Easy
15-30 minutes
Genuine Bostitch replacement part, this item is sold individually.
The Piston/Driver Assembly is the part of the nail gun that drives the nail into the material that is being used.
To help extend the life of a pneumatic tool use the specified oil in it daily 4-5 Drops will do every time you use it.
The Piston/Driver Assemblies do have a tendency to bend or break if not used correctly or if you are driving nails into extra hard material.
Piston Assembly 180451
OEM part for: Bostitch, DeWALT
Part Number: 180451
$14.35
In Stock
Ships within 1 business day 
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Product Description ?
- Classification: Part
- Weight: 0.04 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 9 machines
Bostitch
BT1855 Oil-Free Brad Nailer View Diagrams & Manuals
BT1855K (Type 0) 18 Gauge Brad Nailer View Diagrams & Manuals
BTFP12233 (Type 1) Smart Point 18 GA Brad Nailer Kit View Diagrams & Manuals
BT1855K (10152000 and Higher) 18ga Brad Nailer - 2 Power Tool View Diagrams & Manuals
BT1855K (12340000 and Higher) 18ga Brad Nailer - 2 Power Tool View Diagrams & Manuals
BTFP12233 (15150000 and higher) 18ga Brad Nailer Kit 2-1 Power Tool View Diagrams & Manuals
BTFP12233 (20003001 AND HIGHER) 18ga Brad Nailer Kit 2-1 Power Tool View Diagrams & Manuals
DeWALT
DWFP12233 (Type 1) 18 Guage Brad Nailer View Diagrams & Manuals
DWFP12233 (20003001) 18 Ga Precision Point Finish Nailer Power Tool View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Nailer Parts
Customer Part Reviews ?
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- 1
Awesome
Got here fast and just as I ordered
Guest -
June 27, 2022
Verified Purchase
Quick repair
Removed four screws pulled old piston and plastic ring on piston. Popped ring on new piston re-inserted piston and replaced screws. Five-minute fix works like new.
Guest -
April 22, 2022
Verified Purchase
Easy repair on a Dewalt 18 gauge nail gun that stopped working after a few uses.
Your video's showed me how to repair the tool and the parts were very reasonably priced. I will use this service again and recommend it for all DIY repairs.
Guest -
June 5, 2020
Verified Purchase
Right stuff right time
I received what I needed quickly, economically and they made it easy to cancel an order I made by mistake.
Robert -
May 21, 2020
Verified Purchase
Easyrepair
Arrived quickly
Guest -
February 22, 2020
Verified Purchase
New part
I recieved the part in a timely manner and it was the exact fit
Guest -
November 20, 2019
Verified Purchase
worked beautifully
Part was a perfect fit and arrived promptly.
Guest -
July 9, 2019
Verified Purchase
t
t
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t days ago
Verified Purchase
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Questions & Answers ?
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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.
Piston driver broken
Hubert - January 28, 2016
👍 11 of 11 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Remove the 4 bolts from the head. The remove the piston/driver from the cylinder. Look for any broken parts or any debris in cylinder. Put the piston ring in the top groove of the piston, lightly oil the piston ring, then insert it into the cylinder. Replace the head with the for bolts, be careful not to damage the head gasket
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The driver broke off the piston
Mark - November 30, 2015
👍 4 of 4 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen wrench
Parts Used
Remove 4 allen screws from head of nailer and remove head.Remove piston and driver from cylinder. Install new piston ring into groove at top of piston and insert into cylinder. Replace head and 4 screws. I'm sure that there's a torque spec for the screws I use the good and tight method. I've never had any problems with reusing the gasket.
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Nail driver piston broke off
Matt - September 11, 2016
👍 3 of 3 people found this instruction helpful
Tool Type
Nailer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Pliers, Wrench Set
Parts Used
Remove 4 screws on top of nail gun, gently pull off top. That will give you access to the part to slide it out and replace.
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Piston driver was broke
Garrett - January 1, 2019
👍 1 of 1 people found this instruction helpful
Tool Type
Nailer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Wrench Set
Parts Used
Removed head screws.
Used new driver to push old out of gun.
Slide new driver into cylinder.
Replace head unit.
Screws back in.
Attach air and test fire.
Used new driver to push old out of gun.
Slide new driver into cylinder.
Replace head unit.
Screws back in.
Attach air and test fire.
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Piston broke
Shelly - January 22, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Wrench Set
Removed the off back plate
Removed the piston/driver, piston ring and o-ring
Installed the the new piston/driver, piston ring and o-ring
Installed back plate
Shoots like a new gun
Removed the piston/driver, piston ring and o-ring
Installed the the new piston/driver, piston ring and o-ring
Installed back plate
Shoots like a new gun
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The nailer was mistakenly oil for an extended period and subsequently damaged the piston and driver,: this is an "oil-less" gun
Paul - May 20, 2021
Tool Type
Nailer
Difficulty
Medium
Time
15-30 minutes
Tools Used
, allen wrench, dental hook
Simply dismantled the head and piston assy., removed the parts, cleaned vey well, greased the parts as required, re-assembled. Works like new. Applied magic marker writing to say "do not oil".
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would not set nails
Robert - February 22, 2021
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
removed srews on to removed old piston and oiled new one sliped it in replaced top works fine
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Broken driver
Jim - December 21, 2019
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen wrench
Parts Used
Removed four screws, removed broken driver, check cylinder for debris, installed seal, added machine oil, reassembled. Works like new.
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Driver broken would not fire or retract
Ramiro - November 7, 2017
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, In board Allen wrench
Parts Used
Unscrewed the top of nailer took out old piston and driver and replaced with the new part worked out like new.
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Would not shoot nails
Dean - September 4, 2017
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Torx head wrench
Parts Used
Remove 4 screws , tap lightly on back of body and out comes the old piston. Replace old piston with the new one but be mindful of the orientation.
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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.
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.
