Product name: Carburetor (Zama C1Q-S34H replacement) — Compatible with Stihl FS400, FS450, FS480, SP400 (Carb part 41281200651) Key benefits — why you need this part Optimizes the air–fuel mixture for more efficient combustion, which can reduce fuel use and lower emissions. Makes engine starting easier and helps stabilize idle and running RPM, reducing stalls and uneven operation. Provides stronger throttle response and acceleration, improving overall engine performance under load. Durable metal construction for long service life and resistance to wear. Compatibility and specifications Direct replacement for Zama C1Q-S34H carburetor, part number 41281200651. Listed compatible models: Stihl FS400, FS450, FS480, SP400. Designed for small engine applications where this carburetor model is specified. Features and what makes it stand out Precision fuel–air metering: improves combustion efficiency and throttle response. Stable idling and acceleration: supports consistent engine speed during use. Robust metal housing: hard, wear-resistant construction for extended durability. Includes connections for air, fuel, and filter lines as required for standard installation. Practical applications and use scenarios Lawn and garden maintenance: Replace a worn or damaged carburetor on walk-behind mowers or small garden engines to restore reliable starting and smoother operation. Brushcutters and trimmers: Fit to compatible Stihl FS series equipment (FS400/FS450/FS480/SP400) to regain stable RPM and stronger acceleration when cutting heavy vegetation. Equipment repair and maintenance: Use as a direct replacement part (Zama C1Q-S34H / 41281200651) during routine servicing or after performance issues such as hard starting, poor idle, or fuel inefficiency. Installation notes Confirm model and part number compatibility (Zama C1Q-S34H / 41281200651) before installation. Typical installation requires basic small-engine repair skills and standard hand tools. Inspect and replace gaskets, fuel lines, and air filter if worn to ensure optimal performance. Materials Metal carburetor body: designed for hardness and wear resistance to deliver long-term service. What this product solves Replaces worn or damaged carburetors that cause hard starting, poor idling, sluggish acceleration, high fuel consumption, or increased emissions. Restores reliable performance and extends the usable life of compatible Stihl equipment. Order this carburetor when you need a durable, compatible replacement for Zama C1Q-S34H (41281200651) to improve starting, idle stability, and throttle performance in Stihl FS400, FS450, FS480, and SP400 equipment.