The o-ring fits between the striker and the piston. It is made of rubber and is sold individually even though two may be needed. This is a genuine OEM sourced part which is specially designed for use with Hitachi demolition hammers. During the installation process, a set of pliers might be needed to replace this item. Over time this part may break and will need to be replaced.
Troubleshooting
This part works with the following brands:
Hitachi
This part works with the following products:
Demolition Hammer
Hammer Drill
Part# 985454 replaces these:
985-454,
Model Cross Reference
This part works with the following models:
ERP Number: ERP18813544
Manufacturer Part Number: 985454
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.