HomeBelts and Cooling > Gaskets and Sealing SystemsGenuine 077121437 Engine Coolant Pipe O-Ring
Part #: 077121437

Genuine 077121437 Engine Coolant Pipe O-Ring

⚙️ 45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, A6 Quattro, RS6, A8 Quattro, and A8
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Reliable Engine Coolant Pipe O-Ring for Audi Vehicles

The Genuine 077121437 Engine Coolant Pipe O-Ring is designed specifically for select Audi models, including the A6 Quattro, A8, A8 Quattro, and RS6. This essential sealing component ensures a secure and leak-free connection within the engine cooling system.

  • Genuine part number 077121437 for precise fitment
  • Compatible with Audi A6 Quattro, A8, A8 Quattro, and RS6 models
  • Engine coolant pipe O-ring designed to maintain optimal sealing under high temperature and pressure
  • Durable material engineered to resist coolant corrosion and wear
  • Essential for maintaining engine cooling system integrity

Product Details and Compatibility

This Genuine Engine Coolant Pipe O-Ring (part number 077121437) is manufactured to meet OEM specifications, ensuring proper fit and function in Audi vehicles. It is compatible with the Audi A6 Quattro, A8, A8 Quattro, and RS6 models, providing a reliable seal for the engine coolant pipe connections. The O-ring is constructed from materials that withstand the thermal and chemical stresses typical in engine cooling systems, helping to prevent leaks and maintain system pressure.

Common Applications and Issues Addressed

  • Prevents coolant leaks at engine coolant pipe connections
  • Maintains proper coolant system pressure for efficient engine cooling
  • Reduces risk of engine overheating due to coolant loss
  • Eliminates coolant contamination from external debris
  • Ensures long-term durability in high-temperature environments

Installation Notes and Tips

When installing the Genuine 077121437 Engine Coolant Pipe O-Ring, ensure the mating surfaces are clean and free of debris. Lubricate the O-ring lightly with compatible coolant or lubricant to facilitate proper seating and prevent damage during installation. Verify that the O-ring is correctly positioned to avoid leaks. It is recommended to inspect related cooling system components for wear or damage during replacement.

Quality Assurance and Warranty

This Genuine part is manufactured to meet strict OEM standards for quality and durability. While specific warranty details may vary, Genuine parts typically come with a manufacturer-backed warranty covering defects in material and workmanship. Using the correct part number 077121437 ensures compatibility and reliability for your Audi A6 Quattro, A8, A8 Quattro, or RS6 cooling system maintenance.

This part fits 45 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004AudiA6 Quattro4.2LV8N/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2004AudiA6 Quattro4.2LV8N/A15 x 2mm; Heater return pipe
2004AudiA6 Quattro4.2LV8N/A15 x 2mm; In Oil Cooler
2004AudiRS6N/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2004AudiRS6N/A15 x 2mm; Heater return pipe
2004AudiRS6N/A15 x 2mm; In Oil Cooler
2003AudiA6 Quattro4.2LV8N/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2003AudiA6 Quattro4.2LV8N/A15 x 2mm; Heater return pipe
2003AudiA6 Quattro4.2LV8N/A15 x 2mm; In Oil Cooler
2003AudiA8 QuattroN/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2003AudiA8 QuattroN/A15 x 2mm; Heater return pipe
2003AudiA8 QuattroN/A15 x 2mm; In Oil Cooler
2003AudiRS6N/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2003AudiRS6N/A15 x 2mm; Heater return pipe
2003AudiRS6N/A15 x 2mm; In Oil Cooler
2002AudiA6 Quattro4.2LV8N/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2002AudiA6 Quattro4.2LV8N/A15 x 2mm; Heater return pipe
2002AudiA6 Quattro4.2LV8N/A15 x 2mm; In Oil Cooler
2002AudiA8 QuattroN/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2002AudiA8 QuattroN/A15 x 2mm; Heater return pipe
2002AudiA8 QuattroN/A15 x 2mm; In Oil Cooler
2001AudiA6 Quattro4.2LV8N/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2001AudiA6 Quattro4.2LV8N/A15 x 2mm; Heater return pipe
2001AudiA6 Quattro4.2LV8N/A15 x 2mm; In Oil Cooler
2001AudiA8 QuattroN/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2001AudiA8 QuattroN/A15 x 2mm; Heater return pipe
2001AudiA8 QuattroN/A15 x 2mm; In Oil Cooler
2000AudiA6 Quattro4.2LV8N/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2000AudiA6 Quattro4.2LV8N/A15 x 2mm; Heater return pipe
2000AudiA6 Quattro4.2LV8N/A15 x 2mm; In Oil Cooler
2000AudiA8 QuattroN/A15 x 2mm; Feed Pipe at Oil Cooler Housing
2000AudiA8 QuattroN/A15 x 2mm; Heater return pipe
2000AudiA8 QuattroN/A15 x 2mm; In Oil Cooler
1999AudiA8N/A15 x 2mm; Heater return pipe
1999AudiA8 QuattroN/A15 x 2mm; Feed Pipe at Oil Cooler Housing
1999AudiA8 QuattroN/A15 x 2mm; Heater return pipe
1999AudiA8 QuattroN/A15 x 2mm; In Oil Cooler
1998AudiA8N/A15 x 2mm; Heater return pipe
1998AudiA8 QuattroN/A15 x 2mm; Feed Pipe at Oil Cooler Housing
1998AudiA8 QuattroN/A15 x 2mm; Heater return pipe
1998AudiA8 QuattroN/A15 x 2mm; In Oil Cooler
1997AudiA8N/A15 x 2mm; Heater return pipe
1997AudiA8 QuattroN/A15 x 2mm; Feed Pipe at Oil Cooler Housing
1997AudiA8 QuattroN/A15 x 2mm; Heater return pipe
1997AudiA8 QuattroN/A15 x 2mm; In Oil Cooler

* 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.