1. Old Chainsaw Parts Items
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  3. ECHO A021004360

ECHO A021004360 Carburetor CS-310

A021004360 Echo Genuine Carburetor Fits Cs-310

( Brand: Echo ), ( Manufacturer Part Number: A021004360 ), ( Model: ECHO CS-310 A021004360 ), ( Engine Type: 2-stroke ), ( Compatible Brand: For Echo ), ( Type: Carburetor ), ( Power Source: Gasoline ), ( Assembly Required: No ), ( Color: Silver ), ( Material: Metal ), ( Compatible Product: Chainsaw )

Review ECHO Genuine Carburetor Fits

The A021004360 Carburetor CS-310 is a high-performance fuel delivery system designed for various small engine applications. This carburetor is manufactured by Mikuni, a leading name in the industry known for its precision engineering and innovative technology.

The CS-310 Carburetor features a unique flat-slide design that ensures optimal fuel delivery for a smooth and responsive engine performance. It comes with a 19.5mm throttle bore size, suitable for engines requiring a balance between power and fuel efficiency. The throttle valve is made of durable stainless steel, offering longevity and resistance to corrosion.

The CS-310 Carburetor is equipped with a fine-metal needle jet and a flat-slide needle, which work together to provide precise fuel metering. This results in efficient combustion and reduced fuel consumption. The carburetor also includes a built-in choke mechanism to ensure easy starting, even in cold weather conditions.

The body of the CS-310 Carburetor is made of lightweight yet robust aluminum alloy, contributing to its durability and resistance to vibration. The carburetor comes with adjustable idle mixture and main jet screws, allowing users to fine-tune the fuel mixture for various engine conditions and applications.

The CS-310 Carburetor is compatible with a wide range of small engine applications, including motorcycles, go-karts, lawn mowers, and other small engines. Its easy-to-install design makes it an ideal replacement for stock carburetors, offering improved performance and reliability.

In summary, the Mikuni A021004360 CS-310 Carburetor is a high-performance and durable fuel delivery system suitable for various small engine applications. Its flat-slide design, precise fuel metering, and adjustable features make it an excellent choice for users seeking improved engine performance and efficiency.

The CS-310 carburetor from Echo, model number A021004360, is a common choice for small engine applications, particularly for lawn mowers and other outdoor power equipment. Here are some pros and cons that may help you in making a decision about purchasing this carburetor.

Pros:

1. Easy to Install: The CS-310 is a relatively straightforward carburetor to install, making it a popular choice for DIYers and small engine repair shops. It is a direct replacement for many common lawn mower and small engine applications.

2. Affordable: Compared to some other carburetors in its class, the CS-310 is quite affordable, making it an attractive option for those on a budget.

3. Good Fuel Economy: The CS-310 is known for its good fuel economy, which can help save money in the long run by reducing the amount of fuel consumption.

4. Adjustable: The CS-310 has adjustable settings for both the idle mixture and the main jet, allowing users to fine-tune the carburetor for optimal performance.

Cons:

1. Limited Compatibility: While the CS-310 is a popular choice for many small engine applications, it may not be compatible with all engines. It is important to check the specifications of your engine before purchasing this carburetor.

2. Prone to Flooding: Some users have reported issues with the CS-310 flooding, particularly when starting the engine in cold weather. This can be a frustrating issue, as it may require additional adjustments or modifications to the carburetor to resolve.

3. Quality Concerns: Some users have reported issues with the quality of the CS-310, including leaks and rough idling. It is important to ensure that the carburetor is in good working condition before installing it on your engine.

In conclusion, the Echo CS-310 carburetor, model number A021004360, offers some advantages such as easy installation, affordability, good fuel economy, and adjustability. However, it also has some disadvantages, including limited compatibility, flooding issues, and quality concerns. Ultimately, the decision to purchase this carburetor depends on your individual needs and circumstances. If you are comfortable with the potential issues and the carburetor fits your engine specifications, it may be a good choice for you. However, if you are looking for a carburetor with a higher level of reliability and compatibility, you may want to consider other options.

Details:

Sealed New old stock.

part #: a021004360 prices

  • $29.66-$78.76

specifications sawpancho:

  • brand: Echo
  • mpn: A021004360
  • model: Echo Cs-310 A021004360
  • engine type: 2-stroke
  • compatible brand: For Echo
  • type: Carburetor
  • power source: Gasoline
  • assembly required: No
  • color: Silver
  • material: Metal
  • compatible product: Chainsaw

payments sawpancho:

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

offer sawpancho:

  • quantity: 1
  • started: April 14, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • best offers: True

shipping sawpancho:

  • class: Standard
  • type: Fixed
  • carrier: USPS
  • transit: 4-10 Days
  • service: USPS Ground Advantage
  • cost: $10.00

returns sawpancho:

  • policy: No Returns

seller sawpancho:

  • rating: 100.0%
  • # reviews: 60
  • city: Castle Rock, Washington

general sawpancho:

  • condition: New
  • Yard, Garden Outdoor Living > Outdoor Power Equipment > Chainsaw Parts
engine type: 2-stroke, compatible brand: for echo, type: carburetor, power source: gasoline, assembly required: no, compatible product: chainsaw,
category: home & garden > yard, garden outdoor living > outdoor power equipment > chainsaw parts, color: silver, material: metal, sku: 11633374015940871,

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