Product Description
In Stock, USA Seller-Ships In 24 Hours
Brand New & 100% Guaranteed
Hitachi 878-691 / 878691 Piston Ring-Brand New-For NV65AH and NV50AD2 Siding Nailer-Made In Japan-In Stock
About: This Part fixes the problem of the older style NV65AH’s and NV50AD2 misfiring, jamming, shooting 2 nails or skipping nails. Also fixes the problem of the driver always falling down. These piston rings are made of high quality Teflon plastic.
Please Note:
The NV65AH and NV50AD2 Siding Nailers have 2 versions / different style Piston Rings.
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The older style is a thin Plastic Teflon Piston Ring(with a thin o-ring under it),
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The newer style has a thick Rubber O-ring Piston Ring.
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The Piston Ring on this page is only for the older style NV65AH / NV50AD Siding Nailers.
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The easiest way to find out if your nailer uses this style Piston Ring is to open the top Head Valve by unscrewing the 4 Bolts being careful not to damage the gasket. You can then pull out the Piston Assembly. If the piston ring is plastic (Often broken), then the Piston Ring on this page will work for you.
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If your piston ring is made of a thick rubber o-ring, then please contact us and we can sell you the rubber o-ring as well.
878-691 / 878691 Piston Ring (Teflon Plastic) Fits the Following Hitachi Tools:
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NV65AH Coil Siding Nailer
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NV50AD2 Coil Siding Nailer
Part # 878-691 / 878691
Condition:
Brand New, Hitachi Teflon Piston Ring. 100% Guaranteed. Well-constructed, tough, dependable parts. See pictures for more details.
Any Questions, please e-mail us.
Warranty Information
Our 30 day Guarantee assures that you will not receive an item that doesn't function as intended unless otherwise stated. We 100% thoroughly inspect and test every function of every item we sell before shipping it out to you, our customer. We are highly trained in inspecting and testing with over 25 years experience of repairing power tools. But if for some reason you do receive an item that doesn't function as intended, we will refund your money excluding any shipping charges. Please see Returns for more information.