Product Description
Product Description
The Redmax 521516501 screw is a genuine OEM replacement fastener designed to secure components on compatible Redmax outdoor power equipment. This metric screw features a 4 mm diameter and 10 mm length, making it ideal for lightweight assemblies such as engine covers, guards, controls, and accessory brackets. Precisely machined to original equipment specifications, this screw ensures reliable fastening and vibration-resistant performance during normal operation.
What is this part & what does it do?
This OEM screw functions as a threaded fastening component that holds panels, guards, brackets, and other assemblies in place on outdoor power tools. Using the correct OEM-specified screw helps prevent loosening under vibration, maintains equipment structural integrity, and supports safe, efficient operation.
Specifications
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Part Number: 521516501
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Part Type: Screw / Fastener
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Thread Size: M4 (4 mm diameter)
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Length: 10 mm
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Brand: Redmax / OEM
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Condition: New OEM Replacement
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Material: Hardened steel or OEM-grade metal
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Application: Used where an M4×L10 screw is specified in assembly diagrams
Features
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Genuine OEM Redmax metric screw
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Precision-threaded for secure fastening
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Durable construction for long service life
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Designed to meet OEM vibration-resistant standards
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Ideal for maintenance and repair of equipment requiring this fastener
Replaces / Supersedes (Verified OEM)
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This exact part number 521516501 is the documented OEM screw — no alternate superseded numbers are listed in verified parts catalogs. It’s the correct replacement where specified in OEM diagrams.
Used On (Verified Models / Applications)
This OEM screw is confirmed for use in assemblies on Redmax and shared OEM-platform outdoor power equipment that call for an M4×L10 screw. Verified examples include (based on OEM parts diagrams):
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Redmax blowers and blower/vacuum models where this screw is used in handle or housing assemblies
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Redmax trimmer and edger controls
(Exact model compatibility and serial ranges vary — verify with your OEM parts diagram.)
Please verify fitment with your exact model and serial number before ordering. Need assistance? Please email Orders@mowpart.com
