4 PCS Replacement Carbon Brushes (2 pairs) — Compatible with Bosch GSR140LI, GSB140LI, GSR180LI, GSB180LI Part number: 1607000CZ1 Why you need this kit Restores motor performance: Worn carbon brushes cause reduced power, uneven speed, and loss of electric braking. Replacing them restores consistent power transmission and the electric braking function. Extends tool life: Fresh carbon + metal brushes reduce arcing and wear on the commutator, helping your drill or driver run more reliably for longer. Easy, reliable swap: Supplied as 4 pieces (2 pairs) to both brushes at once and balance motor wear. Key features Compatibility: Direct fit for Bosch models GSR140LI, GSB140LI, GSR180LI, GSB180LI requiring part number 1607000CZ1. Quantity: 4 PCS set (2 pairs). Material: Carbon with metal contact for stable current flow and durable contact. Dimensions: Approximately 4.5–4.6 x 8 x 11.6–12 mm (meets OEM fit standards for the listed models). Function: Restores power, smooth operation, and electric braking performance. Broad motor suitability: Designed for common electric motor types and also suitable for use in rotary hammer drills, angle grinders, circular saws, and cutoff saws where similar brush sizes are used. Practical applications a cordless drill that has lost power or no longer brakes effectively after prolonged use. Routine maintenance for workshop tools to prevent sudden performance drops during jobs. Refurbishing rental or equipment to restore consistent torque and reduce downtime. Installation and use brushes as a matched pair for even wear. Inspect commutator and brush holders for debris or damage before installing. If unsure about fit, verify your tool's required part number (1607000CZ1) and brush dimensions before . What's included 4 carbon brushes (2 pairs), carbon + metal construction, approx. 4.5–4.6 x 8 x 11.6–12 mm, compatible with listed Bosch models. Reliable, OEMsized replacements to restore performance and braking on GSR/GSB 140LI and 180LI tools.