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  3. GATES SX-3139

GATES SX-3139 Engine Coolant Thermostat 5.2L

fits make: Buick. year: 1935–1990.

Sx-3139 Gates Engine Coolant Thermostat For 1935-1942 Buick Limited Series 90 5.2l Bn

( Brand: Gates ), ( Manufacturer Part Number: SX-3139 ), ( Type: Engine Coolant Thermostat ), ( Placement On Vehicle: Belts Cooling Thermostat Housing ), ( Manufacturer Warranty: Recommended Service Interval ), ( Item Height: 2.750 ), ( Ipn: C491 59-53 ), ( Compatible Model: Limited Series 90 ), ( Compatible Year: 1942 1941 1940 1939 1938 1937 1936 1935 ), ( 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 Buick Limited Series 5.2l Bn fits 1935–1990

Introducing the Gates SX-3139 Engine Coolant Thermostat, meticulously designed for Buick 90 models manufactured between 1935 and 1942 with a 5.2L engine. This thermostat is an essential component of your cooling system, regulating the engine temperature to ensure optimal performance and longevity.

The Gates SX-3139 is engineered using advanced materials and manufacturing techniques to deliver superior quality and reliability. Its housing is crafted from robust, corrosion-resistant brass, providing excellent durability in even the most demanding conditions. The internal components, including the stainless steel thermostat valve and the brass temperature sensor, are designed to withstand the test of time.

This thermostat features a precise temperature control mechanism, ensuring that your engine stays within the ideal operating temperature range. The brass temperature sensor accurately measures the coolant temperature, allowing the thermostat to open or close as needed to maintain the optimal temperature.

The Gates SX-3139 thermostat is also designed for easy installation. It comes with all necessary hardware, including new gaskets, making it a direct replacement for your original equipment. The installation process is straightforward, and detailed instructions are included to guide you through the process.

This thermostat is also engineered to work seamlessly with your existing cooling system. It is designed to meet or exceed OE specifications, ensuring a perfect fit and function. The use of high-quality materials and manufacturing techniques also ensures that it delivers superior performance compared to aftermarket alternatives.

Investing in a new engine coolant thermostat like the Gates SX-3139 is a smart decision for any Buick 90 owner. It not only helps maintain the optimal engine temperature for improved performance and longevity but also provides peace of mind knowing that you have a reliable and durable component in your cooling system. Upgrade your cooling system today with the Gates SX-3139 Engine Coolant Thermostat.

Buying a Gates SX-3139 engine coolant thermostat for a 1935-1942 Buick 90 with a 5.2L engine can be a viable solution for maintaining optimal engine temperature and cooling system performance. Below are the pros and cons of purchasing this specific thermostat.

Pros:

1. Proven Reliability: Gates is a well-known and trusted brand in the automotive industry. This particular thermostat, the SX-3139, is designed for durability and long-lasting performance.

2. Temperature Control: Proper engine cooling is essential for a smooth and efficient operation. The thermostat ensures the engine stays at an appropriate temperature, preventing overheating and potential damage.

3. Easy Installation: The Gates SX-3139 thermostat is a direct replacement for the OEM (Original Equipment Manufacturer) part. This makes installation relatively straightforward, as no modifications are required.

4. Cost-Effective: Compared to other aftermarket options or rebuilding the existing thermostat, buying a new Gates SX-3139 thermostat can be a more cost-effective solution.

Cons:

1. Potential Fitment Issues: While the Gates SX-3139 thermostat is a direct replacement for most applications, it's essential to ensure a perfect fit for your specific 1935-1942 Buick 90 engine. Consult the manufacturer's specifications before purchasing to avoid any potential issues.

2. Cold Start Performance: Some users have reported that aftermarket thermostats, including the Gates SX-3139, may not provide the same cold start performance as the OEM part. This could result in longer warm-up times.

3. Limited Adjustability: Unlike some high-performance aftermarket thermostats, the Gates SX-3139 is not adjustable. This could be a drawback for those seeking more precise temperature control.

Conclusion:

The decision to buy a Gates SX-3139 engine coolant thermostat for a 1935-1942 Buick 90 with a 5.2L engine depends on your specific requirements and priorities. If you value reliability, ease of installation, and cost-effectiveness, this thermostat is a solid choice. However, if you require precise temperature control or are concerned about cold start performance, you might want to consider alternative options or consult with a professional mechanic for advice.

Details:

Gates Engine Coolant Thermostat for 1935-1942 Buick Limited Series 90 5.2L bn: Status: In Stock.

part #: sx3139 prices

  • $22.80-$44.25

specifications radiatoranch:

  • for makes: Buick
  • for years: 1935-1990
  • brand: Gates
  • mpn: Sx-3139
  • type: Engine Coolant Thermostat
  • placement on vehicle: Belts Cooling Thermostat Housing
  • manufacturer warranty: Recommended Service Interval
  • item height: 2.750
  • ipn: C491 59-53
  • compatible model: Limited Series 90
  • compatible year: 1942 1941 1940 1939 1938 1937 1936 1935
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Gates Engine Coolant Thermostat

payments radiatoranch:

  • other
  • wallet: Apple-pay
  • credit card: Discover

general radiatoranch:

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

shipping radiatoranch:

  • class: Standard, Expedited
  • transit: 3-5 Days
  • cost: $0.00
  • type: Fixed
  • service: Standard, Expedited

offer radiatoranch:

  • sold: 0
  • started: October 17, 2025
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 10

seller radiatoranch:

  • rating: 99.0%
  • city: Indianapolis, Indiana
  • # reviews: 581163

returns radiatoranch:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for makes: buick, for years: 1935-1990, type: engine coolant thermostat, placement on vehicle: belts cooling thermostat housing, manufacturer warranty: recommended service interval, item height: 2.750, compatible model: limited series 90, compatible year: 1942 1941 1940 1939 1938 1937 1936 1935, 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: 9614642210455603,

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