CARTER 6641S Nos Motorcraft Carburetor Engine C1-YF

( Brand: Carter ), ( Manufacturer Part Number: 6641S ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Country Of Manufacture: United States ), ( Vintage Part: Yes )

Review CARTER Nos Motorcraft Carburetor Ford Truck Engine fits 300 1971–1983

The Carter 6641S NOs Motorcraft C1-YF carburetor is a classic component for Ford 300 engine models manufactured between 1971 and 1983. This carburetor is a single-barrel, downdraft design, which means it draws in air from the bottom and delivers a fuel-air mixture to the engine's intake manifold through a single barrel.

This particular Carter carburetor is identified by its part number, C1-YF, indicating its compatibility with specific Ford engines. The 6641S designation refers to the specific model and version of the carburetor.

The Carter 6641S NOs Motorcraft C1-YF carburetor features several unique characteristics that make it a popular choice for Ford enthusiasts. One of its most notable features is its emissions control system, which includes a secondary air injection system. This system helps to reduce harmful emissions by injecting clean air into the carburetor's venturi during idle and low-throttle conditions.

The carburetor comes with several essential components, including a primary float bowl, a secondary float bowl, a main jet, a power jet, a needle and seat assembly, and various gaskets and hardware. These components are designed to work together to deliver the optimal fuel-air mixture to the engine, ensuring smooth and efficient performance.

The Carter 6641S NOs Motorcraft C1-YF carburetor is also known for its durability and ease of tuning. It features a cast aluminum body, which is strong and resilient, as well as easy-to-adjust components such as the needle and seat assembly, which can be tuned to optimize engine performance.

In summary, the Carter 6641S NOs Motorcraft C1-YF carburetor is a high-quality, durable, and versatile component for Ford 300 engines manufactured between 1971 and 1983. Its downdraft design, emissions control system, and ease of tuning make it a popular choice among Ford enthusiasts looking to restore or upgrade their classic vehicles.

Buying the Carter 6641S NOS Motorcraft C1-YF carburetor for a 1971-1983 Ford 300 engine comes with several pros and cons that every buyer should consider before making a decision.

1. Authenticity: Buying a new old stock (NOS) carburetor ensures that you're getting an original, factory-new part for your classic Ford engine.

2. Performance: The Motorcraft C1-YF carburetor is known for its excellent fuel-air mixture, which can lead to improved engine performance and power.

3. Reliability: A new carburetor can help increase the overall reliability of your classic Ford engine, especially if the current carburetor is worn out or malfunctioning.

4. Availability: The Carter 6641S NOS Motorcraft C1-YF carburetor is relatively easy to find and purchase from various online stores and automotive parts retailers.

1. Cost: NOS parts can be more expensive than their used counterparts due to their scarcity and authenticity.

2. Installation: Installing a new carburetor can be a complex and time-consuming process, especially for those without prior experience.

3. Adjustment: The carburetor may require some fine-tuning and adjustment to get the engine running optimally.

4. Compatibility: Although the Carter 6641S NOS Motorcraft C1-YF carburetor is designed for Ford 300 engines, it's essential to ensure that it's compatible with your specific engine model and year.

The Carter 6641S NOS Motorcraft C1-YF carburetor is an excellent investment for classic Ford 300 engine owners looking for improved performance, reliability, and authenticity. However, it's essential to consider the higher cost, potential installation challenges, and the need for adjustment before making a purchase. Ultimately, if you have the time, resources, and desire for a high-quality, original carburetor, then the Carter 6641S NOS Motorcraft C1-YF carburetor is an excellent choice.

Before purchasing the Carter 6641S NOS Motorcraft C1-YF carburetor, ensure that you've thoroughly researched its compatibility with your specific Ford 300 engine model and year. Additionally, consider seeking professional installation and adjustment services to ensure optimal performance and minimize potential complications. Finally, be prepared for the higher cost associated with buying a new old stock part and factor it into your budget.

Details:

Fairly sure this is never used new old stock. Shipped Priority Mail. Overall a very nice original Motorcraft Carter carburetor. Very nice as found Stock Motorcraft Carter 6641S.

Inside barrel looks as clean outside. Was found in original box that was very poor condition,weathered and chewed up by rodents. Inside box and packing carburetor is very clean with no signers of use.

part #: 6641s prices

• $109.77-$135.00

specifications carbcoon:

• for models: 300
• for makes: Ford
• for years: 1971-1983
• brand: Carter
• mpn: 6641s
• choke type: Mechanical
• type: Carburetor
• country of manufacture: United States
• vintage part: Yes

payments carbcoon:

• wallet: Google-pay
• credit card: Discover
• other
• cash

general carbcoon:

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

returns carbcoon:

• policy: No Returns

seller carbcoon:

• city: Mokena, Illinois
• # reviews: 2242
• rating: 99.5%

shipping carbcoon:

• service: USPS Priority Mail
• type: Fixed
• carrier: USPS
• class: Expedited
• transit: 4-9 Days
• cost: $22.00

offer carbcoon:

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

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