Genuine OEM Audi Turbocharger O-Ring, part number 04L145117B. This O-ring is a vital sealing component within the turbocharger system, designed to prevent air or oil leaks between connected parts. It ensures that boost pressure is maintained and fluids are contained, which is critical for efficient engine operation. Made from high-quality, heat-resistant elastomer, this genuine O-ring provides a precise and durable seal, essential for the reliability and performance of the turbocharger.

Catalogue entry: SEAL. RING 49X3.