Elring 845.630 Engine Cylinder Liner O-Ring

Elring 845.630 Engine Cylinder Liner O-Ring

Elring 845.630 is an engine cylinder liner O-ring made from FPM (fluoride rubber) for sealing applications that require precise dimensions and heat-resistant material performance. It is a direct-fit sealing component for select Porsche 911 applications, including model years from 1997 through 2012.

Key Features

• Brand: Elring
• Part number: 845.630
• Engine cylinder liner O-ring for sealing system service
• FPM (fluoride rubber) construction
• Inside diameter: 110.0 mm
• Thickness: 2.5 mm
• Outside diameter: 115.0 mm
• Shape: O-ring
• Fits Porsche 911 applications across multiple model years

Detailed Description

This Elring 845.630 O-ring is specified for engine sealing use where the cylinder liner interface requires accurate sizing and material stability. The FPM rubber construction is selected for sealing environments that demand resistance to engine heat and fluid exposure, while the 110.0 mm inside diameter, 2.5 mm thickness, and 115.0 mm outside diameter provide the dimensional fit needed for the intended Porsche 911 application. If you are sourcing an Elring 845.630 seal for Porsche 911 engine service, this part matches the listed OE-style dimensions and interchange reference.

This part cross-references 999 707 394 40 for the same application.

Vehicle Fitment

• Fits 2012 Porsche 911, N/A
• Fits 2006 Porsche 911, N/A
• Fits 2007-2011 Porsche 911, N/A. Thickness: 2.5mm; Inner Diameter: 110mm; Outer Diameter: 115mm; Shape: O-Ring
• Fits 2001-2005 Porsche 911, N/A. Thickness: 2.5mm; Inner Diameter: 110mm; Outer Diameter: 115mm; Shape: O-Ring
• Fits 1997-1998 Porsche 911, N/A. Thickness: 2.5mm; Inner Diameter: 110mm; Outer Diameter: 115mm; Shape: O-Ring

Installation Notes and Tips

• Verify the cylinder liner sealing groove and mating surfaces before installation.
• Confirm the dimensions match the original seal specification before assembly.
• Inspect the sealing area for wear, debris, or residue that could affect sealing performance.
• Use clean engine assembly practices to avoid damaging the O-ring during installation.

Quality Assurance

Elring is a recognized name in engine gaskets and sealing systems, and this seal is built to the listed material and dimensional specifications for the stated Porsche 911 fitments.