Zama C1Q-S34H Carburetor for Stihl FS400 FS450 FS480

The Zama C1Q-S34H is a replacement carburetor designed for Stihl string trimmers and brush cutters, including FS400, FS450, FS480, SP400, SP450, SP451, and SP481 models.

This carburetor maintains fuel-to-air mixture consistency across a range of operating conditions, helping your Stihl equipment run smoothly during regular maintenance tasks. It’s built to the same specifications as original equipment, ensuring reliable performance.

The C1Q-S34H suits both domestic and light commercial applications. Installation is straightforward for users familiar with small engine maintenance—simply remove the old unit and secure the new carburetor in place, then adjust the fuel lines.

Parts references 4128 120 0607 and 4128 120 0651 confirm compatibility with your machine. Check your model number against the list above before ordering to confirm fit.

If your Stihl trimmer is running rough, flooding, or struggling to start, a worn carburetor is often the culprit. This replacement restores normal operation without requiring a complete engine overhaul.

Order your Zama C1Q-S34H carburetor today and return your equipment to reliable working order.