Butom BG55 Carburetor for Stihl BG 55 BG85 BG 85 vs Ferilter BP42 Carburetor for Ryobi BP42 Backpack
Updated August 2026 — Butom BG55 Carburetor for Stihl BG 55 BG85 BG 85 leads on brand trust and ease of install.
The Butom BG55 Carburetor offers better performance and value for Stihl users, while the Ferilter BP42 is tailored for Ryobi models but lacks some performance validation.
Why Butom BG55 Carburetor for Stihl BG 55 BG85 BG 85 is better
Price
Butom is $2 cheaper than Ferilter
Performance
Butom is wet flow tested for reliability
Material Quality
Butom uses premium materials like brass and aluminum
Why Ferilter BP42 Carburetor for Ryobi BP42 Backpack is better
Compatibility
Ferilter is specifically designed for Ryobi BP42 models
Included Components
Ferilter includes an adjusting tool for installation
Brand Specificity
Ferilter targets Ryobi users directly
Overall score
Specifications
| Spec | Butom BG55 Carburetor for Stihl BG 55 BG85 BG 85 | Ferilter BP42 Carburetor for Ryobi BP42 Backpack |
|---|---|---|
| Brand | Butom | Ferilter |
| Model | BG55 | BP42 |
| Included Kit | Yes | Yes |
| Tested | Yes | No |
| Material Quality | High | Medium |
Dimension comparison
Overview of Butom BG55 Carburetor
The Butom BG55 Carburetor for Stihl BG 55 and other compatible models is priced at $14.99. It is designed to replace several part numbers, including the Stihl 42291200606 and Zama C1Q-S68G. This carburetor comes as part of an all-in-one kit, which includes essential components for maintenance. With a sales rank of 16,575, it has proven to be a popular choice among users.
This carburetor is engineered for durability and reliability, featuring brass components and composite rubber diaphragms. The product arrives factory-tuned, ensuring easy installation. Its design aims to enhance performance and efficiency for various Stihl leaf blower models, making it a practical option for those looking to maintain their equipment.
Overview of Ferilter BP42 Carburetor
The Ferilter BP42 Carburetor for Ryobi BP42 Backpack Blower is priced at $16.99, making it about 13% more expensive than the Butom option. This carburetor is compatible with several Ryobi models, including the RY08420 and RY08420A. With a sales rank of 28,097, it has garnered a fair amount of attention but does not have the same level of popularity as the Butom carburetor.
Included in the package are multiple components such as gaskets, fuel filters, and a spark plug, making it a comprehensive kit for maintenance. The Ferilter carburetor is designed to replace specific part numbers, ensuring that it fits seamlessly into your Ryobi equipment. Its features focus on enhancing the performance and longevity of Ryobi leaf blowers.
Compatibility and Fit
When it comes to compatibility, the Butom BG55 Carburetor is specifically designed for a range of Stihl products, including BG 55, BG 85, and SH 55 leaf blowers. It can replace several part numbers, but it is crucial to note that it does not replace certain models like the C1Q-S55 or C1Q-S50. This focus on specific models can make it a reliable choice for users with compatible equipment.
On the other hand, the Ferilter BP42 Carburetor is tailored for Ryobi's BP42 series, including the RY08420 and RY42BPE models. It replaces part numbers 308054079 and 308054093, ensuring that users can easily find a suitable replacement for their Ryobi blowers. This targeted compatibility makes both options effective, but the choice will ultimately depend on the specific brand and model of your leaf blower.
Installation and Ease of Use
The Butom BG55 Carburetor is designed for easy installation, arriving factory-tuned to save users time and effort. This feature is particularly advantageous for those who may not be experienced in carburetor installation. The included all-in-one kit means that users have everything they need to perform a complete maintenance check in one package.
Conversely, the Ferilter BP42 Carburetor also offers a user-friendly installation process, with an included adjusting tool to assist in setup. The package consists of multiple components, which can be beneficial for users looking to perform a thorough tune-up on their Ryobi backpack blower. Both products aim to simplify the maintenance process, but the Butom's factory-tuned readiness could appeal more to novices.
Material Quality and Durability
Material quality is a significant factor for both carburetors. The Butom BG55 Carburetor is constructed from premium materials, including brass components and an anodized aluminum body, which contribute to its durability and resistance to wear and corrosion. This can be particularly important for users operating in diverse weather conditions.
In contrast, the Ferilter BP42 Carburetor is also made with quality materials but does not specify the types used. While it comes with a comprehensive maintenance kit, the focus on material quality in the Butom product may provide an edge in long-term durability. Users looking for longevity might prefer the Butom option based on its material claims.
Performance and Reliability
In terms of performance, the Butom BG55 Carburetor is wet flow tested to ensure that it mimics real-world performance accurately. This testing is crucial for users who depend on their equipment for effective leaf blowing and maintenance tasks. With its focus on trustworthy engine operation, the Butom carburetor aims to deliver consistent results.
The Ferilter BP42 Carburetor is designed to enhance the performance of Ryobi blowers but lacks specific performance validation details in its description. While it does incorporate essential components for maintenance, the absence of performance testing claims may make users cautious. The Butom carburetor’s verified testing can be a deciding factor for those prioritizing performance reliability.
Price Comparison
The Butom BG55 Carburetor is available for $14.99, while the Ferilter BP42 Carburetor costs $16.99. This means that the Butom option is about 12% cheaper than its competitor. For budget-conscious consumers, this price difference may be significant, especially when considering the additional components included in the Butom's all-in-one kit.
While both carburetors come with their respective maintenance kits, the lower price of the Butom may appeal more to users looking for cost-effective solutions without sacrificing quality. The choice may ultimately come down to brand preference, but the price advantage of the Butom could sway many buyers.
Which should you buy?
Choosing between the Butom BG55 Carburetor and the Ferilter BP42 Carburetor depends on your specific needs and equipment compatibility. If you own a Stihl blower and seek a reliable, well-tested product at a lower price, the Butom carburetor is an excellent choice. With its focus on performance, ease of installation, and durable materials, it stands out as a strong contender.
Conversely, if you have a Ryobi BP42 model and prefer a product designed specifically for that line, the Ferilter option may suit your needs. However, keep in mind that it is priced higher and does not provide the same level of performance testing claims as the Butom. Ultimately, your decision should be guided by the brand of your equipment and the importance of performance and cost in your purchase.

