Ferilter BP42 Carburetor for Ryobi BP42 Backpack vs SIMPERAC C1M-K77 Carburetor for Echo PB-403T
Updated August 2026 — Ferilter BP42 Carburetor for Ryobi BP42 Backpack leads on installation and features.
The Ferilter BP42 offers better value and additional accessories, making it the preferred choice for Ryobi users.
Why Ferilter BP42 Carburetor for Ryobi BP42 Backpack is better
Price
Ferilter BP42 is $2.00 cheaper
Accessories
Includes extra fuel line connector and adjusting tool
Sales Rank
Higher sales rank indicates better popularity
Why SIMPERAC C1M-K77 Carburetor for Echo PB-403T is better
Compatibility
Designed for a wider range of Echo models
Brand Trust
SIMPERAC is trusted among Echo users
Performance
Focuses on effective fuel mixing and combustion
Overall score
Specifications
| Spec | Ferilter BP42 Carburetor for Ryobi BP42 Backpack | SIMPERAC C1M-K77 Carburetor for Echo PB-403T |
|---|---|---|
| Brand | Ferilter | SIMPERAC |
| Model | BP42 | C1M-K77 |
| Compatibility | Ryobi BP42 | Echo PB-403 |
| Included Parts | Comprehensive kit | Complete kit |
| Performance | Optimized for Ryobi | Effective for Echo |
Dimension comparison
Overview of the Ferilter BP42 and SIMPERAC C1M-K77 Carburetors
The Ferilter BP42 is priced at $16.99, while the SIMPERAC C1M-K77 is available for $18.99, making the Ferilter about 5.25% cheaper. Both carburetors serve as suitable replacements for specific models of backpack blowers, targeting different brands. The Ferilter BP42 is designed for Ryobi's BP42 models, while the SIMPERAC C1M-K77 caters to Echo's PB-403 series. This comparison will delve into the features, compatibility, and performance aspects of these two products to help you decide which one better suits your needs.
Compatibility with Backpack Blowers
The Ferilter BP42 is explicitly tailored for Ryobi backpack blowers, including models such as RY08420 and RY42WB. It replaces part numbers 308054093 and 308054079, ensuring seamless integration with the designated Ryobi units. On the other hand, the SIMPERAC C1M-K77 is compatible with a range of Echo backpack blowers, including PB-403T and PB-413H. It replaces various part numbers, such as ZAMA C1M-K77, providing versatility for users with different Echo models. This distinction in compatibility is crucial for users looking to maintain their specific equipment effectively.
Included Accessories
The Ferilter BP42 comes with a comprehensive tune-up kit that includes one carburetor, two gaskets, two fuel filters, one spark plug, two fuel lines, one air filter, one primer bulb, two fuel line connectors, and one adjusting tool. This extensive set offers everything needed for a complete replacement and maintenance. In comparison, the SIMPERAC C1M-K77 also includes a complete set of components: one carburetor, two primer bulbs, two gaskets, two fuel filters, two fuel lines, one air filter, one spark plug, and a grommet. Both products provide a generous array of accessories, but the Ferilter's offering includes an extra fuel line connector and adjusting tool, which could be beneficial for users.
Performance and Functionality
The Ferilter BP42 is designed to optimize the performance of Ryobi blowers, ensuring efficient fuel delivery and better engine performance. The inclusion of an air filter kit in its package suggests an emphasis on ensuring cleaner air intake, which can enhance engine longevity. Similarly, the SIMPERAC C1M-K77 aims to deliver high performance for Echo models, with its design focusing on effective fuel mixing and combustion. While both products promise improved functionality, the choice may depend on the specific requirements of your blower.
Sales Rank and Popularity
As of now, the Ferilter BP42 holds a sales rank of 28,097, indicating a solid presence in the market. In contrast, the SIMPERAC C1M-K77 has a higher sales rank of 39,321, suggesting it may be less popular or less frequently purchased. This could be a consideration for buyers who value well-reviewed or highly sought-after products. The Ferilter's higher ranking may suggest better customer satisfaction or performance, although both products still serve their intended purposes.
Price Comparison
The Ferilter BP42 is priced at $16.99, while the SIMPERAC C1M-K77 is listed at $18.99. This $2.00 difference indicates that the Ferilter is around 5.25% less expensive than the SIMPERAC. For budget-conscious consumers or those looking to maintain their equipment without overspending, the Ferilter may be the more appealing option. However, price should not be the only deciding factor, as compatibility and performance also play significant roles in choosing the right carburetor.
Brand Reputation and Trust
Ferilter and SIMPERAC are both brands known for producing quality replacement parts for various outdoor equipment. While specific brand reputations can vary based on user experiences and reviews, both companies offer products that cater to their respective markets. Customers may find that Ferilter, with its slightly higher sales rank, has a more established reputation in the Ryobi community. However, those with Echo blowers may lean toward SIMPERAC for their specific needs. Ultimately, brand trust can influence buying decisions, especially when it comes to maintenance and repairs.
Which should you buy?
Choosing between the Ferilter BP42 and the SIMPERAC C1M-K77 ultimately hinges on the specific requirements of your backpack blower. If you own a Ryobi model, the Ferilter BP42 offers a slightly lower price, additional accessories, and a better sales rank, making it a solid choice. Conversely, if your equipment is from Echo, the SIMPERAC C1M-K77 is tailored for your needs, although it comes at a higher cost. Assessing compatibility, included components, and personal budget will guide you to the most suitable carburetor for your blower.

