HomeBelts and Cooling > Gaskets and Sealing SystemsFel-Pro 35639 Engine Coolant Thermostat Housing Seal
Part #: 35639

Fel-Pro 35639 Engine Coolant Thermostat Housing Seal

⚙️ 18 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge, Ram 2500 and Ram 3500
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Overview of Fel-Pro Engine Coolant Thermostat Housing Seal 35639

The Fel-Pro 35639 engine coolant thermostat housing seal is designed for reliable sealing performance in Dodge Ram 2500 and Ram 3500 models. This premium-grade gasket ensures a secure fit and helps maintain optimal engine temperature by preventing coolant leaks.

  • Inside diameter options: 1.985 inches (50.4 mm)
  • Thickness: 0.570 inches (14.4 mm)
  • Premium grade material for durability and heat resistance
  • Zero mounting holes for a precise, leak-free seal
  • Compatible with Dodge Ram 2500 and Ram 3500 models

Detailed Product Description

The Fel-Pro 35639 thermostat housing seal is engineered to meet the exact specifications required for Dodge Ram 2500 and Ram 3500 engines. With an inside diameter of 1.985 inches (50.4 mm) and a thickness of 0.570 inches (14.4 mm), this gasket provides a tight seal between the thermostat housing and engine block. The premium-grade material resists heat and pressure, reducing the risk of coolant leaks and engine overheating. The design includes no mounting holes, ensuring a clean and secure installation without compromising the seal integrity.

Compatible Vehicles and Applications

This engine coolant thermostat housing seal is compatible with the following vehicles:

  • Dodge Ram 2500
  • Dodge Ram 3500

It is specifically designed to replace worn or damaged seals in the thermostat housing assembly, helping to maintain proper engine cooling system function.

Common Issues Addressed by This Seal

  • Prevents coolant leaks around the thermostat housing
  • Eliminates engine overheating caused by seal failure
  • Reduces risk of engine damage due to coolant loss
  • Maintains proper coolant flow and engine temperature regulation
  • Prevents contamination of the cooling system

Installation Notes and Tips

  • Ensure the thermostat housing and engine block surfaces are clean and free of old gasket material before installation
  • Verify the correct orientation of the seal to match the housing design
  • Do not reuse old seals; always install a new Fel-Pro 35639 seal for optimal performance
  • Torque thermostat housing bolts to manufacturer specifications to avoid warping or leaks

Quality Assurance and Warranty

Fel-Pro gaskets and seals are manufactured to meet or exceed OEM standards, using premium materials for durability and heat resistance. The 35639 thermostat housing seal undergoes rigorous quality control to ensure consistent fit and performance. While specific warranty details may vary, Fel-Pro products typically come with a limited warranty against defects in material and workmanship.

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002DodgeRam 25005.9LL6N/A
2002DodgeRam 35005.9LL6N/A
2001DodgeRam 25005.9LL6N/A
2001DodgeRam 35005.9LL6N/A
2000DodgeRam 25005.9LL6N/A
2000DodgeRam 35005.9LL6N/A
1999DodgeRam 25005.9LL6N/A
1999DodgeRam 35005.9LL6N/A
1998DodgeRam 25005.9LL6N/A
1998DodgeRam 35005.9LL6N/A
1997DodgeRam 25005.9LL6N/A
1997DodgeRam 35005.9LL6N/A
1996DodgeRam 25005.9LL6N/A
1996DodgeRam 35005.9LL6N/A
1995DodgeRam 25005.9LL6N/A
1995DodgeRam 35005.9LL6N/A
1994DodgeRam 25005.9LL6N/A
1994DodgeRam 35005.9LL6N/A

* 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:

1133114797255C31710WO8540

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