Engine thermostat seal ring gasket Ford F1VY8255A

Engine Thermostat Seal O-Ring Gasket Ford F1VY8255A

Purpose and Function of the Part

The Ford F1VY8255A thermostat seal O-ring is designed to provide a tight seal between the thermostat housing and the engine block or radiator in the cooling system. This genuine gasket prevents coolant leaks, maintains stable engine operating temperature, and extends the service life of the cooling system.

The component is part of the thermostat assembly and plays a crucial role in maintaining proper system pressure. Thanks to its precise geometry and original design, the ring ensures a secure fit without deformation or loss of sealing properties, even during long-term use.

Features and Advantages

• Genuine Ford part fully compliant with factory quality standards.

• Made from heat-resistant elastomer that withstands high temperatures and antifreeze exposure.

• Guarantees complete sealing of the connection and prevents leaks.

• Resistant to aging, cracking, and oil exposure.

• Ensures precise installation without additional adjustment.

• Compatible with original Ford thermostat housings and OE-quality equivalents.

• Suitable for long-term operation under high temperature and pressure conditions.

• Easy installation — no additional tools or sealants required.

Vehicle Compatibility

The Ford F1VY8255A genuine O-ring fits a wide range of Ford, Lincoln, and Mercury models, including:

• Ford Crown Victoria, Ford Thunderbird, Ford Taurus, Ford Mustang (specific V6 and V8 engine generations);

• Lincoln Continental, Lincoln Town Car;

• Mercury Grand Marquis, Mercury Sable, and other vehicles with similar cooling systems.
  The full compatibility list can be verified using the VIN number and Ford Motorcraft parts catalog.

Installation Recommendations

1. Remove old gasket residue and clean the mating surface thoroughly before installation.

2. Inspect the thermostat housing and pipes for damage or defects.

3. Install the O-ring without twisting, following the correct orientation.

4. Do not use additional sealants unless specified by the manufacturer.

5. After installation, refill the cooling system, bleed air, and check for leaks.

Benefits of the Genuine Part

• Complies with Ford Original Equipment (OE) standards.

• Manufactured in ISO-certified facilities with strict quality control.

• Fully compatible with both original and aftermarket thermostats.

• Service life up to 100,000 km or more.

• Optimal elasticity maintained between -40 °C and +130 °C.

Package Contents

• Thermostat O-ring (gasket) Ford F1VY8255A — 1 pc.

• Individually packaged with factory labeling and part number.

Technical Specifications

• Brand: Ford Genuine Parts

• Brand registration country: USA

• Country of manufacture: USA

• Part type: Engine thermostat seal O-ring

• OEM / OE number: F1VY8255A

• Purpose: Sealing the thermostat housing and preventing coolant leakage

• Material: Ethylene Propylene Diene Monomer (EPDM) rubber

• Operating temperature range: -40 °C to +130 °C

• Inner diameter: 47 mm

• Thickness: 3.5 mm

• Color: Black

• Weight: 6 g

• Compatibility: Ford, Lincoln, Mercury models

• Catalog compatibility: Ford OE / Motorcraft

• Condition: New

• Engine type: Gasoline / Diesel

• System purpose: Engine cooling system

• Chemical resistance: Antifreeze, oil, fuel, ozone

• Installation: No additional sealant required

• Service life: Up to 100,000 km

• Packaging: Individual package with Ford logo

• Set contents: One O-ring in factory packaging

• SKU: F1VY8255A

• Category: Genuine Ford OE spare parts

• Gender: For men (automotive parts and accessories category)

• Warranty: 12 months from manufacturer