Product: Carbon Brushes for Makita GA9040S / GA7020S / GA9020S / GA7040S / GA7030S / GS5000 Key benefits Restores motor performance: Replaces worn brushes to improve electrical contact, reduce motor sparking, and recover power and torque. Reliable power transfer: High-grade carbon composition provides consistent conductivity and stable current flow under load. Fit and compatibility: Specifically designed as a replacement for Makita GA9040S and compatible with GA7020S, GA9020S, GA7040S, GA7030S and GS5000 for a direct, hassle-free swap. Durability and reduced maintenance: Wear-resistant carbon material extends service intervals and helps avoid premature motor damage. What this product does Transfers electrical current between the stationary and rotating parts of the motor, ensuring smooth operation and efficient performance. Minimizes electrical arcing and heat at the commutator, protecting the motor and improving long-term reliability. Key attributes Material: High-quality carbon formulated for electrical conductivity and wear resistance. Function: Replacement carbon brushes for commutator contact and power transfer. Compatibility: Exact replacement fit for Makita GA9040S; suitable/matches/compatible with Makita GA7020S, GA9020S, GA7040S, GA7030S and GS5000. Performance: Engineered to restore factory-like operation and reduce sparking and intermittent power loss. Practical applications / use scenarios Jobsite repair: Swap worn brushes in a Makita GA9040S angle grinder after extended cutting or grinding to restore cutting power and prevent tool downtime. Workshop maintenance: Keep a set on hand for routine servicing of GA7020S or GA7040S grinders to maintain consistent motor performance and extend tool life. Emergency replacement: Replace failing brushes in GA7030S or GS5000 models that show heavy sparking, reduced speed, or intermittent operation to get tools back into service quickly. Installation notes Intended as direct replacement parts for the listed Makita models. Inspect brush holders and commutator for wear and clean before installation to maximize service life. Compatibility checklist Makita GA9040S (designed for) Makita GA7020S (suitable for) Makita GA9020S (match for) Makita GA7040S (compatible with) Makita GA7030S (ideal for) Makita GS5000 (ideal for) Choose these carbon brushes to maintain reliable performance and extend the working life of your specified Makita tools.