1. Carburetor Parts On Sale
  2. sku: 2564510745330883
  3. CARTER 170-AC-478S

CARTER 170-AC-478S Choke Thermostat Afb 401

fits model: 425. make: Buick. year: 1957–1961-63.

170-ac-478s Carter Choke Thermostat For Afb 1957 And 1961-63 Buick 401 425

( Brand: Carter ), ( Part Type: Thermostat ), ( Manufacturer Part Number: 170-AC-478S ), ( Country/region Of Manufacture: United States )

Review CARTER Choke Thermostat Afb And Buick 401 fits 425 1957–1961-63

The Carter AFB 170-AC-478S choke thermostat is a crucial component in the starting system of certain Buick engines produced between 1957 and 1963, specifically those equipped with the 401 and 425 cubic inch 215 and 225 horsepower V8 engines. This thermostat plays a vital role in ensuring a reliable and efficient starting process during cold weather conditions.

The Carter 170-AC-478S is a mechanically operated choke thermostat. It works by allowing excessive fuel mixture into the carburetor during engine cranking, which helps to richly fuel the engine and improve cold start performance. The thermostat is designed to open when the engine coolant temperature falls below a certain threshold, typically around 35 to 50 degrees Fahrenheit. Once the engine reaches operating temperature, the thermostat closes, preventing the excessive fuel mixture from entering the carburetor and maintaining optimal engine performance.

The Carter AFB 170-AC-478S is constructed using high-quality materials to ensure durability and longevity. The thermostat housing is made of sturdy cast aluminum, while the internal components are made of heat-resistant materials. The thermostat is also designed with a spring-loaded plunger that ensures a positive seal, preventing leakage and ensuring precise temperature control.

The Carter AFB 170-AC-478S choke thermostat is an essential component for any Buick owner looking to improve their vehicle's cold start performance and ensure reliable starting in cold weather conditions. This thermostat is easy to install, requiring only basic hand tools, and is a direct replacement for the original equipment on these specific Buick engines.

In summary, the Carter AFB 170-AC-478S choke thermostat is a high-quality, mechanically operated thermostat designed specifically for the 1957-1963 Buick 401 and 425 cubic inch V8 engines. It is constructed using durable materials, is easy to install, and provides improved cold start performance by allowing excessive fuel mixture into the carburetor during engine cranking.

Carter 170-AC-478S Choke Thermostat for 1957-1961 Buick 401/425: Pros, Cons, and Conclusion

The Carter 170-AC-478S choke thermostat is a component that can be used in certain Buick engines from 1957 to 1963, including those with the 401 and 425 cubic inch V8 engines. In this analysis, we will discuss the pros and cons of purchasing this choke thermostat for your specific vehicle.

Pros:

1. OEM Replacement: This Carter choke thermostat is an original equipment manufacturer (OEM) replacement part, ensuring a perfect fit and function for your Buick engine.

2. Improved Cold Starting: A functioning choke thermostat allows for better cold starting, especially in colder weather conditions, ensuring a more efficient and reliable engine operation.

3. Reduced Emissions: A well-functioning choke thermostat ensures a cleaner burn by allowing the engine to reach optimal temperature more quickly, reducing harmful emissions.

4. Long-Lasting: Carter choke thermostats are known for their durability and long lifespan, providing value for money in the long run.

5. Enhanced Engine Performance: A correctly functioning choke thermostat can lead to improved engine performance and fuel efficiency by ensuring that the engine receives the proper air-fuel mixture at all times.

Cons:

1. Cost: The Carter 170-AC-478S choke thermostat may be more expensive compared to aftermarket alternatives, but the benefits of an OEM replacement part often outweigh the cost difference.

2. Availability: Depending on your location, you may have difficulty finding this specific Carter choke thermostat in local auto parts stores, requiring an online purchase.

3. Installation Complexity: Installing a choke thermostat can be a more involved process compared to other auto parts, and it may require some mechanical expertise or professional assistance.

Conclusion:

The Carter 170-AC-478S choke thermostat is a valuable investment for those looking to maintain or restore their 1957-1961 Buick 401/425 engines. Its benefits, such as improved cold starting, reduced emissions, long-lasting durability, and enhanced engine performance, far outweigh the potential cons, including cost and installation complexity. By choosing an OEM replacement part, you can ensure a perfect fit, optimal function, and long-term reliability for your Buick engine.

Recommendation:

If you are in need of a choke thermostat for your 1957-1961 Buick 401/425 engine, the Carter 170-AC-478S is an excellent choice. While it may require some investment and installation effort, the long-term benefits are well worth the cost. You can purchase this part from reputable auto parts suppliers or through the Carter website, ensuring a high-quality and authentic OEM replacement.

part # 170ac478s price

  • $24.49

specifications carbcaddie:

  • for models: 425
  • for makes: Buick
  • for years: 1957-1961-63
  • brand: Carter
  • part type: Thermostat
  • manufacturer part number: 170-AC-478S
  • country/region of manufacture: United States

offer carbcaddie:

  • availability: In Stock
  • started: March 4, 2025
  • quantity: 8
  • options: Ship-to-home
  • sold: 0

seller carbcaddie:

  • # reviews: 25424
  • rating: 98.5%

payments carbcaddie:

  • cash
  • wallet: Paypal
  • credit card: Visa
  • other

returns carbcaddie:

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

shipping carbcaddie:

  • type: Calculated
  • carrier: USPS
  • transit: 3-8 Days
  • cost: $0.00
  • service: USPS Ground Advantage, USPS Priority Mail
  • class: Standard, Expedited

general carbcaddie:

  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
  • condition: New other see details
for models: 425, for makes: buick, for years: 1957-1961-63, part type: thermostat, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > air fuel delivery > carburetor parts, sku: 2564510745330883,

Carter 170-AC-478S Is Similar To:

carbcaddie logo
1 offer $24.49 USD
  • Offer #1: $24.49 price + free delivery = $24.49* total. AFB 4bbl carburetor #3578S. 1962 LeSabre / Invicta / Electra V8 401 c.i.FREE SHIPPING