Medium
30-60 minutes
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.
O-ring 986104
OEM part for: Metabo HPT (Hitachi)
Part Number: 986104
$4.99
In Stock
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Product Description ?
- Classification: Part
- Weight: 0.01 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 38 machines
Metabo HPT (Hitachi)
DH38YE 1-1/2" Rotary Hammer, 2-Mode, Spline Shank View Diagrams & Manuals
DH40FR 1-9/16" Spline Shank Rotary Hammer View Diagrams & Manuals
DH40MRY 1-9/16" SDS Max UVP Rotary Hammer View Diagrams & Manuals
DH50MB 2" SDS Max Shank Rotary Hammer View Diagrams & Manuals
DH40FA Hammer Drill View Diagrams & Manuals
DH40MR 1-9/16" SDS Max Rotary Hammer View Diagrams & Manuals
DH38YF SPLINE 1/2" Rotary Hammer View Diagrams & Manuals
DH40FB SPLINE 1-9/16" Rotary Hammer View Diagrams & Manuals
DH40MA SDS MAX 1-9/16" Rotary Hammer View Diagrams & Manuals
DH40MB SDS MAX 1-9/16" Rotary Hammer View Diagrams & Manuals
DH40RMY SDS MAX 1-9/16" Rotary Hammer View Diagrams & Manuals
H45MA SDS MAX Demolition Hammer View Diagrams & Manuals
H45SB Hammer View Diagrams & Manuals
H45SB2 3/4" HEX 21/32" Round Demolition Hammer 8AMP View Diagrams & Manuals
DH38MS Rotary Hammer View Diagrams & Manuals
DH38YE2 Rotary Hammer View Diagrams & Manuals
DH50MRY Rotary Hammer View Diagrams & Manuals
H41MB Hammer Drill View Diagrams & Manuals
DH36DMAQ2M 36v Mv 1 9/16 Inch Sds Max Variable Speed, Roto Hammer With Rfc, Bare Tool View Diagrams & Manuals
DH38YE2M 1 1+a71:b73pline Rotary Hammer, 8.4 Amp 2-Mode View Diagrams & Manuals
DH40MCM 1-9/16 Inch Sds Max Rotary Hammer With Case View Diagrams & Manuals
DH40MEYM 1-9/16 Inch Ac Brushless, Ahb, Ac/Dc, Sds Max Rotary Hammer With Uvp View Diagrams & Manuals
DH52MEM 2 1/16 Inch Ac Brushless, Ahb, Ac/Dc, Sds Max Rotary Hammer View Diagrams & Manuals
DH52MEYM 2 1/16 Inch Ac Brushless, Ahb, Ac/Dc, Sds Max Rotary Hammer With Uvp View Diagrams & Manuals
H41MB2M 12lb, 8.4 Amp, Sds Chipping Hammer With Low Vibration Handles View Diagrams & Manuals
H60MEYM 20 Lb. Ac Brushless Ac\\dc Ahb, Uvp, Sds Max Demolition Hammer View Diagrams & Manuals
H41 Hammer Drill View Diagrams & Manuals
H41SD Hammer Drill View Diagrams & Manuals
DH28Y Hammer Drill View Diagrams & Manuals
DH40MC Rotary Hammer View Diagrams & Manuals
DH40MEY Rotary Hammer View Diagrams & Manuals
DH40SA Hammer Drill View Diagrams & Manuals
DH40YB Hammer Drill View Diagrams & Manuals
DH52ME Rotary Hammer View Diagrams & Manuals
DH52MEY Rotary Hammer View Diagrams & Manuals
H41SA Hammer Drill View Diagrams & Manuals
H41SC Hammer Drill View Diagrams & Manuals
H60MEY Rotary Hammer View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Rotary Hammer Parts
- Drill Parts
- Hammer Drill Parts
- Demolition Hammer Parts
This part replaces obsolete part #: 986·104
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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.
The hammer drill would not hammer
William - April 3, 2020
Tool Type
Hammer Drill
Difficulty
Hard
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, Adjustable Wrench
Parts Used
After installing the new parts the hammer drill still did not hammer.
I called a technician who advised me that excess grease would stop the hammer function. I removed the excess grease and Walla! It hammers now!
I called a technician who advised me that excess grease would stop the hammer function. I removed the excess grease and Walla! It hammers now!
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Rotohammer was no longer hitting - broken connecting rod
Craig - July 23, 2017
Tool Type
Rotary Hammer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Torx drivers, small hammer, reversible snapring pliers
1, Removed access covers
2. Remove hammer/drill selector lever
3. Remove front end and internals from housing back to the piston crank
4. Install piston on connecting rod using new wrist pin and O-ring
5. Install front end internals into front housing being careful to insert piston in barrel
6. Install hammer/drill selector lever
7. Add grease
8. Install access covers and test unit
2. Remove hammer/drill selector lever
3. Remove front end and internals from housing back to the piston crank
4. Install piston on connecting rod using new wrist pin and O-ring
5. Install front end internals into front housing being careful to insert piston in barrel
6. Install hammer/drill selector lever
7. Add grease
8. Install access covers and test unit
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Would not shoot
STEVE - February 24, 2017
Tool Type
Nailer
Difficulty
Medium
Time
30-60 minutes
Tools Used
, Allen wrench
Remove the top cap, replace head valve to solve problem, replace o-rings to avoid any leaks. Cleaned and oiled the internal parts.
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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.
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