ZAMA C1Q-S66 / C1Q-S143 Replacement Carburetor for Stihl String Trimmers

Keep your Stihl trimmer running at peak performance with this precision-engineered replacement carburetor. Designed as a direct-fit replacement for the ZAMA C1Q-S66 and C1Q-S143, this alloy-constructed carburetor is built to deliver consistent fuel metering and smooth engine operation across a wide range of compatible Stihl models.

Key Features

Direct Replacement: Compatible with ZAMA C1Q-S66 and C1Q-S143 carburetors
Wide Compatibility: Fits Stihl FS38, FS45, FS46, FS55, FS85, and F055 string trimmers
Durable Alloy Construction: Built from quality alloy materials for long-lasting, reliable service
Precise Fuel Delivery: Engineered to maintain optimal air-to-fuel ratios for smooth starts and steady engine performance
Lightweight Design: Weighs only 110g — easy to handle during installation
Measurement Tolerance: Please allow ±1–3 cm manufacturing tolerance

Specifications

Product Name: C1Q-S66 / C1Q-S143 Replacement Carburetor
Replaces: ZAMA C1Q-S66, ZAMA C1Q-S143
Weight: 110g
Material: Alloy
Compatible Models: Stihl FS38, FS45, FS46, FS55, FS85, F055
Color: As shown
Package Contents: 1 x Carburetor (other products not included)

Compatibility Guide

This carburetor is designed as a drop-in replacement for the following Stihl trimmer models:

Stihl FS38
Stihl FS45
Stihl FS46
Stihl FS55
Stihl FS85
Stihl F055

For guidance on safe outdoor power equipment maintenance, visit the U.S. Consumer Product Safety Commission – Outdoor Power Equipment Safety.

Frequently Asked Questions

Q: Which Stihl trimmer models is this ZAMA C1Q-S66 carburetor compatible with?

A: This replacement carburetor is compatible with Stihl FS38, FS45, FS46, FS55, FS85, and F055 string trimmers. It is engineered as a direct fit for units originally equipped with the ZAMA C1Q-S66 or C1Q-S143 carburetors.

Q: What material is the carburetor made from, and how durable is it?

A: The carburetor is constructed from quality alloy, providing excellent durability and resistance to heat and fuel exposure — ensuring dependable, long-term performance in demanding outdoor conditions.

Q: What is included in the package?

A: The package includes 1 x replacement carburetor. No other accessories or components are included. Please verify your trimmer model number before purchasing to confirm fitment compatibility.

Q: Is this carburetor easy to install?

A: Yes. This carburetor is designed as a direct drop-in replacement, making installation straightforward for anyone with basic small-engine maintenance experience. Always refer to your Stihl trimmer's service manual for step-by-step guidance and ensure the engine is completely cooled before beginning any maintenance work.

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