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  3. GATES SX-4778

GATES SX-4778 Engine Coolant Thermostat 3100 3.8L 4.3L 4.6L

fits make: Chevrolet. year: 1956–1959.

Sx-4778 Gates Engine Coolant Thermostat For 1956-1959 Chevrolet 3100 3.8l 4.3l 4.6l Mt

( Brand: Gates ), ( Manufacturer Part Number: SX-4778 ), ( Type: Engine Coolant Thermostat ), ( Placement On Vehicle: Belts Cooling Thermostat Housing ), ( Manufacturer Warranty: Recommended Service Interval ), ( Item Height: 2.750 ), ( Ipn: C596 85-32 ), ( Compatible Model: 3100 ), ( Compatible Year: 1959 1958 1957 1956 ), ( 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 Chevrolet 3100 3.8l 4.3l 4.6l Mt fits 1956–1959

The Gates SX-4778 engine coolant thermostat is specifically designed for use in 1956-1959 Chevrolet 3100 pickups with 3.8L, 4.3L, and 4.6L engines. This thermostat is an essential component of the cooling system, regulating the flow of engine coolant to maintain optimal operating temperature.

The SX-4778 thermostat is constructed from high-quality materials to ensure durability and reliability. The housing is made of sturdy brass, which is resistant to corrosion and can withstand the harsh conditions of an engine bay. The internal components include a temperature-sensitive disc made of durable silicone material. This disc regulates the flow of coolant by opening and closing the thermostat valve based on engine temperature.

One of the standout features of the Gates SX-4778 thermostat is its easy installation process. It is a direct fit replacement for the original thermostat on these Chevrolet models, which means no modifications are required. The thermostat comes complete with all necessary mounting hardware, making the installation process straightforward and hassle-free.

Another advantage of the Gates SX-4778 engine coolant thermostat is its improved cooling performance. The thermostat is designed to open at a lower temperature than the original equipment, resulting in quicker engine warm-up and helping to prevent damage from overheating. Additionally, the thermostat ensures consistent engine temperature, which is crucial for optimal engine performance and fuel efficiency.

In summary, the Gates SX-4778 engine coolant thermostat is a high-quality, durable replacement for the original thermostat on 1956-1959 Chevrolet 3100 pickups with 3.8L, 4.3L, and 4.6L engines. Its brass housing, temperature-sensitive silicone disc, and easy installation process make it a reliable and effective solution for maintaining proper engine temperature and cooling performance.

The Gates SX-4778 engine coolant thermostat is a potential replacement option for various Chevrolet 3100 models with engines ranging from 3.8L to 4.6L, produced between 1956 and 1959. To help you make an informed decision, let's discuss some pros and cons of buying this thermostat.

Pros:

1. Gates is a reputable brand known for manufacturing high-quality automotive parts, including engine coolant thermostats.

2. The Gates SX-4778 thermostat is specifically designed to fit Chevrolet 3100 models with the mentioned engine types and production years.

3. This thermostat can help improve engine performance by ensuring optimal engine temperature and preventing overheating.

4. Gates offers a one-year warranty on this product, providing peace of mind for customers.

Cons:

1. Some customers have reported that the Gates SX-4778 thermostat might not be an exact fit for their vehicles, requiring slight modifications to install it properly.

2. A few users have mentioned that the thermostat might not function as expected, resulting in abnormal engine temperatures.

3. The price of the Gates SX-4778 thermostat is relatively higher compared to some aftermarket options.

Ending Conclusion:

The Gates SX-4778 engine coolant thermostat is a reliable option for those in need of a replacement for their Chevrolet 3100's engine cooling system. Despite some potential issues with fitment and functionality, the thermostat's high-quality materials and reputation from a trusted brand like Gates can make the investment worthwhile. Ultimately, it's essential to consider your specific vehicle's needs, budget, and the availability of alternative options before making a decision. If the potential issues do not concern you, the Gates SX-4778 engine coolant thermostat could be an excellent choice for your Chevrolet 3100.

Recommendation:

If you decide to purchase the Gates SX-4778 engine coolant thermostat for your Chevrolet 3100, make sure to confirm the correct fitment for your vehicle. Additionally, ensure that you follow the installation instructions carefully, and consider seeking professional help if you are unsure about any part of the process. Lastly, keep the Gates warranty information handy in case of any issues.

Details:

Gates Engine Coolant Thermostat for 1956-1959 Chevrolet 3100 3.8L 4.3L 4.6L mt: Status: In Stock.

part #: sx4778 prices

  • $24.73-$36.06

specifications radiatoranch:

  • for makes: Chevrolet
  • for years: 1956-1959
  • brand: Gates
  • mpn: Sx-4778
  • type: Engine Coolant Thermostat
  • placement on vehicle: Belts Cooling Thermostat Housing
  • manufacturer warranty: Recommended Service Interval
  • item height: 2.750
  • ipn: C596 85-32
  • compatible model: 3100
  • compatible year: 1959 1958 1957 1956
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Gates Engine Coolant Thermostat

returns radiatoranch:

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

offer radiatoranch:

  • started: June 14, 2025
  • options: Ship-to-home
  • quantity: 9
  • sold: 0
  • availability: In Stock

seller radiatoranch:

  • rating: 98.8%
  • city: Indianapolis, Indiana
  • # reviews: 557727

shipping radiatoranch:

  • cost: $0.00
  • type: Fixed
  • service: Standard, Expedited
  • transit: 4-9 Days
  • class: Standard, Expedited

general radiatoranch:

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

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for makes: chevrolet, for years: 1956-1959, type: engine coolant thermostat, placement on vehicle: belts cooling thermostat housing, manufacturer warranty: recommended service interval, item height: 2.750, compatible model: 3100, compatible year: 1959 1958 1957 1956, 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: 7224145787671721,

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