Pre Filter

This high-quality replacement Pre Filter (SKU: ST0162) is designed to fit STIHL FS66 and compatible trimmers, matching OEM reference STIHL 4123 124 0801. Constructed from durable foam, it measures 2-3/8” (60mm) L x 2” (51mm) W x 3/16” (5mm) H, providing reliable engine protection by trapping dust and debris. A cost-effective alternative to genuine parts, it ensures optimal airflow and extends the life of your equipment.

• Durable foam construction for long-lasting filtration and easy cleaning.
• Direct replacement for STIHL OEM part 4123 124 0801, ensuring a perfect fit.
• Helps maintain engine performance by preventing dirt ingress.

• STIHL FS66 Trimmer
• STIHL FS76 Trimmer
• STIHL FS86 Trimmer

Pre Filters – Essential replacement foam filters for outdoor power equipment, designed to keep engines clean and running efficiently.