Genuine 0009985690 Engine Expansion Plug

Engine Core Plug for Mercedes-Benz Applications

This Genuine engine core plug, part number 0009985690, is a direct-fit hardware component for select Mercedes-Benz engines with a 65mm back-of-cylinder-head vacuum pump location. It is used across multiple Mercedes-Benz CL550, S550, C300, and related models for service work where the original plug must be replaced.

Key Features

• Genuine OE replacement engine core plug
• Part number 0009985690 for accurate ordering and service matching
• 65mm back of cylinder head vacuum pump application
• Fits a wide range of Mercedes-Benz V6 and V8 models
• Engine hardware component for maintenance and repair work

Fitment Details

• Fits 2007-2013 Mercedes-Benz CL550, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2007-2013 Mercedes-Benz S550, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2008-2012 Mercedes-Benz C300, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2007-2012 Mercedes-Benz GL450, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2008-2012 Mercedes-Benz GL550, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2010-2012 Mercedes-Benz GLK350, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2008-2012 Mercedes-Benz ML550, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2006-2012 Mercedes-Benz R350, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2011-2012 Mercedes-Benz SL550, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2007-2009 Mercedes-Benz SL550, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2006-2011 Mercedes-Benz C350, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2007-2011 Mercedes-Benz CLS550, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2006-2011 Mercedes-Benz E350, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2007-2011 Mercedes-Benz E550, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2006-2011 Mercedes-Benz ML350, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2009-2011 Mercedes-Benz SLK300, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2005-2010 Mercedes-Benz SLK350, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2006-2009 Mercedes-Benz CLK350, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2007-2009 Mercedes-Benz CLK550, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2006-2007 Mercedes-Benz C230, N/A, 65mm Back of Cylinder Head Vacuum Pump
• Fits 2006-2007 Mercedes-Benz C280, N/A, 65mm Back of Cylinder Head Vacuum Pump

What This Part Helps Address

• Replacement of a leaking or damaged engine core plug
• Service work around the back of the cylinder head vacuum pump area
• Restoration of proper sealing in the engine block or head area
• Repair of corrosion-related plug failure during engine maintenance

Installation Notes

Verify the 65mm back-of-cylinder-head vacuum pump configuration before ordering. Match the part number 0009985690 to the original component and confirm the vehicle year, model, and engine layout on the vehicle being serviced. Clean the sealing surface thoroughly before installation and inspect the surrounding area for corrosion or coolant residue.

Quality Assurance

Genuine OE-style replacement hardware for Mercedes-Benz service applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.