Elring 519.290 Turbocharger Inlet O-Ring

Turbocharger Inlet O-Ring for Mercedes-Benz Diesel Applications

Elring 519.290 is a turbocharger inlet O-ring for the exhaust turbocharger sealing point on select Mercedes-Benz diesel models. It is specified for vehicles using OE number A6420940180 and is built for precise sealing at the turbocharger inlet connection.

For Mercedes-Benz GLS350d, GL350, GLE350d, ML350, E350, R350, S350, GL320, ML320, and R320 applications, this Elring 519.290 seal supports a proper OE-style repair when the original turbocharger inlet seal is worn or damaged.

Key Features

• Turbocharger inlet O-ring for the exhaust turbocharger sealing location
• Elring part number 519.290
• Direct reference to OE number A6420940180
• Fits select Mercedes-Benz diesel turbocharger applications
• Built for sealing at the turbocharger inlet connection

Detailed Description

Elring 519.290 is a sealing component used at the exhaust turbocharger inlet on compatible Mercedes-Benz diesel engines. As an O-ring, its role is to maintain a tight seal at the connection point, helping preserve turbocharger system integrity and reduce leakage at the inlet interface. This part cross-references OE number A6420940180 for the same application. Search terms such as Mercedes-Benz GL350 turbocharger inlet O-ring, ML350 exhaust turbocharger seal, and E350 turbo inlet seal all point to this type of repair part.

Vehicle coverage includes 2017 Mercedes-Benz GLS350d, 2010-2016 Mercedes-Benz GL350, 2016 Mercedes-Benz GLE350d, 2010-2015 Mercedes-Benz ML350, 2011-2013 Mercedes-Benz E350, 2010-2013 Mercedes-Benz R350, 2012-2013 Mercedes-Benz S350, 2009 Mercedes-Benz GL320, 2009 Mercedes-Benz ML320, and 2009 Mercedes-Benz R320.

Common Issues This Part Can Address

• Turbocharger inlet air leakage at the sealing joint
• Damaged or flattened original O-ring material
• Sealing concerns after turbocharger service
• Loss of proper connection integrity at the exhaust turbocharger inlet

Installation Notes and Tips

Confirm OE number A6420940180 before ordering. Inspect the turbocharger inlet surface for wear, contamination, or damage before installation, and replace the seal only after the mating surfaces are clean and properly prepared. Verify the application by year, model, and turbocharger configuration on the vehicle.

Quality Assurance

Elring is known for OE-level sealing and gasket components used in engine and turbocharger service. Part number 519.290 is specified for the listed Mercedes-Benz diesel applications and OE reference A6420940180.