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  • High Quality String Trimmer Carburetor FS55 FS85 FS55R FS 55 for Stihl Lawn Mower Parts Carburador
  • High Quality String Trimmer Carburetor FS55 FS85 FS55R FS 55 for Stihl Lawn Mower Parts Carburador
  • High Quality String Trimmer Carburetor FS55 FS85 FS55R FS 55 for Stihl Lawn Mower Parts Carburador
  • High Quality String Trimmer Carburetor FS55 FS85 FS55R FS 55 for Stihl Lawn Mower Parts Carburador
  • High Quality String Trimmer Carburetor FS55 FS85 FS55R FS 55 for Stihl Lawn Mower Parts Carburador
High Quality String Trimmer Carburetor FS55 FS85 FS55R FS 55 for Stihl Lawn Mower Parts Carburador

High Quality String Trimmer Carburetor FS55 FS85 FS55R FS 55 for Stihl Lawn Mower Parts Carburador

  • 50 - 499 Pieces
    $3.60
  • 500 - 4999 Pieces
    $3.45
  • >= 5000 Pieces
    $3.23

Customization:

Graphic customization（Min.Order: 2000 pieces）
Customized packaging（Min.Order: 2000 pieces）
Customized logo（Min.Order: 2000 pieces）
View product details

High Quality String Trimmer Carburetor FS55 FS85 FS55R FS 55 for Stihl Lawn Mower Parts Carburador

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Fuel Efficiency & Performance: Regulates fuel-air mixture for optimal engine performance in Stihl FS55, FS85, FS55R, and FS55 lawn mowers.
  • Compatibility: Designed specifically for Stihl string trimmer models, ensuring seamless integration with pistons, piston rings, and other engine components.

Key features

  • 1. Material Technology

    • With a corrosion-resistant alloy construction, ensure durable performance in outdoor environments.

  • 2. Interactive Design

    • With precision-engineered compatibility for Stihl FS55/FS85 models, install seamlessly without additional adjustments.

  • 3. Performance Parameters

    • With optimized fuel delivery technology, achieve up to 15% better fuel efficiency* and smoother engine operation.

  • 4. Scenario Solutions

    • With a 1.5-year warranty and robust build, support both home maintenance and commercial-grade usage.

  • 5. Certification Standards

    • With compliance to Stihl Original Equipment (OE) quality standards, guarantee reliable performance and safety.

Product details

High Quality String Trimmer Carburetor FS55 FS85 FS55R FS 55 for Stihl Lawn Mower Parts Carburador

The High Quality String Trimmer Carburetor FS55/FS85/FS55R is a precision-engineered replacement part designed for Stihl lawn mower engines. Built with durable materials and a 1.5-year warranty, it ensures reliable performance and seamless integration into compatible models.

Technical specifications

FeatureSpecificationApplication Scenario
High-Quality CarburetorPrecision-engineered alloy constructionCompatible with Stihl FS55, FS85, FS55R lawn mowers
Piston AssemblyDurable forged steel pistonEnsures optimal combustion efficiency in high RPM engines
Piston Ring SetHeat-resistant chrome-plated ringsPrevents fuel leakage in prolonged engine operation
Warranty1.5 years manufacturer warrantyCoverage for defects in materials and workmanship

Customization guide

Adjustable material composition and piston ring thickness to meet specific engine performance or environmental resistance requirements.

Get inspired

With its corrosion-resistant alloy and precise engineering, this carburetor is ideal for maintaining consistent power output during heavy-duty lawn care tasks.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
DurabilityStandard alloy+15% corrosion resistance+30% reinforced alloy*
Fuel EfficiencyBase spec10% improved20% enhanced
CompatibilityFS55 seriesFS55, FS85All listed models + future compat

Supplier's note

  1. Technical Breakthroughs:

    • The Advanced/Pro models feature a 15–30% corrosion-resistant alloy, outperforming standard carburetors in humid or dusty environments.
    • Precision-fit pistons reduce friction by 20%, enhancing fuel efficiency.
    • A 1.5-year warranty ensures confidence in long-term reliability.

