Elring 642.720 Engine Crankshaft Seal - Front

Engine Crankshaft Seal Overview

This Elring engine crankshaft seal is built for applications that require a 37.0 mm inner diameter, 50.0 mm outer diameter, and 6.0 mm thickness. It uses FPM (fluoride rubber) and includes a dust lip for added sealing protection.

Compatible with a wide range of Hyundai and Kia applications, this seal matches timing-end and front-position fitments where specified. Part number 642.720 is a direct reference for buyers searching for an Elring crankshaft seal for Hyundai Sonata, Kia Optima, and related models.

• FPM (fluoride rubber) construction for sealing performance in engine environments
• Dust lip helps reduce contamination at the shaft interface
• AS radial shaft seal design with RD swirl type
• Dimensions: 37.0 mm inner diameter, 50.0 mm outer diameter, 6.0 mm thickness
• Fits multiple Hyundai and Kia engine applications, including timing-end listings where noted

Fitment Details

Fits 2009-2012 Kia Rondo, N/A; 2011 Kia Sorento, N/A; 2007-2009 Kia Sorento, N/A; 2005-2010 Kia Magentis, N/A; 2002-2010 Kia Optima, N/A; 2007-2010 Kia Rondo, N/A; 2005-2010 Kia Sportage, N/A; 2001-2009 Hyundai Santa Fe, N/A; 2005-2009 Hyundai Tucson, N/A; 2009 Kia Optima, N/A; 2001 Kia Optima, N/A; 2003-2008 Hyundai Tiburon, N/A; 2004-2006 Kia Amanti, N/A; 2003-2006 Kia Sorento, N/A; 1998-2005 Hyundai Sonata, N/A; 2002-2005 Hyundai XG350, N/A; 2002-2005 Kia Sedona, N/A; 2004 Kia Magentis, Front; 2001-2003 Kia Magentis, N/A; 2001 Hyundai XG300, N/A; 2001 Hyundai XG300, Front; 2001 Kia Optima, Front; 1991-1997 Hyundai Sonata, N/A; 1991-1997 Hyundai Sonata, Front.

Common Replacement Uses

• Oil seepage at the crankshaft sealing surface
• Contamination entering the engine through a worn seal
• Leakage around the timing-end seal area
• Loss of sealing integrity from heat and age

Installation Notes

Verify the seal dimensions and swirl direction before installation. Match the application notes carefully, especially where timing-end or front-position fitment is listed. Clean the sealing surface thoroughly and inspect the shaft for wear before installing part number 642.720.

Quality Assurance

Elring is known for sealing components used in engine service applications. This crankshaft seal is specified with FPM material and a dust lip to support reliable sealing in demanding operating conditions.