This is a Genuine Manufacturer Sourced replacement part designed for Hitachi Hammer Drills. This O-Ring provides an Air-Tight Seal for the Piston. Over time this O-Ring will shrink, become brittle and crack allowing for air leaks. At that time it should be replaced. Replacing this item you would need Hex Key/Allen Wrench and Pliers to replace this item.
Troubleshooting
This part works with the following brands:
Hitachi
Metabo HPT
This part works with the following products:
Hammer Drill
Demolition Hammer
Model Cross Reference
This part works with the following models:
ERP Number: ERP11921376
Manufacturer Part Number: 986104
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.