Elring 771.590 Turbocharger Oil Return Line O-Ring

Turbocharger Oil Return Line O-Ring for Ford Super Duty

Elring 771.590 is a turbocharger oil return line O-ring made from FPM (fluoride rubber) for sealing service on select Ford Super Duty diesel applications. Its yellow, round profile and precise dimensions help support a secure seal where the turbo oil return line connects.

Key Features

• Brand: Elring
• Part number: 771.590
• Turbocharger oil return line O-ring
• Material: FPM (fluoride rubber)
• Inside diameter: 19.6 mm
• Thickness: 3.5 mm
• Outside diameter: 26.6 mm
• Colour: Yellow
• Shape: O-ring

Product Details

This Elring sealing ring is built for the turbocharger oil return line and is specified with an inside diameter of 19.6 mm, a thickness of 3.5 mm, and an outside diameter of 26.6 mm. FPM rubber is commonly selected for sealing applications that require resistance to heat and oil exposure, making this a practical replacement seal for maintenance on Ford F-250 Super Duty and Ford F-350 Super Duty trucks. If you are searching for Elring 771.590 or a turbocharger oil return line O-ring for 2008-2010 Ford Super Duty diesel service, this part matches the listed application data.

This part cross-references W302512 for the same application.

Common Problems This Seal Can Address

• Oil seepage at the turbocharger return line connection
• Loss of sealing at the turbo oil drain interface
• Leak-related residue around the turbocharger area
• Service replacement for a worn or flattened O-ring
• Fitment-specific sealing repair on Ford F-250 Super Duty and Ford F-350 Super Duty models

Installation Notes and Tips

Inspect the mating surfaces and the return line connection before installation. Remove any old seal material, clean the groove or sealing surface, and verify the O-ring seats evenly without twisting. Confirm the part number 771.590 and the dimensions against the removed seal before reassembly on 2008-2010 Ford F-250 Super Duty or 2008-2010 Ford F-350 Super Duty applications.

Quality Assurance

Elring is known for sealing-system components used in automotive repair, and this O-ring is manufactured to the listed material and dimensional specifications for the stated application.