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Gates 33957 Engine Coolant Thermostat
Reliable Cooling with Gates Heavy-Duty Thermostat 33957
The Gates Heavy-Duty Thermostat 33957 is engineered to maintain optimal engine temperature for reliable vehicle performance. Designed with durable steel, brass, and copper materials, this engine coolant thermostat ensures consistent operation under demanding conditions.
- Heavy-duty thermostat design with bottom by-pass configuration
- Constructed from steel, brass, and copper for durability
- Start to open temperature at 190°F (88°C) for precise temperature control
- Sealing flange outside diameter of 2.94 inches and valve diameter of 2.21 inches
- Height of 3.36 inches with flange thickness of 0.06 inches
About the Gates Heavy-Duty Thermostat Product Line
The Heavy-Duty Thermostat line by Gates focuses on robust cooling components designed for demanding engine environments. This product line emphasizes durability and precise temperature regulation, making it suitable for vehicles requiring reliable thermal management. The 33957 thermostat exemplifies these qualities with its sturdy construction and bottom by-pass design, supporting efficient coolant flow and engine protection.
Detailed Product Description
The Gates 33957 thermostat features a bottom by-pass design that allows coolant to circulate even when the thermostat is closed, helping to prevent localized overheating. Its steel, brass, and copper construction provides resistance to corrosion and wear, extending the service life of the thermostat. The unit opens at 190°F (88°C), ensuring the engine reaches optimal operating temperature before coolant flow increases. With a sealing flange outside diameter of 2.94 inches and a valve diameter of 2.21 inches, this thermostat fits specific engine cooling systems requiring these dimensions.
Common Applications and Issues Addressed
- Regulates engine temperature to prevent overheating
- Maintains efficient coolant flow with bottom by-pass design
- Prevents engine damage caused by thermostat failure
- Replaces worn or malfunctioning thermostats in compatible vehicles
- Supports consistent engine performance in heavy-duty conditions
Installation Notes and Tips
When installing the Gates Heavy-Duty Thermostat 33957, ensure the sealing flange and mating surfaces are clean and free of debris. This thermostat does not include a gasket or installation tool, so use the existing gasket or a compatible replacement. Verify the orientation of the bottom by-pass design to match the vehicle’s cooling system requirements. Proper installation helps maintain accurate temperature regulation and prevents leaks.
Quality Assurance and Warranty
Gates manufactures the 33957 thermostat to meet industry standards for durability and performance. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in materials and workmanship. For exact warranty information, consult the product documentation or Gates customer support.
| Brand | Gates |
| Part Number | 33957 |
| Material | Steel, brass, copper |
| Sealing Flange Outside Diameter | 2.94 |
| Height Between Flanges | 1.21 |
| Design | Bottom by-pass |
| Type | Heavy-duty thermostat |
| Height | 3.36 |
| Gasket Quantity | 0 |
| Jiggle Pin Weep Hole | No |
| Start to Open Temperature | 190 |
| Start to Open Temperature | 88 |
| Installation Tool Included | No |
| Flange Thickness | .06 |
| 9810 | 2.21 |
| 9813 | 1.62 |
| 9841 | 0 |
| 9852 | 0 |
| 9907 | 2.01 |
| By-Pass Flange Diameter (in) | 1.62 |
| Design | Bottom by-pass |
| Flange Thickness (in) | .06 |
| Height from Flange (in) | 2.01 |
| Includes Installation Tool | No |
| Material | Steel, brass, copper |
| Number of Gaskets | 0 |
| Number of Jiggle Pins/Check Valves | 0 |
| Number of Seals | 0 |
| Valve Diameter (in) | 2.21 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.