ECHO Genuine Echo A021004331 Carburetor WTA-35 vs SIMPERAC Carburetor for Echo PB-265L PB-265LN
Updated August 2026 — ECHO Genuine Echo A021004331 Carburetor WTA-35 leads on brand trust and customer reviews.
The ECHO carburetor offers superior reliability and performance, while the SIMPERAC provides excellent value and compatibility for multiple models.
Why ECHO Genuine Echo A021004331 Carburetor WTA-35 is better
Brand Trust
ECHO is a recognized brand known for quality.
OEM Part
ECHO is an OEM replacement part ensuring precise fit.
Performance
Designed for optimal performance with PB-580T.
Why SIMPERAC Carburetor for Echo PB-265L PB-265LN is better
Price
SIMPERAC is significantly cheaper.
Accessories
Includes multiple additional parts.
Compatibility
Fits a wider range of Echo models.
Overall score
Specifications
| Spec | ECHO Genuine Echo A021004331 Carburetor WTA-35 | SIMPERAC Carburetor for Echo PB-265L PB-265LN |
|---|---|---|
| Model | A021004331 | RB-K90 |
| Fit Models | PB-580T | PB-265L, PB-265LN, PB-255, PB-255LN, PB-251 |
| Included Parts | 1 Carburetor | 1 Carburetor, 2 Primer Bulbs, 2 Gaskets, 1 Air Filter, 1 Spark Plug, 1 Grommet, 1 Fuel Line Kit |
| OEM | Yes | No |
| Installation | Easy | Moderate |
Dimension comparison
Overview of the Products
In this comparison, we pit the ECHO Genuine Echo A021004331 Carburetor WTA-35 against the SIMPERAC Carburetor for Echo PB-265L and other compatible models. The ECHO carburetor retails for $50.94, while the SIMPERAC model is priced at a much lower $14.98, making it about 70% cheaper. Given the significant price difference, it's essential to assess the features and compatibility of both carburetors to determine which one better suits your needs.
Brand Reputation and Trustworthiness
Brand reputation plays a crucial role in product selection, especially for replacement parts like carburetors. ECHO is a recognized name in outdoor power equipment, known for producing high-quality products. The Genuine Echo A021004331 Carburetor WTA-35 is an OEM replacement part, indicating it is designed to meet the exact specifications of the original equipment. In contrast, SIMPERAC is less established but offers a range of affordable alternatives. While ECHO holds a sales rank of 42,009, SIMPERAC has a better sales rank of 36,316, suggesting it is gaining traction among consumers.
Compatibility with Leaf Blowers
When selecting a carburetor, compatibility is vital. The ECHO carburetor is specifically designed to fit the PB-580T Backpack Blower and is compatible with certain serial numbers, ensuring a proper fit for users of that model. On the other hand, the SIMPERAC carburetor boasts compatibility with multiple models, including PB-265L, PB-265LN, PB-255, PB-255LN, and PB-251, among others. This broader compatibility may appeal to users with different Echo models, making the SIMPERAC a versatile choice for those who own multiple leaf blowers.
Features and Accessories Included
In terms of added value, the SIMPERAC carburetor comes with several accessories that enhance its appeal. Along with the carburetor, it includes two primer bulbs, two gaskets, an air filter, a spark plug, a grommet, and a fuel line kit. These additional parts can save users money and time if they need replacements for their leaf blowers. Meanwhile, the ECHO carburetor is packaged as a standalone part without any extras. This difference may sway budget-conscious consumers towards the SIMPERAC option due to the overall value provided.
Performance Expectations
Performance is crucial when it comes to carburetors, as they directly affect the engine's efficiency and functionality. The ECHO Genuine Echo A021004331 is an OEM part designed to maintain peak performance for the PB-580T Backpack Blower. It is built to the original specifications, ensuring reliability and effectiveness. The SIMPERAC carburetor, while also designed for performance, is a third-party product. Although it may work well for various models, its performance may not match the precision and quality of an OEM part. Thus, consumers may prioritize the ECHO option for reliability.
Installation and Ease of Use
Ease of installation can greatly influence a buyer's decision. The ECHO carburetor comes with clear instructions and is tailored for specific models, which may simplify the installation process for those familiar with their equipment. The SIMPERAC carburetor, while compatible with several models, may require additional adjustments or modifications, depending on the specific leaf blower it is being used with. This potential for complexity might deter some users who prefer a straightforward replacement process.
Price Comparison and Value for Money
The price difference between these two carburetors is substantial. The ECHO carburetor is priced at $50.94, whereas the SIMPERAC option is significantly cheaper at $14.98. This represents a cost difference of about $35.96, making the SIMPERAC approximately 70% less expensive. For consumers looking for budget-friendly options, the SIMPERAC carburetor offers excellent value for money, especially considering the additional accessories included in the package.
Which should you buy?
Deciding between the ECHO Genuine Echo A021004331 Carburetor WTA-35 and the SIMPERAC Carburetor for Echo models ultimately hinges on your specific needs. If you own a PB-580T Backpack Blower and prioritize reliability and performance, the ECHO carburetor is a trustworthy choice, although it comes at a higher price. Conversely, if you have multiple Echo models or are looking for a more economical solution with added accessories, the SIMPERAC carburetor provides excellent compatibility and value for a fraction of the price.

