Reinz 40-73379-00 Turbocharger Oil Return Line O-Ring 15x1.78mm

The Reinz 40-73379-00 is a precision-engineered turbocharger oil return line O-ring designed to maintain a leak-free seal between the turbocharger and oil return line. This high-quality seal measures 15mm x 1.78mm and is manufactured by Victor Reinz, a leading OEM supplier with over a century of sealing technology innovation.

Key Features:

• High-temperature resistant elastomer construction withstands extreme heat and pressure
• Precision dimensions (15 x 1.78 mm) ensure proper fit and sealing performance
• Prevents oil leaks that can lead to turbocharger damage and reduced performance
• OEM quality design meets or exceeds original equipment specifications
• Essential component for turbocharger maintenance and servicing

This O-ring is specifically engineered for BMW turbocharged engines including the N55, S55, and B58 platforms. Victor Reinz utilizes application engineering to select optimal materials for each sealing application, ensuring reliable performance in demanding turbocharger environments. Cross-references to BMW OEM part number 11427590577.