Husqvarna 503978201 Spring

Product Description

The HUSQVARNA 503978201 is a replacement spring designed for use in Husqvarna outdoor power equipment. Springs of this type serve a mechanical tensioning or return function within assemblies such as throttle linkages, brake systems, or blade engagement mechanisms. This part is intended for technicians and service professionals performing maintenance or repair on Husqvarna lawn and garden equipment. It is a direct OEM-replacement component sourced to restore original function to the affected assembly.

This spring is applicable to Husqvarna lawn and garden equipment requiring a factory-specification replacement spring. Typical installation scenarios include seasonal maintenance, component wear replacement, and repair after breakage or fatigue failure in the original part. Service technicians working on Husqvarna handheld or walk-behind equipment will encounter this part in standard repair procedures.

Key Features

• OEM-specification replacement spring for Husqvarna lawn and garden equipment
• Restores original mechanical tensioning or return function to the host assembly
• Direct replacement reduces diagnosis time and callback risk
• Compatible with Husqvarna parts and accessories product lines

Compatibility

Designed as an OEM-style replacement spring for Husqvarna lawn and garden equipment. Confirm fitment using the equipment model number and parts diagram before installation.

Installation Notes

Installation should be performed by a qualified small-engine technician or experienced service professional. Disconnect the spark plug wire and ensure all moving parts are at rest before disassembling any spring-loaded assemblies. Use appropriate hand tools and refer to the Husqvarna service manual for the specific equipment model to identify spring orientation and attachment points. Do not stretch or deform the spring during installation, as this may affect performance and longevity.

Technical Specifications

• Part Type: Spring

Standard Information

• Brand: HUSQVARNA
• Manufacturer Part Number: 503978201