| GATES 33768 Specifications |
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| Bypass Flange Diameter (IN) | 1.69 | | Bypass Flange Length (IN) | 1.71 | | Design | Bottom By-Pass | | Flange Height (IN) | 1 | | Flange Thickness (IN) | .05 | | Gasket Quantity | 0 | | Height (IN) | 2.248 | | Height Between Flanges (in) | 1.347 | | Installation Tool Included | No | | Jiggle Pin Check Valve Quantity | 1 | | Jiggle Pin Weep Hole | Yes | | Material | Stainless Steel, Copper | | Seal Material | Rubber | | Seal Quantity | 1 | | Seal Type | O-Ring | | Sealing Flange Outside Diameter (IN) | 3.31 | | Start to Open Temperature (C) | 85 | | Start to Open Temperature (F) | 185 |
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Gates only partners with prime OE thermostat manufacturers to provide OE Type construction.
- Map Controlled - Bolt-on solution with included sensor that links to the engine control unit.
- Allows ECU to regulate engine temperatures.
- Provides adaptive, on-demand engine cooling.
- Lowers emissions and fuel consumption.
- Quality controlled factory calibration assures accuracy of opening and closing, regardless of pressure changes.
- Matches the OEM product fit, function and design.
- Features like jiggle pins and check valves for air venting, seals, and gaskets (where applicable) make these thermostats equivalent to the original equipment parts.
- Easy, one step fit and installation with no special tools required.
 Which Thermostat Is Right For You?
| Type |
Lifespan |
Flow Rate |
Precise Temperature Control |
Fail-Safe Engine Protection |
Economy
|
★ |
★ |
★ |
|
Standard Replacement
|
★★ |
★ |
★★ |
|
Performance
|
★★ |
★★ |
★★ |
|
| Heavy Duty |
★★★ |
★★ |
★★★ |
|
Premium
|
★★ |
★ |
★★ |
★ |
 What Temperature Thermostat Do I Need? Thermostats have a “rated” temperature (such as 180F or 195F). This is the temperature the thermostat will start to open, releasing heated coolant from the engine into the radiator. The thermostat will fully open once the coolant gets another ten or fifteen degrees warmer.
| OE TEMPERATURE |
These thermostats match the OEM-specified temperature rating for the vehicle. Manufacturers recommend an OE temperature thermostat for most engines, especially for:
- Modern engines with computers that use the coolant temperature to help control the fuel, emissions and other important systems
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| ALTERNATE TEMPERATURE |
These thermostats have a temperature rating below (cooler than) the OEM-specified temperature rating for the vehicle. This option may make sense for use in:
- Modified Engines
- Performance Applications
- Older / Classic Vehicles
|
 Cooling System Maintenance | Tips & Tools Without regular maintenance, cooling system components will degrade and fail prematurely, which can lead to costly engine damage. Protect your engine with simple preventative maintenance:
- Completely drain and flush the system using Cooling System Flush prior to installation. Flushing the system is critical to prevent system contamination and failure.
- Consider replacing the Radiator Hoses (and Hose Clamps) and Radiator Cap as part of routine preventative maintenance. System contamination can cause these parts to degrade and fail over time, which can lead to severe engine damage from overheating.
- Refill radiator with fresh Coolant / Antifreeze according to the volume and formula specified in your Owner's Manual. Inspect levels and condition every year.
 Additional Resources
Understanding Coolant Technology and Selection
Attention California Customers - Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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| OEM / Interchange Numbers: 1153172984 |
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