HomeBelts and Cooling > Gaskets and Sealing SystemsFel-Pro 35625 Engine Coolant Thermostat Seal
Part #: 35625

Fel-Pro 35625 Engine Coolant Thermostat Seal

⚙️ 8 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: Ford and Mazda, Ranger and B2500
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Overview of Fel-Pro Engine Coolant Thermostat Seal 35625

The Fel-Pro 35625 engine coolant thermostat seal is designed for reliable sealing performance in Ford and Mazda vehicles, specifically the B2500 and Ranger models. This premium-grade seal ensures proper coolant flow and temperature regulation by maintaining a secure fit around the thermostat housing.

  • Inside diameter options: 1.880 inches (47.7 mm)
  • Premium grade material for durability and heat resistance
  • Thickness of 0.256 inches (6.5 mm) for optimal sealing
  • Zero mounting holes for a precise, leak-free fit
  • Compatible with Ford B2500 and Mazda Ranger engine coolant systems

Detailed Product Description

The Fel-Pro 35625 engine coolant thermostat seal is engineered to provide a tight, reliable seal between the thermostat and engine components. With an inside diameter of 1.880 inches (47.7 mm) and a thickness of 0.256 inches (6.5 mm), this seal is designed to fit precisely without the need for mounting holes, reducing the risk of leaks. Its premium-grade construction ensures resistance to high temperatures and coolant exposure, maintaining engine efficiency and preventing coolant loss over time.

Compatible Vehicles and Applications

This thermostat seal is compatible with Ford B2500 and Mazda Ranger models, making it a suitable replacement part for maintaining proper engine coolant system function. It is specifically designed to work with the thermostat housing in these vehicles, ensuring a secure fit and consistent engine temperature regulation.

  • Prevents coolant leaks around the thermostat housing
  • Maintains proper engine operating temperature
  • Reduces risk of engine overheating
  • Helps avoid coolant contamination and loss
  • Supports efficient engine performance and longevity

Installation Notes and Tips

When installing the Fel-Pro 35625 thermostat seal, ensure the mating surfaces are clean and free of old gasket material or debris. Proper alignment of the seal with the thermostat housing is critical to prevent leaks. Since this seal does not have mounting holes, careful positioning is necessary before securing the thermostat assembly. Use manufacturer-recommended torque specifications to avoid damage.

Quality Assurance and Warranty

Fel-Pro manufactures the 35625 engine coolant thermostat seal to meet stringent quality standards for durability and performance. The premium-grade material selection and precise manufacturing processes contribute to reliable sealing under demanding engine conditions. While specific warranty details may vary, Fel-Pro products typically come with a limited warranty against defects in material and workmanship.

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001FordRanger2.5LL4N/A
2001MazdaB25002.5LL4N/A
2000FordRanger2.5LL4N/A
2000MazdaB25002.5LL4N/A
1999FordRanger2.5LL4N/A
1999MazdaB25002.5LL4N/A
1998FordRanger2.5LL4N/A
1998MazdaB25002.5LL4N/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:

113661C31758F87Z8255AA

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