Motor carbon brushes 4.5 x 8 x 11 mm — direct replacement for Bosch cordless drills Why you need these brushes Restores proper motor performance: worn brushes cause intermittent motor operation, poor running and loss of electrical braking. Replacing them often fixes temporary motor suspensions and brings back expected braking behavior. Costeffective : inexpensive alternative to the original spare part that returns a drill to service without replacing the whole tool. Reliable fit for listed Bosch models when dimensions and connections match. Key specifications Brush size: 4.5 mm x 8 mm x 11 mm (length x width x height) Material: quality bronze material designed for low sparking, strength and long service life Included: carbon brushes with cable, spring and shackle ready for installation OEM reference: replacement for Bosch 1607000CZ1 Compatibility: Bosch GSR 140LI, GSB 140LI, GSR 180LI, GSB 180LI, GSR 18V21, GSB 18V21 and identical device models Important: please compare dimensions and electrical connections of your original brushes with these measurements before ordering What makes these brushes stand out Durable construction: bronzebased brush material reduces sparking and wears more slowly compared with lowerquality alternatives Complete assembly: supplied with cable, spring and shackle to match standard brush holders and simplify replacement Practical and precise: manufactured to fit the listed Bosch models and act as a costeffective substitute for the Bosch 1607000CZ1 part Common symptoms these brushes fix Motor stalls or cuts out intermittently under load Reduced motor speed or power Loss of electrical braking or unusual motor noise Replacing worn brushes is a quick and effective first step in diagnosing and repairing these issues. Use scenarios Home DIY : worn brushes in a Bosch GSR 140LI to restore reliable performance for household projects. Professional tradesman: quick field replacement for a GSR 180LI or GSB 180LI to minimize downtime on job sites. Tool maintenance in workshops or rental centers: stock these spare brush assemblies to service multiple identical Bosch cordless drill units. Ordering note Verify the listed dimensions (4.5 x 8 x 11 mm) and the connection type on your existing brushes to ensure compatibility with your Bosch model before .