Watch the install video
18979592-1-M-DeWALT-105043-BUMPER
Part Location Diagram of 105043 DeWALT BUMPER
See part 62 in the diagram
Replacing your Bostitch Nailer BUMPER
( Grid squares measure 1x1 inch )
18979592-1-S-DeWALT-105043-BUMPER 18979592-2-S-DeWALT-105043-BUMPER 18979592-3-S-DeWALT-105043-BUMPER Part Location Diagram of 105043 DeWALT BUMPER Replacing your Bostitch Nailer BUMPER

BUMPER 105043

$21.24
In Stock
Fix Number:
FIX18979592
Manufacturer #:
105043
Manufactured by:
DeWALT

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Product Description

This is a Genuine Manufacturer Sourced replacement part used on certain Bostitch Stapler/Nailer. This item is made out of Resin and it is sold individually. The purpose of this Piston Bumper is to keep the piston from hitting the bottom of the cylinder and damaging it. 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.

  • Works with the following brands:
    Bostitch
  • Works with the following products:
    Nailer, Miscellaneous
  • Part# 105043 replaces these:
    105043, P105043
Works with the following brands:
Bostitch
Works with the following products
Nailer, Miscellaneous
Part Number Cross Reference
Part# 105043 replaces these:
105043, P105043

Videos For installing this part.

Replacing your BUMPER

Replacing your BUMPER

Questions and Answers

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O-RING-1.287 X .210
$4.10
Special Order
Part Number: FIX12409674
This is an authentic manufacturer sourced replacement part designed for use with Bostitch staplers/nailers. It helps to provide an air tight seal for the poppet. It is made out of rubber material and it is sold individua...
SEAL
$2.99
In Stock
Part Number: FIX12423278
This replacement seal is an authentic Bostitch replacement item. It is supplied from original equipment manufacturer for use with Bostitch nailers/staplers. This item provides and ait tight seal for the poppet. Over time...
REPAIR KIT
$25.22
In Stock
Part Number: FIX18997085
This is an authentic replacement part manufactured for use with Bostitch pneumatic nailers. O-rings can wear out over time and can cause air leaks that detract from the nailer's performance. This o-ring kit is available ...
DRIVER
$23.43
In Stock
Part Number: FIX12398516
This OEM sourced replacement part designed for Bostitch nailer. Thedriver is the part of the nail gun that drives the piston. The drivers do have a tendency to bend or break if not used correctly or if you are driving na...
Affresh Dishwasher Cleaner Tablets - 6
$21.89
In Stock
Part Number: FIX12345667
Affresh dishwasher Cleaner is specially formulated to help remove limescale and mineral build-up that can be unsightly and could affect your dishwasher's performance. Each tablet is designed to clean inside your machine ...
Affresh Washing Machine Cleaner - 3 pack
$19.89
In Stock
Part Number: FIX1960673
This washing machine cleaner includes three time-release tablets designed to remove odor-causing residues, grime, and buildup from high-efficiency and top-load washing machines. The tablets work by cleaning the tub, pump...
Produce Preserver Filter
$17.75
In Stock
Part Number: FIX3503014
Fresh Flow Produce Preserver is made for your refrigerator to help keep produce fresh for longer by absorbing the chemical, ethylene, that causes your fruits and vegetables to ripen quicker. Your produce could be fresh f...
Affresh Washing Machine Cleaner Tablets – 6 Count
$27.87
In Stock
Part Number: FIX12345661
This Affresh Washing Machine Cleaner deep cleans to help remove the odor-causing residues and grime that daily loads leave behind. The time-release tablets are EPA Safer Choice certified, septic-safe and designed to clea...
Refrigerator Deodorizer
$29.78
In Stock
Part Number: FIX12739141
Refrigerator deodorizers help to reduce bacteria growth and therefore reduce smells and extend the life of food.
Affresh Ice Machine Cleaner
$26.87
In Stock
Part Number: FIX12583750
This nickel-safe, unscented ice machine cleaner measures 16 fluid ounces and is used to remove mineral build-up and hard water and is compatible with several makes and models of freestanding ice machines. To use properly...
Produce Preserver Filter
$17.75
In Stock
Part Number: FIX3503014
Fresh Flow Produce Preserver is made for your refrigerator to help keep produce fresh for longer by absorbing the chemical, ethylene, that causes your fruits and vegetables to ripen quicker. Your produce could be fresh f...
Affresh Washing Machine Cleaner Tablets – 6 Count
$27.87
In Stock
Part Number: FIX12345661
This Affresh Washing Machine Cleaner deep cleans to help remove the odor-causing residues and grime that daily loads leave behind. The time-release tablets are EPA Safer Choice certified, septic-safe and designed to clea...
Refrigerator Deodorizer
$29.78
In Stock
Part Number: FIX12739141
Refrigerator deodorizers help to reduce bacteria growth and therefore reduce smells and extend the life of food.
Affresh Ice Machine Cleaner
$26.87
In Stock
Part Number: FIX12583750
This nickel-safe, unscented ice machine cleaner measures 16 fluid ounces and is used to remove mineral build-up and hard water and is compatible with several makes and models of freestanding ice machines. To use properly...
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Model Compatibility

This part works with the following models:
Fix Number: FIX18979592
Manufacturer Part Number: 105043
Brand Model Number Description
Bostitch MIIIFN Nailer - Nailer
Bostitch MIIIFS Nailer - Stapler
BUMPER
$ 21.24
  In Stock
Stock Status
 In Stock

Item is in stock and will ship today if your order is placed before 4:00 PM Eastern Standard Time.

If your order is placed after 4:00 PM EST, the in stock items will ship on the next business day.

 On Order

Item is not in stock and usually ships 3-5 business days from the time you place your order.

 Special Order

Item is not in stock and usually ships 10-15 business days from the time you place your order.

 NLA - No Longer Available

This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.