FILKO 31-90 Carburetor Choke Thermostat Slant Carter Bbd 4027707 225

( Brand: Filko ), ( Part Type: Carburetor Thermostat ), ( Manufacturer Part Number: 31-90 ), ( Ipn: 4027707 )

Review FILKO Carburetor Choke Thermostat Chrysler 225 Slant six Carter Bbd

Introducing the Filko 4027707 31-90 Carburetor Choke Thermostat, specifically designed for Chrysler 225 Slant-Six engines with Carter BBD carburetors. This thermostat plays a crucial role in ensuring optimal engine performance and cold starting.

The Filko 4027707 is an essential component in your vehicle's heating system. It regulates the temperature of the engine coolant by controlling the flow between the engine and the heater core. When the engine is cold, the thermostat allows the coolant to bypass the heater core, directing it to the engine block to help warm it up quickly. Once the engine reaches operating temperature, the thermostat opens fully, allowing the coolant to circulate through the heater core, providing warmth to the vehicle's interior.

This carburetor choke thermostat comes with a built-in choke function. When the engine is started in cold conditions, the choke function allows more fuel to be delivered to the engine, which helps to richly fuel the engine and improve cold starting. This feature is particularly beneficial for older Chrysler vehicles with carbureted engines, like the 225 Slant-Six.

The Filko 4027707 31-90 Carburetor Choke Thermostat is made of high-quality materials, ensuring durability and reliability. It has a brass body with a stainless steel spring, which offers excellent resistance to corrosion and wear. This thermostat is also designed with a precise temperature rating of 122 F (50 C), ensuring optimal engine performance in various weather conditions.

Installing the Filko 4027707 31-90 Carburetor Choke Thermostat is a straightforward process. It is compatible with Chrysler 225 Slant-Six engines with Carter BBD carburetors. You can replace your old thermostat with this new one by following the steps in your vehicle's service manual. If you're not confident in doing it yourself, consider taking your vehicle to a professional mechanic for installation.

The Filko 4027707 31-90 Carburetor Choke Thermostat is an essential upgrade for any Chrysler 225 Slant-Six owner looking to improve their vehicle's cold starting performance and engine temperature regulation. With its high-quality materials, precise temperature rating, and built-in choke function, this thermostat is an excellent investment for your cherished classic car.

The Filko 4027707 31-90 Carburetor Choke Thermostat is a crucial component for regulating the temperature of the choke mixture in a Chrysler 225 Slant-Six engine with Carter BBD carburetors. Here are some pros and cons based on customer reviews and technical specifications.

1. Effective temperature control: The thermostat ensures the choke mixture is maintained at the optimal temperature for easier starting, particularly in cold weather conditions.

2. High-quality construction: Made from brass and featuring a durable design, this thermostat can withstand the rigors of regular use in a high-performance automotive application.

3. Improved starting performance: By maintaining the correct temperature, the carburetor choke thermostat helps ensure the engine starts more easily and consistently.

4. OEM fitment: This thermostat is designed specifically for use with Chrysler 225 Slant-Six engines and Carter BBD carburetors, providing a perfect fit and eliminating the need for modifications.

1. Slightly more expensive than some aftermarket alternatives: The Filko carburetor choke thermostat may cost a bit more than some other options on the market.

2. Requires careful installation: Proper installation is crucial to ensure the thermostat functions correctly and efficiently. Improper installation could potentially lead to starting issues or other complications.

In conclusion, the Filko 4027707 31-90 Carburetor Choke Thermostat is a high-quality, effective solution for regulating the temperature of the choke mixture in Chrysler 225 Slant-Six engines with Carter BBD carburetors. While it may cost a bit more than some alternatives, its durability, ease of installation, and improved starting performance make it a worthwhile investment for those seeking optimal engine performance.

Recommendation: If you are looking for a reliable and effective carburetor choke thermostat for your Chrysler 225 Slant-Six engine with Carter BBD carburetors, the Filko 4027707 31-90 is a strong recommendation. Its high-quality construction, OEM fitment, and proven performance make it an excellent choice for those seeking to improve their engine's starting capabilities and overall performance.

specifications carbcaddie:

• for makes: Chrysler
• brand: Filko
• part type: Carburetor Thermostat
• manufacturer part number: 31-90
• interchange part number: 4027707

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: New other see details

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• # reviews: 283968
• rating: 99.8%

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returns carbcaddie:

• policy: Returns Accepted
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• service: USPS Ground Advantage
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• cost: $0.00
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offer carbcaddie:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: April 30, 2026
• availability: In Stock

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