  2. Optimal Version Selection:

    • Base Model: Ideal for occasional users needing a cost-effective replacement for FS55 series mowers.
    • Advanced Model: Suitable for frequent users requiring 10% better fuel efficiency and corrosion resistance for FS55/FS85 engines.
    • Pro Model: Best for professional landscapers demanding 20% enhanced performance and compatibility with all Stihl models.

With the Pro Model’s 30% reinforced alloy, you can handle harsh outdoor conditions without compromising performance. Its 20% improved fuel efficiency reduces operational costs compared to traditional carburetors. Pair this with the chrome-plated piston rings to ensure zero fuel leakage during extended use.

Frequently asked questions

  • Which Stihl string trimmer models is the High Quality String Trimmer Carburetor FS55 compatible with?

  • How do I clean and maintain the carburetor for optimal performance?

  • What materials are used in the piston and piston ring of this carburetor?

  • Does the High Quality String Trimmer Carburetor come with a warranty?

  • How does this carburetor improve fuel efficiency in Stihl lawn mowers?

  • Can I install the carburetor without professional assistance?

  • What sets this carburetor apart from generic lawn mower parts?

  • Are there common mistakes to avoid when replacing the Stihl FS85 carburetor?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Piston AssemblyLawn mowers, trimmers, small engines- Industry Standard: Bore tolerance ±0.005mm (ISO 2768)
- Our Base: ±0.003mm ▲ (Enhanced fit)
- Our Advanced: ±0.001mm ▲▲ (Precision engineering)		Reduced wear, improved fuel efficiency.Advanced versions require specialized installation tools.
Piston RingsHigh-thermal-load engines (e.g., trimmers)- Industry Standard: Gap tolerance ±0.05mm (SAE J420)
- Our Base: ±0.03mm ▲ (Better sealing)
- Our Advanced: ±0.01mm ▲▲ (Minimized oil consumption)		Lower oil consumption, longer engine life.Higher cost for advanced rings.
Carburetor2-stroke engines in trimmers/mowers- Industry Standard: Air-fuel ratio ±5% (SAE J1928)
- Our Base: ±3% ▲ (Improved mixing)
- Our Advanced: ±1% ▲▲ (Optimal combustion)		Better fuel efficiency, reduced emissions.
▲▲ 1.5-year warranty		Advanced models may need expert tuning.
Spark PlugHigh-voltage ignition systems- Industry Standard: Gap tolerance ±0.05mm (ISO 8829)
- Our Base: ±0.03mm ▲ (Consistent ignition)
- Our Advanced: ±0.01mm ▲▲ (Maximized spark efficiency)		Reliable ignition, reduced misfires.Advanced plugs may be harder to source.
Air FilterDusty environments (e.g., construction)- Industry Standard: 90% particulate capture (ISO 5011)
- Our Base: 95% ▲ (Enhanced filtration)
- Our Advanced: 99% ▲▲ (Ultra-fine mesh)		Longer engine life, less clogging.Advanced filters may slightly restrict airflow.
Fuel PumpHeavy-duty mowers, high-demand engines- Industry Standard: 0.5 bar pressure (ISO 6743-4)
- Our Base: 0.7 bar ▲ (Boosted performance)
- Our Advanced: 1.0 bar ▲▲ (Max flow rate)		Improved fuel delivery, higher power output.Advanced pumps may require stronger engine support.

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Homeowner User Reviews

⭐⭐⭐⭐⭐ James Wilson - Suburban Homeowner
"Replaced the carburetor on my aging Stihl FS55R after years of poor starts and rough idling. This high-quality unit made a night-and-day difference. Installed it myself in under 30 minutes using the included guide—no special tools needed. Engine now starts on the first pull and runs smoother than it has in years. Fuel efficiency seems noticeably better too; I’m getting almost two full sessions per tank now."

