Mahle C31207 Engine Coolant Thermostat Gasket

Engine Coolant Thermostat Gasket for Honda and Acura

Mahle C31207 is an OEM-standard engine coolant thermostat gasket made from molded rubber for a precise seal at the thermostat housing. It is built for a range of Honda and Acura applications, including Honda Accord, Odyssey, Pilot, Ridgeline, and Acura TL, MDX, and RL models.

MAHLE gaskets are used by OEMs and technicians worldwide for sealing performance that meets original-equipment expectations. If you are replacing a thermostat seal on a Honda Accord thermostat gasket application or an Acura MDX coolant service, C31207 provides the correct sealing material and fitment profile.

Key Features

• Molded rubber gasket material for thermostat sealing
• OEM standard item grade for factory-style service replacement
• Engine coolant thermostat gasket for cooling system repairs
• Fits a wide range of Honda and Acura vehicles from 1991-2017
• Cross-references Acura 19305-PR7-A00 and Beck/Arnley 039-0115 for the same application

Detailed Description

Mahle C31207 is an engine coolant thermostat gasket designed for sealing the thermostat housing in compatible Honda and Acura cooling systems. The molded rubber construction helps maintain a consistent seal under heat and coolant exposure, making it a practical choice for thermostat service on vehicles such as the Honda Odyssey, Honda Pilot, Acura TL, Acura TSX, and Acura RDX. This part number is also referenced as C31207 in service and catalog listings.

Compatible With 1998-2013 Honda Accord, N/A; 1999-2017 Honda Odyssey, N/A; 2003-2015 Honda Pilot, N/A; 2006-2014 Honda Ridgeline, N/A; 2001-2013 Acura MDX, N/A; 1996-2014 Acura TL, N/A; and additional Acura and Honda applications listed below.

What It Helps Address

• Coolant seepage at the thermostat housing
• Loss of sealing after thermostat replacement
• Coolant odor or visible residue around the thermostat area
• Temperature control issues caused by a compromised thermostat seal
• Repeat cooling system service due to an aging gasket

Installation Notes

Clean the mating surfaces thoroughly before installation and inspect the thermostat housing for corrosion, warpage, or debris. Follow the vehicle service procedure for the specific Honda or Acura application, and verify the seal seats evenly before refilling the cooling system. For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.

Body fitment examples include Fits 2013-2017 Acura RDX, N/A; Fits 1999-2017 Honda Odyssey, N/A; Fits 2003-2015 Honda Pilot, N/A; Fits 1996-2014 Acura TL, N/A; Fits 2010-2014 Acura TSX, N/A; Fits 2006-2014 Honda Ridgeline, N/A; Fits 2001-2013 Acura MDX, N/A; Fits 2010-2013 Acura ZDX, N/A; Fits 1998-2013 Honda Accord, N/A; Fits 2012-2013 Honda Crosstour, N/A; Fits 1996-2012 Acura RL, N/A; Fits 2010-2011 Honda Accord Crosstour, N/A; Fits 2000-2009 Honda S2000, N/A; Fits 2004-2007 Saturn Vue, N/A; Fits 1991-2005 Acura NSX, N/A; Fits 2001-2003 Acura CL, N/A; Fits 1997-1999 Acura CL, N/A; Fits 1997-1998 Honda Prelude, N/A; Fits 1991-1995 Acura Legend, N/A.

Quality Assurance

Mahle supplies sealing products trusted in OEM and professional repair environments, and this gasket is built to OEM-standard expectations for fit and sealing performance. Part number C31207 is intended for direct replacement use in the listed applications.