Genuine OEM Audi Charge Air Cooler Hose O-Ring, part number 3C0145117H. This green rubber O-ring is designed to create a tight, leak-proof seal at connections within the charge air cooler hose system, preventing boost pressure loss. It is crucial for maintaining efficient turbocharger operation and engine performance. Made from high-quality, temperature-resistant rubber, it measures approximately 70mm in diameter. Using a genuine OEM O-ring ensures the correct material properties and precise dimensions to withstand the high pressures and temperatures of the charge air system, preventing costly performance degradation.

Catalogue entry: seal ring 61,90MM.

Fitted with: 1K0145803CC COOLER, 1K0145803CG COOLER, 1K0121367P BRACKET, N90808201 BOLT.