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The HUSQVARNA 503131602 is an OEM throttle catch sold in a 2-pack, designed to maintain consistent throttle position on Husqvarna outdoor power equipment. The throttle catch engages to hold the throttle trigger at a set position, allowing the operator to maintain engine speed without continuous trigger pressure. This small but critical component directly affects control precision and operator comfort during extended use. It is a factory-specification replacement part, making it appropriate for restoring original function to equipment where the catch has worn or broken. Installation is typically performed by small-engine technicians or qualified service shops.
This part is suited for use on Husqvarna handheld and walk-behind outdoor power equipment that uses a throttle trigger assembly with an integrated catch mechanism. Common applications include chainsaws, string trimmers, and brushcutters that rely on a locking throttle catch for sustained-speed operation in lawn care and landscaping work. The 2-pack quantity is practical for service shops stocking common wear parts or for operators servicing multiple units at once.
Designed as an OEM-specification replacement throttle catch for compatible Husqvarna outdoor power equipment throttle trigger assemblies. Verify fitment against your unit model number before installation.
Installation of this throttle catch should be performed by a qualified small-engine technician familiar with Husqvarna throttle trigger assemblies. Disconnect the spark plug wire and ensure the engine is fully stopped before disassembling the trigger housing. Use the correct small-parts tools to avoid damaging the housing tabs or surrounding components during removal and reinstallation.
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