Husqvarna Carburetor Replacement for 327/323/325 Trimmers — OEM 576019801, Single Assembly Restores Performance

Genuine Husqvarna carburetor 576019801 engineered to restore fuel delivery and performance on compatible trimmers and brush cutters.

If your Husqvarna trimmer or brush cutter is hesitating, flooding, running rough, or hard to start, a worn or damaged carburetor is often the cause. This is an original equipment manufacturer (OEM) replacement built to the same specifications as the factory part so it fits correctly and keeps your tool operating to specification. The unit measures roughly 2.5" long by 2.5" wide by 1.5" high and ships as a single carburetor assembly.

Which Husqvarna models will this carburetor fit?

The carburetor is made to replace Husqvarna part number 576019801 and fits a long list of string trimmers, brush cutters, and select auger models. Always check your machine's parts diagram or owner manual before ordering to confirm compatibility.

• Fits many 327-series machines (327P4, 327P5X, 327RX, 327RJX, 327RDX, 327 LDX/LS/LX, HDA65 variants)
• Compatible with 323-series and 325-series trimmers (323R, 323RII, 323RJ, 323L, 325RX, 325RJX)
• Also used on models like 223R, select 326-series, and some ice auger P5X/AI variants
• Refer to your model year listing in the product fitment notes for exact match

What are the physical specs and package details?

This replacement arrives as a single carburetor unit ready to install. The size and weight make it a compact service part suitable for handheld power tools.

• Package quantity: 1 carburetor assembly
• Dimensions: approx. 2.5" L × 2.5" W × 1.5" H
• Weight: ~0.2 lb — light and easy to handle during installation
• OEM part number: Husqvarna 576019801 for direct-replacement assurance

How will replacing the carburetor help my trimmer perform?

A fresh OEM carburetor restores correct air-fuel mixing and throttle response, which improves starting, idle stability, and cutting power. Using a genuine Husqvarna part preserves original tolerances for reliable operation and helps avoid fitment issues common with generic aftermarket units.

• Restores consistent engine idle and reduces stalling
• Eliminates flooding or lean running caused by failed diaphragms or gaskets
• Maintains factory fuel flow and throttle response
• Reduces troubleshooting time compared with non-OEM alternatives

Before replacing the carburetor, confirm that the fuel, air filter, spark plug, and fuel lines are in good condition; these items can cause similar symptoms if neglected.

Who is this carburetor for? This OEM Husqvarna carburetor is intended for owners, service technicians, and landscape pros who need a direct-fit replacement for compatible Husqvarna trimmers, brush cutters, and select auger models. It's ideal if you want factory-fit parts to maintain original performance and reliability rather than risk fitment or durability issues with non-OEM components. If you are unsure about fitment, consult your owner's manual or the parts diagram for your exact model and year before purchasing.