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Metabo HPT (Hitachi) Parts

Piston Bumper 890445

OEM part for: Metabo HPT (Hitachi)

Part Number: 890445


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Piston Bumper - 890445:Metabo HPT (Hitachi) 360 View
Piston Bumper - 890445:Metabo HPT (Hitachi)Piston Bumper - 890445:Metabo HPT (Hitachi)Piston Bumper - 890445:Metabo HPT (Hitachi) 360 View
In Stock
Ships within 1 business day
Easy 15-30 minutes (3 rated repairs)?
OEM: Original Equipment Manufacturer ?
Metabo HPT (Hitachi)
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Product Description ?

This replacement piston bumper is designed for use on Hitachi nailers. It is a genuine manufacturer sourced part. The purpose of this piston bumper is to keep the piston from hitting the bottom of the cylinder. If the bumper is cracked or missing pieces you can seriously damage the cylinder. Because this part get so much abuse it has a tendency to crack and fall apart. If you see and parts of this bumper falling from your nail gun, it is definitely time to replace it. This includes one (1) plastic piston bumper.

To complete this repair job you should need a screwdriver set.

• Remove the end cover/cap
• Carefully remove the internal components
• Replace the old bumper with a new one
• Reassemble and test the unit

  • Classification: Part
  • Weight: 0.10 lbs.
  • Shipping: Ships Worldwide

Frequently Purchased Together ?

Compatibility

This part will fit the following 10 machines

Metabo HPT (Hitachi)

NR90AE 3-1/2" Round Head Framing Nailer View Diagrams & Manuals
NR90AD Strip Nailer View Diagrams & Manuals
NR90ADPR Strip Nailer View Diagrams & Manuals
NR90AE(S) Strip Nailer View Diagrams & Manuals
NR90AF Strip Nailer View Diagrams & Manuals
NR90ADS1M 3 1/2 Inch Clipped Head Framing Strip Nailer View Diagrams & Manuals
NR90AES1M 3 1/2 Inch Full Head Framing Strip Nailer View Diagrams & Manuals
NR90AFS1M 3-1/2 Inch 28 Offset Round Nailer Wire Weld Strip Framing Nailer View Diagrams & Manuals
NR90AEPR Nailer View Diagrams & Manuals
NR90AE(S1) Nailer View Diagrams & Manuals
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This item works with the following types of products:

  • Nailer Parts

This part replaces obsolete part #: 884959, 884-959

Customer Part Reviews ?

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  • Repair Hitachi air nail gun
    parts ordered came quickly, order was correct, your suggested repair parts did the job. Had the air nail gun working within 10 minutes. Great service
    William - June 18, 2019 Verified Purchase
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    t - t days ago Verified Purchase
    eReplacementParts Team
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    Questions & Answers ?

    Our customer Service team is at the ready daily to answer your part and product questions.

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    We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.

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    Questions & Answers for Piston Bumper


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    Customer Repair Instructions ?

    All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

    Easy 15-30 minutes (3 rated repairs)?

    The driver was returning slow and made strange noise

    Michael - October 26, 2017
    👍 2 of 2 people found this instruction helpful
    Tool Type

    Nailer

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Removed head on gun
    Took out the inner driver wall
    Took out driver
    Then removed broken bumper
    Put back in new bumper make sure bumper is right way it has a bevel to fit on bottom over all it is pretty simple fix gun works like new
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Bumper broke and damage the piston o-ring

    Roberto - August 6, 2018
    👍 1 of 1 people found this instruction helpful
    Tool Type

    Nailer

    Difficulty

    Easy

    Time

    30-60 minutes

    Tools Used

    , Allen wrench

    Remove the front part of the nailer remove the remaining bumper pieces and clean the piston chamber and install the new parts
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Piece itself broke in 2 piece

    andrew - October 24, 2018
    Tool Type

    Nailer

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    , Allen wrench

    Remove 4 bolts from air vent cover
    Remove 4 bolts from top cover
    Pull piston then replace broken w new piece
    Put all back together the same way
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.

    Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.

    Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.

    All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.

    All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.

    Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.

    All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.

    This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.

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