Husqvarna 544099801 Throttle Lockout

Product Description

The HUSQVARNA 544099801 is a genuine OEM throttle lockout component designed to prevent accidental throttle activation on Husqvarna outdoor power equipment. The throttle lockout engages a mechanical interlock that requires deliberate operator input before the throttle can be depressed, reducing the risk of unintended blade or engine acceleration. This is a direct-replacement OEM part sourced from Husqvarna, ensuring proper fit and function without modification. Installation is typically performed by small-engine technicians or experienced equipment service professionals.

This throttle lockout is suited for use on Husqvarna handheld and walk-behind outdoor power equipment where throttle safety interlock systems are specified. Common applications include lawn mowers, trimmers, and similar Husqvarna-branded tools that require an operator-present throttle control mechanism. Because this is a genuine OEM component, it is manufactured to the same tolerances as the part it replaces.

Key Features

• Genuine OEM Husqvarna replacement part — no fitment modification required
• Prevents accidental throttle activation through mechanical interlock design
• Supports safe operator handling during equipment use
• Direct drop-in replacement for the original throttle lockout assembly

Compatibility

Designed as an OEM-style replacement throttle lockout for compatible Husqvarna outdoor power equipment models. Consult the Husqvarna parts diagram for your specific model to confirm fitment before ordering.

Installation Notes

Throttle lockout replacement is typically performed by a qualified small-engine technician or authorized service dealer. Disconnect the spark plug wire and ensure the engine is fully off and cooled before beginning any disassembly. Follow the equipment service manual for proper reassembly sequence to ensure the interlock functions correctly after installation. Do not operate the equipment if the throttle lockout is missing, damaged, or improperly seated.

Technical Specifications

• Part Type: Throttle Lockout
• OEM Status: Genuine OEM

Standard Information

• Brand: HUSQVARNA
• Manufacturer Part Number: 544099801