Genuine Porsche WHT-005-440 O-Ring Seal 20x2.5mm

The Genuine Porsche WHT-005-440 is a precision-engineered O-ring seal measuring 20mm inner diameter by 2.5mm cross-section. This factory OEM seal is designed to provide reliable, leak-free sealing in critical cooling system applications across Porsche, Audi, and Volkswagen Group vehicles.

Key Applications:

• HVAC heater hose sealing
• Engine coolant pipe connections
• Radiator hose mounting surfaces
• Coolant expansion tank hose connections
• Vent tube and breather assemblies

Features:

• Genuine Volkswagen Group OEM part
• Precision 20mm x 2.5mm dimensions for exact fit
• High-quality rubber compound engineered for coolant and temperature resistance
• Single-use design ensures optimal sealing performance
• Direct replacement for original equipment

This O-ring is a critical sealing component that prevents coolant leaks at hose connections and adapters. As a single-use part, it should be replaced whenever coolant system components are disconnected to maintain system integrity and prevent leaks. Genuine Porsche quality ensures proper fit, material compatibility, and long-lasting performance in demanding automotive cooling system environments.