CARTER 170-959 International Tq Thermoquad Carburetor Choke Thermostat

( Brand: Carter ), ( Part Type: Carburetor Thermostat ), ( Manufacturer Part Number: 170-959 )

Review CARTER International Truck Tq Thermoquad Carburetor Choke Thermostat fits 1972–1980

The Carter 170-959 ThermoQuad Carburetor Choke Thermostat is a vital component of older International Harvester vehicles from the late 1970s and early 1980s. This thermostat plays a significant role in regulating the engine's temperature and managing the choke system of the carburetor.

The ThermoQuad designation signifies that this thermostat features four temperature sensors, providing a more precise temperature control system compared to earlier single-sensor models. This thermostat operates by maintaining the coolant temperature within a specific range, ensuring optimal engine performance and fuel efficiency.

The Carter 170-959 ThermoQuad Carburetor Choke Thermostat is designed to work seamlessly with the vehicle's carburetor choke system. During engine start-up, the thermostat allows the choke to remain engaged longer when the engine temperature is below a certain threshold. As the engine warms up, the thermostat allows the choke to disengage, ensuring a smooth transition to normal operating conditions.

This thermostat is made of high-quality materials, including a brass housing and stainless steel temperature sensors, making it highly durable and resistant to corrosion. It is designed to fit directly onto the engine's cooling system, with a simple bolt-on installation process.

The Carter 170-959 ThermoQuad Carburetor Choke Thermostat is an essential component for maintaining the performance and longevity of older International Harvester vehicles. By accurately controlling the engine temperature and choke system, this thermostat helps ensure a reliable start-up, improved fuel efficiency, and optimal engine performance.

The Carter 170-959 Thermoquad carburetor, produced between 1972 and 1980 for International TQ engines, is a complex fuel delivery system with a choke and thermostat built into it. Here are some pros and cons to help you make an informed decision before purchasing one.

1. Integration: Having the choke and thermostat built into the carburetor simplifies the engine system by reducing the number of separate components.

2. Cold Starting: The Thermoquad design improves cold starting by enriching the fuel mixture when the engine is cold, ensuring easier starting in cold weather conditions.

3. Fuel Efficiency: The Thermoquad design allows for optimal fuel efficiency by adjusting the fuel mixture based on engine temperature.

4. Originality: For collectors and restorers, using an original Carter 170-959 Thermoquad carburetor can add authenticity and value to their project.

1. Complexity: The Thermoquad design is more complex than a standard carburetor, which can lead to potential issues and increased maintenance requirements.

2. Availability: Due to its age, finding a good, functioning Carter 170-959 Thermoquad carburetor in good condition could be challenging and time-consuming.

3. Cost: Replacing or rebuilding a Carter 170-959 Thermoquad carburetor can be expensive, as the parts and labor required can add up quickly.

4. Adaptation: If you're planning to use modern fuel or emission control systems, integrating them with a Carter 170-959 Thermoquad carburetor could be challenging.

The Carter 170-959 Thermoquad carburetor offers advantages such as simplified engine system, cold starting improvements, and fuel efficiency. However, its complexity, availability, cost, and potential adaptability challenges should be carefully considered before making a purchase. Ultimately, if you're working on an authentic restoration project or require cold starting improvements in a classic International TQ engine, the Carter 170-959 Thermoquad carburetor could be a worthwhile investment. Otherwise, it may be more practical to consider modern carburetor or fuel injection systems that offer more convenience and reliability.

part # 170959 price

• $99.95

specifications carbcaddie:

• for years: 1972-1980
• brand: Carter
• part type: Carburetor Thermostat
• manufacturer part number: 170-959

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• started: October 23, 2025
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• quantity: 1

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• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
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