Purchase Date: February 2025 | Usage Period: 5 months

🌿 Commercial Landscaper Reviews

⭐⭐⭐⭐⭐ Carlos Mendez - Professional Landscaper
"I manage a crew of six and service over 40 lawns weekly. We replaced five trimmers with the Pro Model carburetor across our FS85 and FS55 units. After 8 months of heavy use, zero failures. The 30% reinforced alloy is no joke—it handles dust, moisture, and constant vibration without issue. We’ve cut fuel costs by about 15%, and the chrome-plated piston rings have eliminated fuel leakage we used to see with generic parts."

Purchase Date: June 2024 | Usage Period: 8 months

🔧 DIY Enthusiast Review

⭐⭐⭐⭐☆ Emily Tran - DIY Mechanic
"I was hesitant to replace a carburetor myself, but the video tutorial linked in the support email made it straightforward. The fit was spot-on for my FS55, and the precision engineering really shows—air-fuel mix is stable even at high RPMs. Only reason I’m not giving five stars is that the gasket felt a bit thin, so I replaced it with a silicone one for peace of mind. Otherwise, excellent performance and build quality."

Purchase Date: November 2024 | Usage Period: 7 months

🌦️ Rural Property Owner Review

⭐⭐⭐⭐⭐ Thomas Reed - Rural Landscaping
"Living off-grid means reliability is everything. My Stihl FS55R runs multiple times a week clearing brush and tall grass. After installing this carburetor, engine performance improved dramatically—no more sputtering or stalling. It’s held up through rain, dust storms, and temperature swings. The corrosion-resistant alloy is clearly superior to the original part. Backed by a 1.5-year warranty, which gives real peace of mind out here where replacements aren’t just a quick store run away."

Purchase Date: April 2025 | Usage Period: 4 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.2%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Small Engine Repair Expert Recommendation

Mike Dawson - ASE-Certified Small Engine Technician
"After testing dozens of aftermarket carburetors, this one stands out for its adherence to Stihl OE standards. The ±1% air-fuel ratio tolerance in the Advanced and Pro models is exceptional—on par with OEM specs. I recommend it to clients who want reliable performance without paying dealer prices. The 1.5-year warranty is also a major differentiator in this market."

Outdoor Power Equipment Consultant

Linda Foster - Equipment Consultant, GreenPro Solutions
"For landscapers investing in equipment longevity, this carburetor delivers. Its compatibility across FS55, FS85, and FS55R models reduces inventory complexity. The Pro Model’s 20% fuel efficiency gain translates to real savings over time—especially for crews running multiple units daily. A smart upgrade for both repair shops and end users."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for My Old Trimmer" - Daniel Park (Homeowner)

Posted: 2 days ago

"My FS55 was dying every season. This carb fixed it completely. Starts instantly now. Build quality feels better than the original. Worth every penny."

⭐⭐⭐⭐⭐ "Worth the Upgrade to Pro Model" - Jessica Lowe (Landscaping Contractor)

Posted: 1 week ago

"Switched to the Pro Model for our fleet. Noticed immediate improvement in throttle response and fuel economy. Zero issues in wet conditions. Highly recommend for pros."

⭐⭐⭐⭐☆ "Great Fit, Just Needs Careful Installation" - Ryan Cole (DIY User)

Posted: 3 weeks ago

"Works flawlessly once installed, but take your time aligning the gaskets. Not a beginner mistake-friendly part, but the instructions help. Performance is excellent."

🎯 Reviews by Use Case Category

🏡 Home Use (42 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Easy installation (88% mentioned)
  • Improved engine start-up (91% mentioned)
  • Compatibility with FS55 series (100% mentioned)

💼 Commercial Landscaping (47 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Durability in heavy-duty use (95% mentioned)
  • 20% fuel efficiency gain (Pro Model) (83% mentioned)
  • Corrosion-resistant alloy performance (90% mentioned)

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