HOLLEY 4380 Carburetor Choke Thermostat 4BBL

( Brand: Holley ), ( Part Type: Carburetor Thermostat ), ( Manufacturer Part Number: 4380 )

Review HOLLEY Oem Carburetor Choke Thermostat Mopar Chrysler fits 1967–1972

The Holley 4380 carburetor choke thermostat is a crucial component for Mopar and Chrysler 4-barrel engines manufactured between 1967 and 1972. This thermostat plays a pivotal role in optimizing your vehicle's cold starting performance, ensuring a smooth and hassle-free driving experience, especially during the winter months.

The Holley 4380 choke thermostat is meticulously designed to fit perfectly in your 1960s Mopar or Chrysler engine, making it an ideal replacement for the worn-out or faulty thermostat in your existing setup. This thermostat is engineered with precision, using high-quality materials that guarantee durability and reliability.

The thermostat housing is crafted from a robust, corrosion-resistant material, ensuring that it withstands the test of time and the harsh conditions that come with frequent starts and stops. The internal components of the thermostat are manufactured from heat-resistant materials, allowing the thermostat to maintain optimal temperature levels in your engine, even during the coldest weather conditions.

The Holley 4380 carburetor choke thermostat features a choke valve that automatically engages when the engine temperature drops below a certain threshold. This valve allows a rich fuel mixture to flow into the engine, making it easier to start when the temperature is low. Once the engine reaches its normal operating temperature, the choke valve closes, preventing the engine from running rich and wasting valuable fuel.

The Holley 4380 thermostat also includes a built-in temperature sender, which allows your vehicle's temperature gauge to accurately display the engine temperature. This feature is particularly important during the winter months, as it helps you monitor the engine temperature and avoid potential damage from overheating or freezing.

Installing the Holley 4380 carburetor choke thermostat is a straightforward process, making it an excellent choice for DIY enthusiasts and professional mechanics alike. The thermostat comes with clear installation instructions, ensuring that you can complete the installation process with confidence and ease.

In summary, the Holley 4380 carburetor choke thermostat is a must-have accessory for any Mopar or Chrysler 4-barrel engine manufactured between 1967 and 1972. It offers superior cold starting performance, durability, and ease of installation, making it an essential addition to your engine setup. With the Holley 4380 thermostat, you can enjoy a smoother, more reliable driving experience, regardless of the weather conditions.

The Holley 4380 carburetor is a popular choice for Mopar and Chrysler 4-barrel engines from the years 1967 to 1972. The inclusion of a choke thermostat is an optional upgrade that can provide several benefits, but it also comes with some potential drawbacks. Let's examine the pros and cons of using a Holley 4380 carburetor with a choke thermostat.

1. Improved cold starting: A choke thermostat allows the engine to get a rich fuel mixture during cold starts, making it easier to crank and start the engine. This is particularly beneficial in colder climates where the engine may take longer to warm up.

2. Better idle stability: The choke thermostat helps to maintain a consistent idle during cold starts by gradually closing the choke as the engine temperature rises. This can lead to a smoother running engine and improved drivability.

3. Simplified starting procedure: With a choke thermostat, you don't have to manually choke the engine before starting it in cold weather. The thermostat automatically provides the rich fuel mixture needed for cold starts, making the starting process easier and more convenient.

1. Additional cost: A Holley 4380 carburetor with a choke thermostat will cost more than a standard 4380 carburetor without the thermostat. This may be a consideration for budget-conscious enthusiasts.

2. Potential for richer-than-necessary fuel mixture: The choke thermostat can provide a rich fuel mixture during cold starts, which may not be ideal for all driving conditions. This could lead to increased fuel consumption and potential emissions issues.

3. Potential for increased maintenance: The addition of a choke thermostat can increase the complexity of the carburetor setup, which could lead to increased maintenance requirements.

The Holley 4380 carburetor with a choke thermostat can provide several benefits for Mopar and Chrysler 4-barrel engines from the years 1967 to 1972, particularly in cold weather climates. However, it also comes with some potential drawbacks, such as additional cost and potential for increased maintenance requirements. Ultimately, the decision to use a Holley 4380 carburetor with a choke thermostat will depend on your specific needs and priorities as a car enthusiast. If you frequently experience cold starts and value the convenience and improved cold starting performance, then the added cost and potential maintenance requirements may be worth it. However, if you prioritize simplicity and cost-effectiveness, then a standard Holley 4380 carburetor without the choke thermostat may be a better choice for you.

part # 4380 prices

• $17.95-$25.47

specifications carbcaddie:

• for makes: Mopar, Chrysler
• for years: 1967-1972
• brand: Holley
• part type: Carburetor Thermostat
• manufacturer part number: 4380

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returns carbcaddie:

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

shipping carbcaddie:

• type: Calculated
• class: Standard
• transit: 4-10 Days
• cost: $8.10
• carrier: USPS
• service: USPS Ground Advantage

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: Remanufactured

seller carbcaddie:

• rating: 99.9%
• # reviews: 22386

offer carbcaddie:

• quantity: 1
• options: Ship-to-home
• started: March 16, 2026
• best offers: True
• sold: 0
• availability: In Stock

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