Husqvarna 581643672 18" SP33G Chainsaw Chain – .325" Pitch, .050" Gauge, 72 Drive Links

Part Number: 581643672
Category: Chainsaw Replacement Parts
Type: 18" SP33G Chainsaw Chain – .325" Pitch, .050" Gauge, 72 Drive Links

The Husqvarna 581643672 18" SP33G Chainsaw Chain is a replacement cutting chain designed for compatible Husqvarna chainsaws equipped with the appropriate 18-inch guide bar and chain configuration. Featuring a .325-inch pitch, .050-inch gauge, and 72 drive links, this SP33G chain is designed to provide dependable cutting performance when properly matched, installed, sharpened, and tensioned. Ideal for replacing a dull, stretched, worn, damaged, or unusable chain, the 581643672 helps restore effective cutting performance on compatible Husqvarna chainsaw equipment.

Product Specifications

• Part Number: 581643672
• Brand: Husqvarna
• Product Type: Chainsaw Chain
• Chain Series: SP33G
• Guide Bar Length: 18"
• Pitch: .325"
• Gauge: .050"
• Drive Links: 72
• Application: Chainsaw Equipment
• Condition: New

Features & Benefits

• Replacement 18-inch SP33G chainsaw chain for compatible Husqvarna chainsaws
• Features a .325" pitch
• .050" gauge for compatible guide bar configurations
• Equipped with 72 drive links
• Helps restore effective and dependable chainsaw cutting performance
• Ideal for replacing dull, stretched, worn, damaged, or unusable chains
• Practical replacement chain for chainsaw maintenance and servicing

Applications

• Husqvarna chainsaw equipment
• Compatible chainsaws using an 18" guide bar
• Chainsaw cutting systems requiring a .325" pitch
• Guide bars requiring a .050" gauge chain
• Configurations requiring 72 drive links
• Chainsaw chain replacement and maintenance
• Wood cutting and general chainsaw applications

Important Notes

• Verify part number 581643672 before ordering
• Confirm your chainsaw requires an 18" chain with .325" pitch, .050" gauge, and 72 drive links
• All three chain specifications—pitch, gauge, and drive-link count—must match your chainsaw and guide bar configuration
• Inspect the guide bar, drive sprocket, and chain tensioning components for wear or damage when replacing the chain
• Adjust chain tension according to the equipment manufacturer's specifications before operation
• Always follow appropriate chainsaw safety procedures and use recommended protective equipment during installation and operation