C3-2 Trimmer Head Spool - Compatible with Stihl C3-2 FSA 57 FSE 52 FSA57 FSE52 Weed Eater String Trimmer Head - Replace Parts 4009 710 4305 - Pack of 4

C3-2 Trimmer Head Spool - Compatible with Stihl C3-2 FSA 57 FSE 52 FSA57 FSE52 Weed Eater String Trimmer Head - Replace Parts 4009 710 4305 - Pack of 4

Key Features

• Package contains four (4) replacement spools.
• Pre-wound with trimmer line for immediate use.
• Designed for trimmer heads with automatic line feed systems.

Replaces / Cross-Reference Part Numbers

• 4009 710 4305
• 4009 710 2106
• 4009 710 4306

Compatibility & Fitment

• Fits Stihl trimmers equipped with the C3-2 trimmer head.
• Compatible Models: Stihl FSE 52, Stihl FSA 57.
• Important Note for FSA 57:This spool is only compatible with FSA 57 trimmers with a serial number beginning with 5 (e.g., 5XXXXXXXX). Please verify your serial number before purchasing.

When to Replace

• Trimmer line is fully depleted from the existing spool.
• The spool is cracked, warped, or will not unwind smoothly.
• Line feeding becomes inconsistent or frequently jams.

Installation Tips

• Always disconnect the power source (remove battery) before handling the trimmer head.
• Depress the two tabs on the side of the trimmer head to remove the cap.
• Remove the old spool and any debris from the housing.
• Insert the new spool, aligning it correctly within the housing.
• Thread the line ends through the eyelets on the trimmer head.
• Reinstall the cap, ensuring it clicks securely into place.