Easy
30-60 minutes
This is a genuine Bostitch replacement part. The plunger is supplied from the original equipment manufacturer for use with pneumatic nailers and staplers. It is an important component which pushes the driver. Over time it may wear out or get damaged eventually requiring a replacement. Note, this high-quality component is made of durable metal and is sold individually. Make sure to check the appropriate diagrams of your specific model to ensure the correct replacement procedure. You may need a screwdriver and pliers to take the tool apart to perform this repair.
Stem,plunger - Mii BC703
OEM part for: Bostitch, DeWALT
Part Number: BC703
$24.05
In Stock
Order within the next 12 hours and your part ships today! 
Jump To:
Frequently Purchased Together ?
Compatibility
This part will fit the following 14 machines
Bostitch
MIIIFS Stapler View Diagrams & Manuals
MIIIFN Nailer View Diagrams & Manuals
MIII812CNCT Pneumatic Tool View Diagrams & Manuals
MIIIFN (121530000 and Higher) Flooring Nailer Power Tool View Diagrams & Manuals
MIIIFN (17030000) Flooring Nailer Power Tool View Diagrams & Manuals
MIIIFN (Type 0) Flooring Nailer Power Tool View Diagrams & Manuals
MIIIFS (121530000 and Higher) Flooring Stapler Power Tool View Diagrams & Manuals
MIIIFS (17030000 and Higher) Flooring Stapler Power Tool View Diagrams & Manuals
MIIIFS (Type 0) Flooring Stapler Power Tool View Diagrams & Manuals
MIII812CNCT (Type 0) Misc Tool Power Tool View Diagrams & Manuals
DeWALT
DWMIIIFS (Type 1) 15.5ga Floor Staplr View Diagrams & Manuals
DWMIIIFN (Type 0) 16 Ga L Cleat Flr Na View Diagrams & Manuals
DWMIIIFN (17030000 and Higher) 16 Ga L Cleat Flr Na Power Tool View Diagrams & Manuals
DWMIIIFS (17030000 and Higher) 15.5ga Floor Staplr Power Tool View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Stapler Parts
- Nailer Parts
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Stem,plunger - Mii
No questions have been asked yet
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.
Strikers would stick
Russell - October 6, 2021
Tool Type
Stapler
Difficulty
Easy
Time
1-2 hours
Tools Used
, Allen wrenches adjustable wrench
Would not move freely visual inspection indicated mushrooming of part
First fail debris in tool
The bumper had disintegrated cleaned and replaced then tool would jam
Tore down entire to find worn part
First fail debris in tool
The bumper had disintegrated cleaned and replaced then tool would jam
Tore down entire to find worn part
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Stem plunger broken.
curtis - November 21, 2017
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers, Hex wrench
Parts Used
1. Took the stapler apart.
2. Changed the plunger.
3. Put the stapler back together.
2. Changed the plunger.
3. Put the stapler back together.
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.
