Product Description
Product Description
The Redmax 521851601 switch is a factory-specified OEM control component designed to match original equipment electrical specifications for certain Redmax trimmers, brushcutters, or blower control assemblies. It is typically part of the engine stop/throttle/ignition control circuitry and plays a key role in enabling proper equipment operation and user control feedback.
If a switch is cracked, loose, worn out or no longer reliably making contact, this OEM replacement restores dependable control input and helps maintain safe and predictable performance during use. The switch installs directly into the handle assembly or control housing in place of the damaged original switch.
Specifications
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Part Number: 521851601
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Part Type: Electrical Switch (OEM control switch)
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Brand: Redmax (OEM)
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Condition: New OEM Part
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Function: On-off control for throttle/engine functions
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Application: Handheld Redmax outdoor power equipment
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Mounting: Handle/control assembly interface
Features
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Genuine OEM Redmax switch for reliable electrical control
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Designed to meet factory specifications
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Helps restore proper engine control response
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Durable construction for long service life
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Easy OEM direct replacement
Replaces / Supersedes (Verified Only)
Verified parts listings and OEM catalogs do not list any alternate or superseded part numbers for 521851601 — this component is the current factory designation for this switch in Redmax parts breakdowns.
Used On (Verified Models)
This switch is documented in official parts diagrams for specific Redmax handheld equipment that feature a user-control switch in their handle or engine control assembly, including:
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Redmax CHTZ2401S Hedge Trimmers
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Redmax HTZ2401 Brushcutters
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Redmax BCZ250S / BCZ260S Trimmers
(Exact fitment can vary depending on model year and control configuration — always verify your machine’s parts diagram before ordering.)
Please verify fitment with your exact model before ordering.
Need assistance? Please email Orders@mowpart.com.
