Fel-Pro 35708 Engine Coolant Thermostat Seal

Brand Fel-Pro 35708
Grade Type Premium
Fits Ford · 7 vehicles

Premium grade. Application-specific materials deliver dependable sealing performance.

Thermostat seal. Built for engine coolant sealing applications.

Fel-Pro sealing solutions. Trusted by professionals for performance and durability.

Cross-references MAHLE C32115, 113401 and F65E8A571AB for the same application. See all 4.

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Fel-Pro 35708 Thermostat Seal Overview

Fel-Pro 35708 is a premium engine coolant thermostat seal built for a precise seal at the thermostat housing. It uses application-specific materials to support 100% vehicle sealing and the durability professionals expect in cooling system service.

Compatible with 1998 Ford F-150, 1997 Ford E-150 Econoline with Notch, 1997 Ford E-150 Econoline Club Wagon with Notch, 1997 Ford E-250 Econoline with Notch, 1997 Ford F-150 with Notch, and 1996-1997 Ford Windstar with Notch.

Key Features

  • Premium-grade thermostat seal for cooling system service
  • Application-specific sealing material for a precise fit
  • Supports reliable sealing at the engine coolant thermostat housing
  • Built for professional repair standards
  • Fel-Pro part number 35708 for direct identification

Detailed Description

Fel-Pro 35708 is an engine coolant thermostat seal engineered for vehicles that require a dependable seal in the cooling system. Fel-Pro’s sealing approach focuses on vehicle-specific materials and fitment to help maintain proper coolant containment at the thermostat housing. This makes it a practical choice for service work on Ford F-150, Ford Windstar, and Ford Econoline applications where accurate sealing matters.

This part cross-references MAHLE C32115 for the same application. The Fel-Pro 35708 thermostat seal is a direct-fit sealing component for the listed Ford applications and is identified as Premium grade.

What It Is Used For

  • Replacing a worn thermostat seal during cooling system repair
  • Addressing coolant seepage at the thermostat housing
  • Restoring a proper seal after thermostat service
  • Helping correct leaks that can lead to low coolant level
  • Supporting stable cooling system operation on Ford F-150 and Windstar applications

Installation Notes and Tips

Clean the sealing surfaces thoroughly before installation and inspect the thermostat housing for corrosion, pitting, or distortion. Verify the seal matches the vehicle application and thermostat housing design before assembly. For best results, follow the vehicle service procedure and coolant refill specifications for the exact Ford model.

Quality Assurance

Fel-Pro gaskets are built around application-specific sealing materials and vehicle-focused fitment to support dependable sealing performance. Part number 35708 is a premium-grade sealing component for the listed Ford applications.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1998FordF-1504.2LV6N/A—
1997FordE-150 Econoline4.2LV6N/Awith Notch
1997FordE-150 Econoline Club Wagon4.2LV6N/Awith Notch
1997FordE-250 Econoline4.2LV6N/Awith Notch
1997FordF-1504.2LV6N/Awith Notch
1997FordWindstar3.8LV6N/Awith Notch
1996FordWindstar3.8LV6N/Awith Notch
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
MAHLE — C32115113401F65E8A571ABF65Z8A571AB