Genuine N90365302 Engine Coolant Pipe O-Ring 20x3mm VAG

The Genuine N90365302 is an OEM engine coolant pipe O-ring used across a wide range of Volkswagen Group (VAG) vehicles, including Audi, Volkswagen, SEAT, and Škoda applications. This precision-engineered sealing ring is designed to maintain a leak-free connection at the cooling system crossover line, preventing coolant loss and protecting the engine from overheating or contamination.

Key Features:

• OEM Genuine part — manufactured to original factory specifications for a perfect fit and reliable seal
• Size: 20 x 3mm — designed for use on cooling system crossover pipes, connector pipes, and water return tubes
• Function: Seals the engine coolant pipe and cooling system crossover line, preventing coolant leaks and keeping contaminants out
• Single-use component — must be replaced with a new O-ring; this part cannot be reused or reinstalled once removed
• Broad VAG compatibility — fits a wide range of Audi, Volkswagen, SEAT, and Škoda models across multiple engine families

Cross-Reference Part Numbers: N90365302, N 90365302, N90 365 302, N90-365-302, WHT006407

This O-ring is a critical sealing component in the engine cooling circuit. Replacing it with a genuine OEM part ensures proper sealing performance and long service life, helping to maintain optimal engine temperature and cooling system integrity.