Easy
15-30 minutes
This item has been sourced from the original manufacturer to be used with pneumatic nailers from Hitachi. The guard attaches to the side of the nailer's nose and is used to protect the nose assembly. This item will require a hex driver to install and it is sold as an individual part.
Guard 878151
OEM part for: Metabo HPT (Hitachi)
Part Number: 878151
$6.57
Usually ships in 7 - 12 business days
Leaves our warehouse within 7 - 12 business days
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Frequently Purchased Together ?
Compatibility
This part will fit the following 5 machines
Metabo HPT (Hitachi)
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This item works with the following types of products:
- Nailer Parts
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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.
driver not returning,nails not feeding
Robert - January 9, 2019
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, allen wrenches,hammer.punch
1 remove head cap to replace driver o-ring. 2 remove nose piece to replace bumper sheet. 3 remove guard and pin to replace feeder spring.4 replace guard
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Roofing nail gun was bought at pawn shop and had parts missing.
Sam - December 8, 2016
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen wrench, awl
REPLACE LEAKING O-RING
(1) I removed the 4 hex screws holding the piston cap
(2) Removed cap
(3) Turned nailer upside down and shook out the plunger
(4) Removed worn O-ring, I used an awl to pry the ring off
(5) Replaced with new O-ring
(6) Slide piston back into nailer making sure to line up the blade with the hole. NOTE: The blade will only fit one way.
(6) Reinstalled piston cap
(7) Tightened down 4 hex screws
INSTALL MISSING PARTS
(1) Installed Feeder Spring using hinge pin and retainer
(2) Installed Guard and replaced the missing 2 hex screws
(1) I removed the 4 hex screws holding the piston cap
(2) Removed cap
(3) Turned nailer upside down and shook out the plunger
(4) Removed worn O-ring, I used an awl to pry the ring off
(5) Replaced with new O-ring
(6) Slide piston back into nailer making sure to line up the blade with the hole. NOTE: The blade will only fit one way.
(6) Reinstalled piston cap
(7) Tightened down 4 hex screws
INSTALL MISSING PARTS
(1) Installed Feeder Spring using hinge pin and retainer
(2) Installed Guard and replaced the missing 2 hex screws
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Thanks for voting and helping fellow customers!
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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.
