HomeBelts and Cooling > Gaskets and Sealing SystemsMahle C31858 Engine Coolant Thermostat Gasket
Part #: C31858

Mahle C31858 Engine Coolant Thermostat Gasket

⚙️ 47 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ram and Dodge, 2500, 3500, Ram 2500, and Ram 3500
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Reliable Engine Coolant Thermostat Gasket for Dodge Ram 2500 and 3500

The Mahle Engine Coolant Outlet Gasket C31858 is designed to provide a secure seal for the engine coolant thermostat housing on Dodge Ram 2500 and Ram 3500 models. Crafted from molded rubber, this gasket meets OEM standards to ensure proper fit and durability in demanding engine environments.

  • Constructed from molded rubber for effective sealing and flexibility
  • OEM standard item grade for reliable performance and compatibility
  • Package includes one gasket for direct replacement
  • Specifically designed for Dodge Ram 2500 and Ram 3500 applications
  • Part number C31858 for precise identification and fitment

About the Mahle Engine Coolant Outlet Gasket Product Line

The Engine Coolant Outlet Gasket line by Mahle focuses on delivering high-quality sealing solutions for coolant system components. This product line emphasizes material integrity and exact fitment to maintain engine cooling efficiency and prevent leaks. The C31858 gasket is part of this line, engineered to meet the rigorous demands of Dodge Ram 2500 and 3500 engines.

Product Details and Specifications

This engine coolant thermostat gasket is molded from durable rubber, providing a tight seal between the thermostat housing and engine block. Its OEM standard grade ensures it matches original equipment specifications, helping maintain proper coolant flow and temperature regulation. The gasket is sold individually, making it suitable for targeted repairs or maintenance.

Common Applications and Problem Resolution

  • Prevents coolant leaks at the thermostat housing
  • Eliminates engine overheating caused by faulty seals
  • Resolves coolant contamination issues due to gasket failure
  • Maintains proper engine temperature regulation
  • Supports efficient coolant circulation in Dodge Ram 2500 and 3500 engines

Installation Notes and Tips

Ensure the thermostat housing and engine surfaces are clean and free of old gasket material before installation. Proper torque specifications should be followed to avoid gasket damage or leaks. Using the Mahle C31858 gasket guarantees compatibility with Dodge Ram 2500 and Ram 3500 models, simplifying the replacement process.

Quality Assurance and Warranty

Mahle Engine Coolant Outlet Gasket C31858 is manufactured to meet OEM standards, ensuring consistent quality and performance. While specific warranty details are not provided, Mahle products typically adhere to industry quality controls to support reliable engine operation.

BrandMahle
Part NumberC31858
Gasket MaterialMolded Rubber
Item GradeOEM Standard

This part fits 47 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2024Ram25006.7LL6N/AEngine Coolant Outlet Gasket
2024Ram35006.7LL6N/AEngine Coolant Outlet Gasket
2023Ram25006.7LL6N/AEngine Coolant Outlet Gasket
2023Ram35006.7LL6N/AEngine Coolant Outlet Gasket
2022Ram25006.7LL6N/AEngine Coolant Outlet Gasket
2022Ram35006.7LL6N/AEngine Coolant Outlet Gasket
2021Ram25006.7LL6N/AEngine Coolant Outlet Gasket
2021Ram35006.7LL6N/AEngine Coolant Outlet Gasket
2020Ram25006.7LL6N/AEngine Coolant Outlet Gasket
2020Ram35006.7LL6N/AEngine Coolant Outlet Gasket
2019Ram25006.7LL6N/AEngine Coolant Outlet Gasket
2019Ram35006.7LL6N/AEngine Coolant Outlet Gasket
2018Ram25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2018Ram35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2017Ram25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2017Ram35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2016Ram25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2016Ram35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2015Ram25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2015Ram35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2014Ram25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2014Ram35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2013Ram25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2013Ram35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2012Ram25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2012Ram35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2011Ram25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2011Ram35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2010DodgeRam 25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2010DodgeRam 35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009DodgeRam 25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009DodgeRam 35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008DodgeRam 25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008DodgeRam 25005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008DodgeRam 35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007DodgeRam 25006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007DodgeRam 25005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007DodgeRam 35006.7LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007DodgeRam 35005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006DodgeRam 25005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006DodgeRam 35005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005DodgeRam 25005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005DodgeRam 35005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004DodgeRam 25005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004DodgeRam 35005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2003DodgeRam 25005.9LL6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2003DodgeRam 35005.9LL6N/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:

5086 740AA

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