HomeBelts and Cooling > Gaskets and Sealing SystemsMahle C31646 Engine Coolant Thermostat Gasket
Part #: C31646

Mahle C31646 Engine Coolant Thermostat Gasket

⚙️ 118 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chrysler, Dodge, Plymouth, Mitsubishi, and Eagle, PT Cruiser, Caravan, Sebring, Stratus, Neon, SX 2.0, Voyager, Cirrus, Breeze, Avenger, Eclipse, Talon, Grand Caravan, Grand Voyager, and Colt
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Reliable Engine Coolant Thermostat Gasket for Chrysler and Dodge Vehicles

The Mahle C31646 engine coolant thermostat gasket is designed to provide a secure seal for your vehicle's thermostat housing. Engineered with molded rubber, this gasket meets OEM standards to ensure durability and proper fitment for Chrysler, Dodge, Mitsubishi, and Plymouth models.

  • Constructed from molded rubber for effective sealing
  • Meets OEM standard item grade for quality assurance
  • Package includes one gasket for single installation
  • Compatible with Chrysler, Dodge, Mitsubishi, and Plymouth vehicles
  • Fits models such as Avenger, Breeze, Caravan, Cirrus, Eclipse, Grand Caravan, Grand Voyager, Neon, PT Cruiser, Sebring, Stratus, and Voyager

Durable Molded Rubber Material for Long-Lasting Performance

This engine coolant thermostat gasket is made from molded rubber, providing a flexible yet durable seal that withstands temperature fluctuations and coolant exposure. The gasket’s material composition helps prevent leaks and maintains the integrity of the thermostat housing, which is critical for proper engine temperature regulation.

Compatible Vehicles and Part Number Details

The Mahle C31646 gasket is specifically designed for use with a range of Chrysler, Dodge, Mitsubishi, and Plymouth vehicles. It fits models including the Avenger, Breeze, Caravan, Cirrus, Eclipse, Grand Caravan, Grand Voyager, Neon, PT Cruiser, Sebring, Stratus, and Voyager. Using the correct gasket like the C31646 ensures proper fit and function, reducing the risk of coolant leaks and engine overheating.

Common Applications and Issues Addressed

  • Seals thermostat housing to prevent coolant leaks
  • Maintains engine temperature regulation by ensuring proper thermostat function
  • Prevents engine overheating caused by faulty or damaged gaskets
  • Replaces worn or cracked gaskets that compromise coolant system integrity
  • Helps avoid coolant contamination and loss

Installation Notes and Tips

When installing the Mahle C31646 thermostat gasket, ensure the thermostat housing and surrounding surfaces are clean and free of old gasket material or debris. Proper alignment of the gasket is essential to avoid leaks. Use manufacturer-recommended torque specifications when securing the thermostat housing bolts. Inspect the thermostat and housing for damage before installation to ensure optimal performance.

Quality Assurance and Warranty Information

Mahle manufactures this engine coolant thermostat gasket to meet OEM standards, ensuring reliable performance and fitment. The molded rubber material is selected for durability and resistance to coolant exposure. While specific warranty details may vary, Mahle products typically come with a limited warranty against defects in materials and workmanship, providing confidence in the product’s quality.

BrandMahle
Part NumberC31646
Gasket MaterialMolded Rubber
Item GradeOEM Standard

This part fits 118 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006ChryslerSebring2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005ChryslerSebring2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005DodgeNeon2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004ChryslerSebring2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004DodgeNeon2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2003ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2003ChryslerSebring2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2003ChryslerVoyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2003DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2003DodgeNeon2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2003DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2003DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2002ChryslerNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2002ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2002ChryslerSebring2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2002ChryslerVoyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2002DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2002DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2002DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2001ChryslerNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2001ChryslerPT Cruiser2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2001ChryslerSebring2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2001ChryslerVoyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2001DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2001DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2001DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2001PlymouthNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000ChryslerCirrus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000ChryslerCirrus2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000ChryslerNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000ChryslerVoyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000DodgeStratus2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000PlymouthBreeze2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000PlymouthBreeze2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000PlymouthNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2000PlymouthVoyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999ChryslerCirrus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999ChryslerSebring2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999DodgeAvenger2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999DodgeStratus2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999MitsubishiEclipse2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999PlymouthBreeze2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999PlymouthBreeze2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999PlymouthNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1999PlymouthVoyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998ChryslerCirrus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998ChryslerSebring2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998ChryslerSebring2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998DodgeAvenger2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998DodgeStratus2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998MitsubishiEclipse2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998PlymouthBreeze2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998PlymouthBreeze2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998PlymouthNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1998PlymouthVoyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997ChryslerCirrus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997ChryslerSebring2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997ChryslerSebring2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997DodgeAvenger2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997DodgeGrand Caravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997DodgeStratus2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997MitsubishiEclipse2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997PlymouthBreeze2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997PlymouthBreeze2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997PlymouthGrand Voyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997PlymouthNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1997PlymouthVoyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996ChryslerCirrus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996ChryslerSebring2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996ChryslerSebring2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996DodgeAvenger2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996DodgeCaravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996DodgeGrand Caravan2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996DodgeStratus2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996MitsubishiEclipse2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996PlymouthBreeze2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996PlymouthBreeze2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996PlymouthGrand Voyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996PlymouthNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1996PlymouthVoyager2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995ChryslerCirrus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995ChryslerSebring2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995DodgeAvenger2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995DodgeNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995DodgeStratus2.4LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995DodgeStratus2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995MitsubishiEclipse2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995PlymouthNeon2.0LL4N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5278 144AA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.