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The MILWAUKEE 31-12-0018 is a replacement lock pin cap designed to protect and retain the lock pin mechanism on compatible Milwaukee power tools. This small but functionally critical component keeps the lock pin assembly covered and properly seated during operation, preventing debris ingress and maintaining the integrity of the locking function. It is typically installed by tool service technicians or experienced tradespeople performing bench-level repairs on Milwaukee equipment.
This cap is suited for use in tool maintenance and repair scenarios where the original lock pin cap has been lost, damaged, or worn beyond serviceability. It is a direct OEM-sourced replacement part intended to restore the tool to factory condition. Service shops and field technicians performing Milwaukee tool repairs will find this a necessary stock item for common cap and cover replacements.
Designed as an OEM-style replacement lock pin cap for compatible Milwaukee power tool models. Verify fitment against your tool model number before ordering.
Installation should be performed by a qualified tool service technician familiar with Milwaukee power tool disassembly procedures. Disconnect the tool from all power sources and remove the battery pack before beginning any service work. Use appropriate hand tools and follow Milwaukee service documentation for proper component seating and assembly sequence.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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