Brush Holder Complete for Makita BHP451 - Makita

The Makita 638431-9 Brush Holder Complete is a genuine OEM replacement assembly designed to restore peak performance to Makita BHP451, BDF451, and BDF451Z cordless hammer driver-drills. This critical component ensures precise carbon brush alignment and consistent electrical contact, which is vital for maintaining reliable power delivery, consistent torque, and accurate speed control in professional automotive, industrial, and construction applications.

Key Features

• Genuine Makita OEM Part: Manufactured to original factory specifications, this brush holder ensures a precise fit and optimal brush positioning, guaranteeing full compatibility and operational integrity with your Makita tools.
• Complete Drop-In Assembly: Supplied as a ready-to-install unit, this assembly streamlines repair processes by minimizing the need for extensive teardown and reducing service time.
• Restores Power and Reliability: Effectively replaces worn or heat-damaged brush holders, improving electrical conductivity and ensuring consistent power delivery even under demanding loads.
• Optimized Brush Function: Facilitates smooth carbon brush movement, which is essential for preventing premature brush wear, mitigating overheating, and extending the motor's operational life.
• Built for Professional Durability: Constructed from robust materials, this component meets Makita’s stringent quality standards, designed to withstand rigorous duty cycles in demanding work environments.

Applications

Utilize the Makita 638431-9 Brush Holder Complete when servicing Makita BHP451, BDF451, or BDF451Z cordless hammer driver-drills across automotive, industrial, and construction settings. This part is ideal for routine overhauls, particularly when carbon brushes are nearing their end-of-life, or during inspections following signs of arcing, heat damage in the brush area, or when troubleshooting intermittent operation, fluctuating speed, or diminished torque. It is a valuable component for professional technicians, fleet maintenance programs, and shop owners who rely on these drills for tasks such as fastener removal, general assembly, and light drilling.

Specifications

• Manufacturer: Makita
• Model Number: 638431-9
• Assembled Product Weight: Approximately 0.1 lb
• Material: Metal
• Contents: Includes plastic ring and two metal brush holders with lead wires. Carbon brushes are not included and are sold separately.