OEM specifications, this part ensures a precise fit and reliable sealing performance under demanding operating conditions.

Common Applications and Problem Resolution

  • Prevents coolant leaks at engine coolant pipe connections
  • Helps avoid engine overheating caused by coolant loss
  • Eliminates coolant contamination from external debris
  • Maintains proper coolant pressure within the cooling system
  • Reduces risk of engine damage due to coolant system failure

Installation Notes and Tips

When installing the Genuine N90912501 Engine Coolant Pipe O-Ring, ensure the mating surfaces are clean and free of debris or old sealant. Lubricate the O-ring lightly with coolant or a compatible lubricant to ease installation and prevent damage. Verify the O-ring is seated evenly to avoid leaks. It is recommended to inspect related cooling system components during installation for wear or damage.

Quality Assurance and Warranty

This Genuine part is manufactured to meet strict OEM quality standards, ensuring durability and reliable performance in your Audi or Volkswagen vehicle. While specific warranty terms may vary, Genuine parts typically come with a limited warranty covering defects in material and workmanship. Using the correct OEM part number N90912501 helps maintain your vehicle’s cooling system integrity and performance.

This part fits 52 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015AudiR84.2LV8N/A
2015AudiR8N/A
2014AudiR84.2LV8N/A
2014AudiR8N/A
2012AudiR84.2LV8N/A
2012AudiR8N/A
2011AudiA6 QuattroN/A
2011AudiR84.2LV8N/A
2011AudiR8N/A
2011AudiS5N/A
2010AudiA6 QuattroN/A
2010AudiA8 QuattroN/A
2010AudiQ7N/A
2010AudiQ74.2LV8N/A
2010AudiR84.2LV8N/A
2010AudiS5N/A
2009AudiA6 QuattroN/A
2009AudiA8 QuattroN/A
2009AudiQ7N/A
2009AudiQ74.2LV8N/A
2009AudiR84.2LV8N/A
2009AudiS5N/A
2009VolkswagenTouaregN/A
2008AudiA6 QuattroN/A
2008AudiA8 QuattroN/A
2008AudiQ7N/A
2008AudiQ74.2LV8N/A
2008AudiR8N/A
2008AudiS5N/A
2008VolkswagenTouaregN/A
2008VolkswagenTouareg4.2LV8N/A
2007AudiA6 QuattroN/A
2007AudiA8 QuattroN/A
2007AudiQ7N/A
2007AudiQ74.2LV8N/A
2007VolkswagenTouaregN/A
2007VolkswagenTouareg4.2LV8N/A
2006VolkswagenTouareg4.2LV8N/A
2005AudiAllroad Quattro2.7LV6N/A
2005VolkswagenTouareg4.2LV8N/A
2004AudiA6 Quattro3.0LV6N/A
2004AudiAllroad QuattroN/A
2004AudiAllroad Quattro2.7LV6N/A
2004VolkswagenTouareg4.2LV8N/A
2003AudiA6 Quattro3.0LV6N/A
2003AudiAllroad QuattroN/A
2003AudiAllroad Quattro2.7LV6N/A
2002AudiA6 Quattro3.0LV6N/A
2002AudiAllroad QuattroN/A
2002AudiAllroad Quattro2.7LV6N/A
2001AudiAllroad QuattroN/A
2001AudiAllroad Quattro2.7LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.