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DWFP1838R (Type 1) DeWALT Nailer - Overview

Diagrams for DWFP1838R

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HEAD VALVE BODY – Part Number: 180450-S
$6.40
In Stock
HEAD VALVE BODY
Part #180450-S
This head valve body regulates airflow within pneumatic nailers, helping generate the pressure needed to drive fasteners effectively. Built from durable materials, it supports consistent tool performance. Replacing a worn or faulty valve can resolve issues such as air leaks, reduced driving power, or failure to fire, restoring reliable operation.
PISTON RING – Part Number: N905972
$6.40
In Stock
PISTON RING
Part #N905972
Genuine OEM replacement part, this item is sold individually. The purpose of this part is to keep air pressure in the cylinder of the tools listed below. If you have an air leak in your pneumatic tool it is a good practice to replace the O-ring and seals.
O RING – Part Number: 180448
$6.40
In Stock
O RING
Part #180448
This is an authentic Bostitch replacement part used on specific Nailers. This is a Rubber Ring and it is sold individually. O-rings are designed to withstand thousands of pounds of pressure by creating a seal between two or more parts.
SPRING – Part Number: 180527
$6.40
In Stock
SPRING
Part #180527
This is an authentic replacement part that has been sourced from the original manufacturer to be used with pneumatic fasteners from Bostitch, Porter Cable, and DeWalt. The metal spring is part of the magazine assembly and is used to provide tension on the pusher that moves nails or staples toward the nose of the fastener. This spring is available as an individual replacement part.
WASHER FLAT – Part Number: 180449
$6.40
In Stock
WASHER FLAT
Part #180449
This is an authentic OEM product which is designed for Bostitch, DeWALT and Porter Cable nailers and staplers. It provides a tight seal for the valve piston. Over time the material may wear down causing air leaks. To replace this flat washer you will need a screwdriver and pliers. This item is sold individually and is made of durable material. Check the diagrams of your model for the proper installation.
No Mar Contact Pad – Part Number: 179760
$6.40
In Stock
No Mar Contact Pad
Part #179760
Protect finished surfaces while fastening with this no-mar contact pad, designed to fit over the nose of the tool and help prevent dents, scratches, and other marks caused by the contact tip. Made from durable protective material, it acts as a cushion between the tool and the workpiece, helping maintain a clean, professional finish on trim, moulding, and other delicate surfaces. Because no-mar pads can wear out, crack, or become lost over time, replacing a damaged pad helps maintain surface protection and consistent results. Installation is quick and typically involves attaching the pad directly to the nose of the tool without the need for additional tools.
GASKET-END CAP – Part Number: 180463
$6.40
In Stock
GASKET-END CAP
Part #180463
It is a genuine manufacturer-approved replacement gasket which is specially produced for use with Bostitch nailers and staplers. This gasket provides an air-tight seal for the end cap. over time it may wear out and crack eventually requiring a replacement. It is a high-quality component which is made of durable composite material and it is sold individually.
1/4 SWIVEL FITTING – Part Number: 175545
$10.26
Special Order
1/4 SWIVEL FITTING
Part #175545
O-RING-44.7MMX2.4MM – Part Number: 180459
$6.40
In Stock
O-RING-44.7MMX2.4MM
Part #180459
This replacement part is supplied directly from the original equipment manufacturer for use with Bostitch nailers and staplers. It is utilized to provide an air-tight seal for the cylinder sleeve, please refer to the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this durable part is made of high-quality rubber and is sold individually.
SCREW-SHCS-M4X0.7X16 – Part Number: MSC4070-16
$6.40
In Stock
SCREW-SHCS-M4X0.7X16
Part #MSC4070-16
This replacement screw is a high quality item that has multiple uses depending on the model of your tool, please make sure to check appropriate diagrams for correct location and use of this hardware. It is a genuine screw that is sourced directly from original equipment manufacturer for use with nailers and staplers. Note this durable metal hex socket head screw is included per order.
END CAP – Part Number: 180465
$10.17
In Stock
END CAP
Part #180465
This is a genuine manufacturer-sourced component which is specially designed for use with Bostitch nailers and staplers. It provides an identical replacement for a missing or a faulty end cap that was installed on a new unit. Make sure to check the owner's manual and the appropriate diagrams for your model for the correct location and application of this component. Keep in mind this high-quality end cap is made of durable materials and is sold individually.
SPRING – Part Number: 180447
$6.40
In Stock
SPRING
Part #180447
This is a genuine OEM sourced part that is intended to be used with pneumatic nailers and staplers from Bostitch, Porter Cable, and DeWalt. The metal spring is used to provide compression between the piston head valve and the end cap assembly. This item is sold as an individual replacement part.

Common Symptoms of the DWFP1838R

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Broken magazine end cap prevents magazine from latching closed
1 person found this instruction helpful.
  • Matthew from Morton Grove, IL
  • Difficult
  • 30 - 60 mins
1. Use belt clip on staple gun to hold in place on workbench.
2. Use a hammer with a punch or small screwdriver to hit the two pins holding the end cap to the magazine. Repeat ad nauseum with as much force as you can muster until both pins come out and the broken end cap can be removed.
3. Align new end cap on magazine and use s ame procedure to drive pins. Exercise caution with the shorter of the two pins. If not perfectly aligned, the plastic tabs on the end cap can easily break off.
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