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  3. GATES SX-9641

GATES SX-9641 Engine Coolant Thermostat Cooling Ir 6.5L V8

fits model: C2500. make: Gmc. year: 1997–1999.

Sx-9641 Gates Engine Coolant Thermostat For 1997-1999 Gmc C2500 6.5l V8 Cooling Ir

( Brand: Gates ), ( Manufacturer Part Number: SX-9641 ), ( Type: Engine Coolant Thermostat ), ( Placement On Vehicle: Belts Cooling Thermostat Housing ), ( Manufacturer Warranty: Recommended Service Interval ), ( Item Height: 2.750 ), ( Ipn: C753 62-40 ), ( Compatible Year: 1999 1998 1997 ), ( 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 Gmc 6.5l V8 Cooling Ir fits C2500 1997–1999

The Gates SX-9641 Engine Coolant Thermostat is specifically designed for the 1997-1999 GMC C2500 models equipped with the 6.5L V8 cooling system. This thermostat is an essential component of your vehicle's cooling system, regulating the flow of coolant between the engine and radiator to maintain optimal operating temperature.

The Gates SX-9641 thermostat features a durable, high-temperature housing made from robust materials. Its compact design ensures a perfect fit in your engine compartment, allowing for easy installation. This thermostat is designed to provide reliable and consistent performance under various driving conditions, ensuring that your engine stays cool and runs efficiently.

The Gates SX-9641 Engine Coolant Thermostat has a precise temperature control mechanism. It uses a temperature-sensitive valve to regulate the flow of coolant based on the engine temperature. The valve opens when the engine reaches its optimal operating temperature, allowing coolant to flow through the engine to absorb excess heat. Once the engine cools down, the valve closes, preventing coolant from flowing unnecessarily, which in turn helps to conserve engine heat and improve fuel economy.

This thermostat is also designed to offer excellent durability. It features a heavy-duty, corrosion-resistant stainless steel spring that provides consistent pressure to the temperature-sensitive valve. The valve is made from high-quality materials that can withstand the rigors of continuous use in a high-temperature environment. Additionally, the thermostat is designed to offer excellent sealing performance, preventing coolant leaks and ensuring that your cooling system remains sealed and effective.

In summary, the Gates SX-9641 Engine Coolant Thermostat is a high-quality, durable component designed specifically for the 1997-1999 GMC C2500 models with a 6.5L V8 cooling system. It offers precise temperature control, excellent durability, and easy installation, ensuring that your engine stays cool and runs efficiently under various driving conditions.

Buying a Gates SX-9641 engine coolant thermostat for a 1997-1999 GMC C2500 with a 6.5L V8 cooling system comes with several pros and cons. Let's examine each in detail.

Pros:

1. OEM Quality: The Gates SX-9641 thermostat is an Original Equipment Manufacturer (OEM) replacement part. It is designed to meet the same specifications as the original thermostat that came with the vehicle.

2. Reliability: A faulty thermostat can lead to overheating, which can cause damage to the engine. By replacing the thermostat with a new OEM part, you can ensure the cooling system is functioning properly and reliably.

3. Improved Performance: A new thermostat can help improve engine performance by ensuring the engine is operating at the correct temperature. This can lead to better fuel efficiency and longer engine life.

Cons:

1. Cost: A new OEM thermostat can be more expensive than aftermarket alternatives. However, the cost may be worth it for the peace of mind that comes with knowing you're using a high-quality part.

2. Installation: Installing a new thermostat can be a time-consuming and labor-intensive process. It may require removing the radiator and other components to access the thermostat housing.

3. Availability: Depending on your location and the availability of parts from your dealership or other suppliers, it may take some time to obtain the Gates SX-9641 thermostat.

In conclusion, while there are some cons to consider, the benefits of using a Gates SX-9641 engine coolant thermostat for a 1997-1999 GMC C2500 with a 6.5L V8 cooling system outweigh the drawbacks. The reliability and improved performance of a new OEM thermostat make it a worthwhile investment, even if it comes with a higher cost and installation challenges.

Therefore, I would recommend purchasing the Gates SX-9641 engine coolant thermostat as a replacement for your vehicle's faulty thermostat. While it may require some effort and expense, the peace of mind and improved performance that come with using a high-quality OEM part are well worth it.

Details:

Gates Engine Coolant Thermostat for 1997 - 1999 GMC C2500 6.5L V8 Cooling ir: Status: In Stock.

part #: sx9641 prices

  • $15.39-$23.16

specifications radiatoranch:

  • for models: C2500
  • for makes: Gmc
  • for years: 1997-1999
  • brand: Gates
  • mpn: Sx-9641
  • type: Engine Coolant Thermostat
  • placement on vehicle: Belts Cooling Thermostat Housing
  • manufacturer warranty: Recommended Service Interval
  • item height: 2.750
  • ipn: C753 62-40
  • compatible year: 1999 1998 1997
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Gates Engine Coolant Thermostat

returns radiatoranch:

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

general radiatoranch:

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

offer radiatoranch:

  • quantity: 10
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: January 17, 2026

seller radiatoranch:

  • # reviews: 613999
  • rating: 99.4%
  • city: Indianapolis, Indiana

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shipping radiatoranch:

  • class: Standard, Expedited
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  • cost: $0.00
  • type: Fixed
for models: c2500, for makes: gmc, for years: 1997-1999, type: engine coolant thermostat, placement on vehicle: belts cooling thermostat housing, manufacturer warranty: recommended service interval, item height: 2.750, compatible year: 1999 1998 1997, 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: 11381451452717603,

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