BlueStars BG56C Carburetor Carb vs Butom BG55 Carburetor for Stihl BG 55 BG85 BG 85
Updated August 2026 — Butom BG55 Carburetor for Stihl BG 55 BG85 BG 85 leads on performance and compatibility.
The Butom BG55 Carburetor offers broader compatibility and convenience, making it the better choice for users with multiple Stihl models.
Why BlueStars BG56C Carburetor Carb is better
Performance
Optimizes air-to-fuel ratio for specific models.
Material
Lightweight aluminum alloy construction.
Price
Consistently lower average price.
Why Butom BG55 Carburetor for Stihl BG 55 BG85 BG 85 is better
Compatibility
Fits a wider range of Stihl models.
Installation
Factory-tuned for immediate use.
Sales Rank
Higher sales rank indicates better popularity.
Overall score
Specifications
| Spec | BlueStars BG56C Carburetor Carb | Butom BG55 Carburetor for Stihl BG 55 BG85 BG 85 |
|---|---|---|
| Brand | BlueStars | Butom |
| Included Parts | Carburetor, air filter, spark plug | Carburetor, air filter, spark plug, gaskets |
| Material Quality | Aluminum alloy | Brass and aluminum |
| Engine Testing | Not specified | Wet flow tested |
| Fitment | Specific models | Multiple models |
Dimension comparison
Overview of the Products
When it comes to replacement carburetors for leaf blowers, the BlueStars BG56C Carburetor and the Butom BG55 Carburetor stand out as two viable options. Both products are priced at $14.99, making them equally accessible for consumers looking to maintain their equipment. However, their compatibility with different Stihl models and their included features can significantly influence your choice.
Compatibility with Stihl Models
The BlueStars BG56C Carburetor is designed to be compatible with the Stihl BG56 and BG56C leaf blowers, replacing specific part numbers including ZAMA C1M-S260B and others. On the other hand, the Butom BG55 Carburetor caters to a broader range of models, including the BG55, BG85, BG65, and several others, with replacements for part numbers like 42291200606 and Zama C1Q-S68G. This makes the Butom carburetor potentially more versatile for users with various Stihl leaf blowers.
Included Components
Both carburetor kits come with essential components that facilitate easy installation and optimal performance. The BlueStars BG56C includes a carburetor, air filter, spark plug, and fuel line, among other items, ensuring you have what you need right out of the box. Meanwhile, the Butom BG55 offers a similar all-in-one kit that includes a carburetor, air filter, fuel line, and spark plugs, plus several gaskets and primer bulbs. While both kits are comprehensive, the Butom’s offerings might provide slightly more value with additional gaskets.
Build Quality and Materials
The BlueStars BG56C Carburetor is crafted from a lightweight aluminum alloy, promising durability and resistance to corrosion. This material choice is common in high-quality carburetors, contributing to effective performance in blending air and fuel. In contrast, the Butom BG55 is made with premium materials, including brass components and anodized aluminum, designed to withstand heat, corrosion, and wear. Both products prioritize quality, but the Butom's use of brass may offer enhanced durability in demanding conditions.
Engine Performance
The BlueStars BG56C is engineered to optimize engine performance by ensuring the right air-to-fuel ratio, which is crucial for efficient combustion in leaf blowers. The Butom BG55 also emphasizes reliable engine operation, having been wet flow tested to mimic real-world performance. While both carburetors claim to enhance engine efficiency, the BlueStars specifically highlights its role in preventing a rich or lean fuel mixture, which could be a deciding factor for those focused on performance.
Ease of Installation
Both the BlueStars BG56C and Butom BG55 are designed for straightforward installation. The BlueStars product emphasizes a perfect fit for specific Stihl models, while the Butom comes factory-tuned, meaning it’s ready to install right out of the box. This feature can save users time and effort, making the Butom a slightly more convenient choice for those who prefer a hassle-free setup.
Sales Rank and Popularity
In terms of market performance, the Butom BG55 holds a better sales rank at 16,575 compared to the BlueStars BG56C, which ranks at 34,793. This suggests that the Butom may be more popular among consumers, potentially due to its broader compatibility with various models and the additional features it offers. A higher sales rank can often indicate greater consumer trust and satisfaction.
Price Comparison
Both carburetors are priced identically at $14.99, making the price a non-factor in the decision-making process. However, when considering price averages over the past 90 days, the BlueStars BG56C has an average price of $14.79, while the Butom BG55 sits at $14.94. This slight discrepancy indicates that the BlueStars may be more consistently priced lower in the long term, though both are still competitively priced.
Which should you buy?
Ultimately, the choice between the BlueStars BG56C Carburetor and the Butom BG55 Carburetor hinges on your specific needs. If you own a Stihl BG56 or BG56C and prefer an option that ensures a precise fit and is focused on optimal engine performance, the BlueStars model is an excellent choice. Conversely, if you have a range of Stihl models and value versatility along with a factory-tuned ease of installation, the Butom BG55 may be the better option for you. Both carburetors are well-equipped to enhance your leaf blower's performance, but their differing compatibilities and features cater to different preferences.

