1. USED Car/Truck Carburetors Items
  2. sku: 10340640366319771
  3. CARTER H3940

CARTER H3940 Wdo Carburetor Carb WD0 2-BARREL

fits model: Hudson. year: 1939–1940.

H3940 Carter Wd0 Wdo 2-barrel Carburetor Carb 1939 1940 Hudson

( Brand: Carter ), ( Manufacturer Part Number: H3940 ), ( Type: Carburetor ), ( Country Of Origin: United States )

Review CARTER Wd0 Wdo 2-barrel Carburetor Carb fits HUDSON 1939–1940

The Carter WD0 WDO 2-barrel carburetor, model H3940, is a vintage automotive component that was originally used in Hudson vehicles from the years 1939 and 1940. This carburetor is a crucial part of the engine's fuel delivery system, supplying the necessary air-fuel mixture for a smooth and efficient combustion process.

The H3940 carburetor is a 2-barrel design, meaning it has two separate fuel barrels, each with its own throttle butterfly valve. This configuration allows for improved engine performance by providing more fuel and air to the engine under various driving conditions.

Each barrel of the H3940 carburetor is equipped with a float bowl that holds the fuel needed for the engine. The float level in these bowls can be adjusted to fine-tune the fuel mixture, ensuring optimal engine performance. The carburetor also features a primary and secondary metering rod, which controls the fuel flow to each barrel based on the engine's RPM and throttle position.

The body of the H3940 carburetor is made of cast aluminum, providing both strength and durability. The top of the carburetor is covered by a chrome-plated air cleaner housing, which protects the carburetor from dirt and debris while adding a touch of classic style to the engine bay.

The H3940 carburetor is equipped with various adjustment points to allow for fine-tuning of the engine's performance. These adjustments include the idle mixture screws, main jet needle, and power valve adjustment screws. Properly adjusting these components can help ensure the engine runs smoothly, efficiently, and meets emission requirements.

The H3940 carburetor also features a unique design that allows for easy removal of the carburetor from the engine for maintenance or repair. The carburetor is secured to the engine with just a few bolts, making it a straightforward process to access and work on the carburetor.

Overall, the Carter WD0 WDO 2-barrel carburetor, model H3940, is a valuable and intriguing piece of automotive history. Its classic design and ability to deliver improved engine performance make it a sought-after component among collectors and restorers of vintage vehicles. Whether you're an enthusiast or a professional mechanic, this carburetor is sure to bring a touch of nostalgia and excitement to any project.

The Carter WD0 WD2-barrel carburetor, model number H3940, was used in 1939 and 1940 Hudson automobiles. This carburetor is known for its two-barrel design, which was an upgrade from the single-barrel carbs of the time. Here are some pros and cons related to buying this specific Carter carburetor:

Pros:

1. Improved Performance: The two-barrel design allows for increased air and fuel mixture, resulting in better engine performance and improved power output.

2. Smooth Idle: This carburetor is known for providing a smooth idle, which can contribute to a better driving experience.

3. Vintage Appeal: For collectors and enthusiasts, owning and restoring a vintage car like a 1939 or 1940 Hudson is a significant investment. Having an original Carter H3940 WD0 WD2-barrel carburetor can add authenticity and value to the vehicle.

Cons:

1. Availability and Cost: Original parts can be challenging to find and expensive. Obtaining a Carter H3940 WD0 WD2-barrel carburetor may require extensive searching and potentially higher costs compared to modern alternatives.

2. Complexity: Carburetors, in general, can be complex, and older models like the H3940 WD0 WD2-barrel carburetor may require more expertise and time to diagnose and repair any issues.

3. Potential Vulnerabilities: Older carburetors might have vulnerabilities like the tendency to leak or develop internal issues, which could lead to additional costs for maintenance and repair.

Conclusion:

The Carter H3940 WD0 WD2-barrel carburetor offers improved performance and vintage appeal for collectors and enthusiasts of 1939 and 1940 Hudson automobiles. However, it comes with challenges such as availability, cost, complexity, and potential vulnerabilities.

Recommendation: For those looking to buy a Carter H3940 WD0 WD2-barrel carburetor, it is recommended to:

1. Thoroughly research the market to find reputable sellers and the best possible price.

2. Consider purchasing a rebuilt or remanufactured carburetor, which offers a balance between cost, availability, and reliability.

3. Have a strong understanding of carburetor maintenance and repair, or consider working with a professional mechanic or shop specializing in vintage cars.

Details:

Carter WD-0 2-barrel carburetor, no ID tag. Linkage is froze tight from sitting. Please verify pics match your application. See pics for condition.

Core for rebuilding or parts. Carb is dinged/nicked up from handling.

part #: h3940 price

  • $45.00

specifications carbcoon:

  • for models: Hudson
  • for years: 1939-1940
  • brand: Carter
  • mpn: H3940
  • type: Carburetor
  • country of origin: United States

returns carbcoon:

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

payments carbcoon:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club

shipping carbcoon:

  • type: Calculated
  • carrier: USPS
  • service: USPS Ground Advantage
  • transit: 3-7 Days
  • class: Standard
  • cost: $0.00

offer carbcoon:

  • availability: In Stock
  • best offers: True
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: March 2, 2026

seller carbcoon:

  • rating: 100.0%
  • city: Sheboygan Falls, Wisconsin
  • # reviews: 33444

general carbcoon:

  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
  • condition: For parts or not working
for models: hudson, for years: 1939-1940, type: carburetor, country of origin: united states,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 10340640366319771,

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1 offer $45.00 USD
  • Offer #1: $45.00 price + $0.00 shipping estimate = $45.00* total. Core for rebuilding or parts. Linkage is froze tight from sitting.FREE SHIPPING

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