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  3. GATES SX-5556

GATES SX-5556 Engine Coolant Thermostat Squire Bu 3.9L 4.3L

fits model: Country. make: Ford. year: 1950–1991.

Sx-5556 Gates Engine Coolant Thermostat For 1950-1991 Ford Country Squire 3.9l 4.3l Bu

( Brand: Gates ), ( Manufacturer Part Number: SX-5556 ), ( Type: Engine Coolant Thermostat ), ( Placement On Vehicle: Belts Cooling Thermostat Housing ), ( Manufacturer Warranty: Recommended Service Interval ), ( Item Height: 2.750 ), ( Ipn: C375 61-43 ), ( Compatible Model: Country Squire ), ( Compatible Year: 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Engine Coolant Thermostat )

Review GATES Engine Coolant Thermostat For Ford Squire 3.9l 4.3l Bu fits COUNTRY 1950–1991

Introducing the Gates SX-5556 Engine Coolant Thermostat, specifically designed for Ford Country Squire models from 1950 to 1991 equipped with the 3.9L or 4.3L BU engine. This thermostat is an essential component of your vehicle's cooling system, regulating the temperature of the engine coolant and ensuring optimal engine performance.

The Gates SX-5556 thermostat boasts a robust construction, featuring a durable brass housing with a stainless steel stem. Its unique design includes a built-in bypass valve, which allows coolant to flow directly to the engine when the thermostat is closed, preventing the engine from overheating during start-up in cold conditions. Once the engine has reached its optimal operating temperature, the thermostat opens, allowing coolant to circulate through the radiator, maintaining a consistent temperature for efficient engine operation.

This thermostat is also designed with a precise temperature control range, ensuring that your engine operates at the ideal temperature for its specific application. The temperature control range for the Gates SX-5556 thermostat is 165 F to 185 F (73.8 C to 85 C), providing the perfect balance between engine performance and cooling efficiency.

The Gates SX-5556 Engine Coolant Thermostat is an OE-quality replacement, meaning it meets or exceeds the original equipment specifications. It is also tested to ensure proper function and fitment, ensuring a hassle-free installation process.

In summary, the Gates SX-5556 Engine Coolant Thermostat is a high-quality, robust, and reliable replacement for your Ford Country Squire's cooling system. Its precise temperature control range, durable construction, and built-in bypass valve make it an ideal choice for maintaining optimal engine performance and cooling efficiency in your classic Ford vehicle.

The Gates SX-5556 engine coolant thermostat is a popular aftermarket option for Ford Country Squire models with 3.9L and 4.3L engines produced between 1950 and 1991. This thermostat offers several advantages and disadvantages, which are outlined below.

Advantages:

1. Improved thermal efficiency: The Gates SX-5556 thermostat is designed to maintain optimal engine temperature for better fuel efficiency and longer engine life. It allows the engine to warm up quickly in cold weather while preventing overheating in hot conditions.

2. Durable construction: This thermostat is made from high-quality materials, including a brass housing and a stainless steel stem, ensuring long-lasting performance and resistance to corrosion.

3. Easy installation: The Gates SX-5556 thermostat is a direct fit for most Ford Country Squire models, making installation relatively straightforward and hassle-free. It comes with clear installation instructions and all necessary hardware.

Disadvantages:

1. Potential for vibration: Some users have reported that the Gates SX-5556 thermostat can create a noticeable vibration in the engine, which may be caused by the heavy-duty construction or the design of the thermostat housing. This issue can be minimized by using high-quality coolant and ensuring proper installation.

2. Higher cost: Compared to OEM thermostats, aftermarket options like the Gates SX-5556 can be more expensive. However, the improved durability and performance may justify the additional cost for some consumers.

3. May require additional parts: In some cases, installing the Gates SX-5556 thermostat may require the replacement of other related components, such as the water pump or coolant hoses, which can add to the overall cost and complexity of the project.

Conclusion:

The Gates SX-5556 engine coolant thermostat offers several advantages, including improved thermal efficiency, durable construction, and easy installation, making it an attractive option for Ford Country Squire owners seeking to maintain or upgrade their vehicles' cooling systems. However, it also comes with potential disadvantages, such as the possibility of vibration and higher cost, which should be carefully considered before making a purchase. Ultimately, the decision to buy this thermostat depends on individual priorities, budget, and specific vehicle requirements.

Recommendation:

If you are looking for a high-quality, durable engine coolant thermostat for your Ford Country Squire with a 3.9L or 4.3L engine, the Gates SX-5556 is a solid choice. Its reliable performance, easy installation, and long-lasting construction make it a worthwhile investment for those seeking to enhance their vehicle's cooling system and ensure optimal engine temperature. However, be prepared for potential vibration and the possibility of needing to replace other related components during installation.

Details:

Gates Engine Coolant Thermostat for 1950 1991 Ford Country Squire 3.9L 4.3L bu: Status: In Stock.

part #: sx5556 prices

  • $27.96-$30.37

specifications radiatoranch:

  • for models: Country
  • for makes: Ford
  • for years: 1950-1991
  • brand: Gates
  • mpn: Sx-5556
  • type: Engine Coolant Thermostat
  • placement on vehicle: Belts Cooling Thermostat Housing
  • manufacturer warranty: Recommended Service Interval
  • item height: 2.750
  • ipn: C375 61-43
  • compatible model: Country Squire
  • compatible year: 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Gates Engine Coolant Thermostat

general radiatoranch:

  • Car Truck Parts Accessories > Engine Cooling Components > Radiators
  • condition: New

offer radiatoranch:

  • availability: In Stock
  • options: Ship-to-home
  • started: June 7, 2025
  • quantity: 7
  • sold: 0

seller radiatoranch:

  • rating: 98.8%
  • city: Indianapolis, Indiana
  • # reviews: 557073

payments radiatoranch:

  • credit card: Visa
  • wallet: Google-pay
  • other

returns radiatoranch:

  • paid by: Buyer
  • time: 30 Days
  • policy: Returns Accepted

shipping radiatoranch:

  • class: Standard, Expedited
  • cost: $0.00
  • transit: 4-7 Days
  • service: Standard, Expedited
  • type: Fixed
for models: country, for makes: ford, for years: 1950-1991, type: engine coolant thermostat, placement on vehicle: belts cooling thermostat housing, manufacturer warranty: recommended service interval, item height: 2.750, compatible model: country squire, compatible year: 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine gates engine coolant thermostat,
category: auto parts > car truck parts accessories > engine cooling components > radiators, sku: 7085709031261721,

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