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This is an authentic Hitachi replacement part manufactured for use with hammer drills. The special piston is used to drive the striker and is linked to the crankshaft by the connecting rod. This piston is sold as an individual replacement part, please see model diagram for associative parts.
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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.
