CARTER 421121 Keihin Carburetor Float 1.2L 21-346

( Brand: Carter ), ( Part Type: Carburetor ), ( Manufacturer Part Number: 421121 ), ( Item Length: 9.000 )

Review CARTER Honda 1.2l Keihin Carburetor Float fits CIVIC 1976-78

Carter YF Series Float (Carter 421121) for Honda Civic 1.2L Keihin Carburetor

The Carter YF Series Float (Carter 421121) is an essential component designed specifically for the Honda Civic 1.2L engines equipped with Keihin carburetors. This float is engineered to ensure optimal fuel delivery and consistency, enhancing the overall performance of your vehicle.

This float, featuring part number 21-346, is meticulously manufactured to meet the highest standards of precision and durability. It's made of top-quality materials that can withstand the rigors of daily use and the demands of a high-performance engine. Its design is based on the original equipment manufacturer (OEM) specifications, ensuring a perfect fit and seamless integration with your existing carburetor system.

The float plays a crucial role in maintaining the correct fuel level within the carburetor's float bowls. By providing a consistent fuel level, it ensures proper carburetor function and stable engine idling. This can lead to improved fuel economy, smoother acceleration, and better overall engine performance.

Installing the Carter 421121 float is a straightforward process and does not require any specialized tools or extensive mechanical knowledge. Simply remove the old float and replace it with the new one, following the instructions in your vehicle's service manual.

When it comes to maintaining the health and longevity of your Honda Civic's engine, every detail matters. The Carter YF Series Float (Carter 421121) is an investment in your vehicle's performance and reliability. By ensuring that your carburetor is functioning at its best, you'll enjoy a more responsive, efficient, and enjoyable driving experience.

In summary, the Carter YF Series Float (Carter 421121) for Honda Civic 1.2L Keihin Carburetor is a high-quality, precision-engineered component designed to optimize fuel delivery and enhance engine performance. It's an essential upgrade for any Honda Civic owner seeking to maximize the potential of their vehicle.

Pros and Cons of Buying a Carter YF-21-346 Float for a Honda Civic 1.2L Keihin Carburetor (Model 421121, 1976-1978)

The Carter YF-21-346 float is a crucial component for the Keihin carburetor found in certain Honda Civic models between 1976 and 1978. This float can wear out or malfunction, necessitating replacement. In this analysis, we will examine the pros and cons of purchasing this float to help potential buyers make an informed decision.

1. OEM Availability: The Carter YF-21-346 float is an original equipment manufacturer (OEM) part. This means it is specifically designed and manufactured for the Honda Civic's Keihin carburetor, ensuring proper fit and function.

2. Durability: Carter floats are known for their robust construction, which can help prevent future failures and minimize the need for frequent replacements.

3. Improved Performance: A new float can lead to improved engine performance by maintaining the correct fuel level in the carburetor bowl, ensuring a consistent fuel supply to the engine.

4. Availability: The Carter YF-21-346 float is widely available from various automotive parts retailers, both online and in-store.

1. Cost: Original equipment manufacturer (OEM) parts, like the Carter YF-21-346 float, can be more expensive compared to aftermarket alternatives.

2. Longer Shipping Time: Since the part is an OEM component, it may take longer to arrive compared to aftermarket floats, which are often stocked by local parts stores or available for immediate shipping from online retailers.

3. Limited Compatibility: The Carter YF-21-346 float is specifically designed for the Honda Civic's Keihin carburetor (Model 421121) from 1976 to 1978. It may not be compatible with other carburetor models or Honda vehicles.

The Carter YF-21-346 float is an OEM part designed for the Honda Civic's Keihin carburetor, offering durability and improved performance. However, it comes with a higher cost and longer shipping times compared to aftermarket alternatives. Ultimately, the decision to purchase an OEM float, like the Carter YF-21-346, depends on the buyer's priorities, budget, and the urgency of the replacement. If performance and originality are top priorities, the OEM float may be the best choice. However, if cost and convenience are more important, an aftermarket alternative may be a more suitable option.

If you are in need of a float for your Honda Civic's Keihin carburetor (Model 421121) from 1976 to 1978 and prioritize originality and performance, the Carter YF-21-346 float is a recommended option. However, if you are budget-conscious or looking for a quicker shipping solution, you may consider exploring aftermarket alternatives. It is essential to ensure the aftermarket float is compatible with your specific carburetor model before making a purchase.

part # 421121 price

• $29.95

specifications carbcaddie:

• for models: Civic
• for makes: Honda
• for years: 1976-78
• brand: Carter
• part type: Carburetor
• manufacturer part number: 421121
• item length: 9.000

offer carbcaddie:

• availability: In Stock
• started: May 15, 2026
• options: Ship-to-home
• quantity: 2
• sold: 0

general carbcaddie:

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

returns carbcaddie:

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

payments carbcaddie:

• credit card: Visa
• other
• wallet: Apple-pay

seller carbcaddie:

• # reviews: 353566
• rating: 99.8%

shipping carbcaddie:

• class: Economy, Expedited
• service: FedEx Ground Economy, UPS 2nd Day Air
• type: Fixed
• transit: 4-8 Days
• carrier: FedEx, UPS
• cost: $0.00

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