Husqvarna 581827001 Jonsered Bar Nuts in Clamshell – Replacement Chainsaw Guide Bar Mounting Nuts

Part Number: 581827001
Category: Chainsaw Tools & Replacement Parts
Type: Jonsered Bar Nuts in Clamshell – Replacement Chainsaw Guide Bar Mounting Nuts

The Husqvarna 581827001 Jonsered Bar Nuts are replacement chainsaw mounting hardware designed for compatible Jonsered chainsaw equipment. Packaged in a clamshell, these bar nuts are intended to secure the applicable guide bar and related mounting assembly to the chainsaw. Ideal for replacing worn, rounded, stripped, corroded, damaged, or missing bar nuts, the 581827001 helps restore secure guide bar mounting and the intended chainsaw cutting-system configuration.

Product Specifications

• Part Number: 581827001
• Brand: Husqvarna / Jonsered
• Product Type: Bar Nuts
• Hardware Type: Guide Bar Mounting Nuts
• Packaging: Clamshell
• Application: Chainsaw Equipment
• System: Guide Bar / Cutting System
• Function: Guide Bar Mounting & Retention
• Condition: New

Features & Benefits

• Replacement chainsaw bar nuts for compatible Jonsered equipment
• Designed to secure the applicable guide bar mounting assembly
• Helps maintain proper guide bar positioning and retention
• Supports the intended configuration of the chainsaw cutting system
• Useful for replacing lost or missing guide bar mounting hardware
• Helps restore secure mounting when existing nuts become worn or damaged
• Ideal for replacing rounded, stripped, corroded, damaged, or missing bar nuts
• Packaged in a clamshell for convenient storage and handling

Applications

• Compatible Jonsered chainsaws
• Applicable Husqvarna-manufactured chainsaw configurations
• Chainsaw guide bar assemblies
• Guide bar mounting studs
• Saw chain and bar maintenance
• Cutting-system repairs
• Replacement of worn or missing bar nuts
• Routine chainsaw maintenance and servicing

Important Notes

• Verify part number 581827001 before ordering
• Confirm compatibility with your specific Jonsered chainsaw model and guide bar mounting system
• Compare the existing thread diameter, thread pitch, nut dimensions, wrench size, and mounting configuration before replacement
• Do not assume compatibility based solely on the appearance of the bar nuts
• Inspect associated bar studs, guide bar mounting slots, chain tensioner, clutch cover, washers, and surrounding hardware for wear or damage
• Verify the quantity and exact clamshell package contents before ordering if a specific number of bar nuts is required
• Tighten the bar nuts according to the chainsaw manufacturer’s recommended procedure after properly setting chain tension
• Always shut off the chainsaw and allow all moving components to stop completely before adjusting or servicing the guide bar and chain assembly