Briggs & Stratton 165X117MA Lifter Extension Spring Sub-Category_Blade Adapters This 3-3/4" LH spool trimmer

This 3-3/4" LH spool trimmer head speed feed takes 30 seconds or less to load line and is designed for medium to heavy duty applications

Fits non-direct excited systems

Translucent material resists swelling or hardening

Fits various Scag models and others

Made with brake lip

Briggs & Stratton 165X117MA Lifter Extension Spring Sub-Category_Blade Adapters This 3-3/4" LH spool trimmerKeep your outdoor power equipment running smoothly with genuine OEM replacement parts. Designed to meet the highest standards of quality and performance, these parts ensure your equipment operates efficiently and reliably. Many parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement. Fits