HomeBelts and Cooling > Gaskets and Sealing SystemsFel-Pro 35963 Engine Coolant Thermostat O-Ring
Part #: 35963

Fel-Pro 35963 Engine Coolant Thermostat O-Ring

⚙️ 30 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: Mini, Cooper Countryman, Cooper Paceman, and Cooper
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Reliable Engine Coolant Thermostat O-Ring for Mini Cooper Models

The Fel-Pro 35963 Engine Coolant Thermostat O-Ring is designed to provide a secure seal in the cooling system of Mini Cooper vehicles. Engineered as a premium-grade component, this O-ring ensures proper thermostat function and helps maintain optimal engine temperature.

Key Features of Fel-Pro 35963 Engine Coolant Thermostat O-Ring

  • Premium grade material for enhanced durability and sealing performance
  • Specifically designed for Mini Cooper, Cooper Countryman, and Cooper Paceman models
  • Precise fitment to maintain coolant system integrity
  • Resistant to heat and coolant fluids to prevent leaks
  • Part number 35963 ensures correct replacement part for your vehicle

Detailed Description of the Engine Coolant Thermostat O-Ring

This Fel-Pro Engine Coolant Thermostat O-Ring (part number 35963) is a critical sealing component within the cooling system of Mini Cooper vehicles, including the Cooper, Cooper Countryman, and Cooper Paceman. Manufactured with premium-grade materials, it withstands high temperatures and exposure to engine coolant, preventing leaks and ensuring the thermostat operates efficiently. Proper sealing helps maintain engine temperature stability, which is essential for engine performance and longevity.

Common Applications and Issues Addressed

  • Prevents coolant leaks around the thermostat housing
  • Maintains proper engine temperature regulation
  • Reduces risk of engine overheating due to coolant loss
  • Eliminates coolant contamination from external debris
  • Ensures reliable thermostat operation in Mini Cooper cooling systems

Installation Notes and Tips

  • Ensure the thermostat housing surface is clean and free of old gasket material before installation
  • Lubricate the O-ring lightly with clean engine coolant or appropriate lubricant to ease installation
  • Verify correct orientation and seating of the O-ring to avoid pinching or misalignment
  • Follow vehicle manufacturer torque specifications when securing the thermostat housing

Quality Assurance and Warranty Information

Fel-Pro parts are manufactured to meet or exceed OEM standards, providing reliable sealing solutions for automotive cooling systems. The 35963 Engine Coolant Thermostat O-Ring is backed by Fel-Pro's quality assurance processes to ensure consistent performance. Warranty coverage details can be obtained from Fel-Pro documentation or authorized distributors.

This part fits 30 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016MiniCooper Countryman1.6LL4N/A
2016MiniCooper Countryman1.6LL4N/A1st Design
2016MiniCooper Paceman1.6LL4N/A
2016MiniCooper Paceman1.6LL4N/A1st Design
2015MiniCooper1.6LL4N/A
2015MiniCooper1.6LL4N/A1st Design
2015MiniCooper Countryman1.6LL4N/A
2015MiniCooper Countryman1.6LL4N/A1st Design
2015MiniCooper Paceman1.6LL4N/A
2015MiniCooper Paceman1.6LL4N/A1st Design
2014MiniCooper1.6LL4N/A
2014MiniCooper1.6LL4N/A1st Design
2014MiniCooper Countryman1.6LL4N/A
2014MiniCooper Countryman1.6LL4N/A1st Design
2014MiniCooper Paceman1.6LL4N/A
2014MiniCooper Paceman1.6LL4N/A1st Design
2013MiniCooper1.6LL4N/A
2013MiniCooper1.6LL4N/A1st Design
2013MiniCooper Countryman1.6LL4N/A
2013MiniCooper Countryman1.6LL4N/A1st Design
2013MiniCooper Paceman1.6LL4N/A
2013MiniCooper Paceman1.6LL4N/A1st Design
2012MiniCooper1.6LL4N/A
2012MiniCooper Countryman1.6LL4N/A
2011MiniCooper1.6LL4N/A
2011MiniCooper Countryman1.6LL4N/A
2010MiniCooper1.6LL4N/A
2009MiniCooper1.6LL4N/A
2008MiniCooper1.6LL4N/A
2007MiniCooper1.6LL4N/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:

11537548657C32650C32651

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