HomeFel-Pro 35706 Engine Coolant Thermostat Seal
Part #: 35706

Fel-Pro 35706 Engine Coolant Thermostat Seal

9 vehicles fit this part
Select your vehicle to confirm fitment
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Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Mercury, Mustang, Thunderbird, and Cougar
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Overview of Fel-Pro Engine Coolant Thermostat Seal 35706

The Fel-Pro 35706 engine coolant thermostat seal is designed to provide a reliable seal for the thermostat housing in select Ford and Mercury vehicles. Engineered with precision, this premium-grade seal ensures proper coolant flow and temperature regulation for models like the Mustang, Cougar, and Thunderbird.

  • Inside diameter options: 1.900 inches (48.2 mm)
  • Thickness: 0.215 inches (5.4 mm)
  • Premium grade material for durability and heat resistance
  • Zero mounting holes for a secure, leak-free fit
  • Compatible with Ford and Mercury vehicles including Mustang, Cougar, and Thunderbird

Detailed Product Description

The Fel-Pro 35706 thermostat seal is manufactured to meet strict OEM specifications, ensuring a precise fit and effective sealing performance. With an inside diameter of 1.900 inches (48.2 mm) and a thickness of 0.215 inches (5.4 mm), this seal is engineered to maintain a tight seal around the engine coolant thermostat. Its premium-grade construction offers resistance to heat and coolant chemicals, helping to prevent leaks and maintain optimal engine temperature control. This part is specifically designed for use in Ford and Mercury vehicles, including the Mustang, Cougar, and Thunderbird models, making it a reliable choice for maintaining your vehicle’s cooling system integrity.

Applications and Common Issues Addressed

  • Prevents coolant leaks around the thermostat housing
  • Maintains proper engine temperature regulation
  • Reduces risk of overheating due to faulty seals
  • Eliminates coolant contamination from external sources
  • Ensures consistent thermostat operation in Ford and Mercury vehicles

Installation Notes and Tips

When installing the Fel-Pro 35706 engine coolant thermostat seal, ensure the thermostat housing and surrounding surfaces are clean and free of old gasket material or debris. Proper alignment of the seal is critical to avoid leaks. Since this seal has no mounting holes, it relies on precise fitment and surface contact. Use appropriate torque specifications for the thermostat housing bolts to prevent distortion or damage to the seal. It is recommended to inspect the thermostat and housing for wear or damage during installation to ensure optimal performance.

Quality Assurance and Warranty

Fel-Pro parts are manufactured to meet or exceed OEM standards, providing dependable sealing solutions for automotive cooling systems. The 35706 thermostat seal is made from premium materials designed to withstand high temperatures and exposure to coolant fluids. While specific warranty details may vary, Fel-Pro products typically come with a limited warranty against defects in material and workmanship, offering confidence in the durability and reliability of this engine coolant thermostat seal.

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000FordMustang3.8LV6N/A
1999FordMustang3.8LV6N/A
1998FordMustang3.8LV6N/A
1997FordMustang3.8LV6N/A
1997FordThunderbird3.8LV6N/A
1997MercuryCougar3.8LV6N/A
1996FordMustang3.8LV6N/Awith Notch
1996FordThunderbird3.8LV6N/Awith Notch
1996MercuryCougar3.8LV6N/Awith Notch

* 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:

112961F6ZE8A571ABF6ZZ8A571A

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