DWMC150 (Type 1) DeWALT Nailer - Parts
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BUMPER-PISTON STOP
Part #174075
This genuine OEM piston bumper is designed to cushion the piston as it retracts into the cylinder after firing, helping protect your nailer from wear and tear. Made from durable plastic, it’s built to withstand repeated impact—but over time, it can crack, break apart, or fall out due to heavy use. If you notice damage or missing parts, it...Read more’s time for a replacement. This part is sold individually and is not an aftermarket substitute. To install the new bumper, you’ll need a hex key (also known as an Allen wrench). Begin by removing the tool’s cap and accessing the cylinder. Once the piston is removed, you can take out the old bumper and place the new one securely at the bottom of the cylinder. Reassemble the tool by reinserting the piston and cylinder, then fastening the cap back into place with the screws. This quick repair helps restore your nailer’s performance and extend its lifespan.
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SPACER-MAGAZINE
Part #174088
This genuine OEM spacer is designed for use with nailers and serves as a direct replacement for a missing or damaged magazine spacer. Made from durable, high-quality material, it helps ensure proper alignment and function of the magazine assembly. To confirm correct placement and compatibility, be sure to consult your tool’s model diagram...Read more before installation. This part is sold individually, making it easy to replace just what you need without purchasing additional hardware.
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SPACER-EXHAUST COVER
Part #174042
This is an authentic replacement part that has been sourced from the original manufacturer to be used with pneumatic nailers. The cover connects to the exhaust deflector and is used to secure the cover. This item is available as an individual replacement part, please see illustrated diagram for associative parts.
SPRING-COMPRESSION
Part #174051
This genuine OEM compression spring is designed for use in nailers and fits between the deflector seal and the O-ring to help maintain proper tension and alignment. Made of durable metal, it’s built to withstand repeated use, but may need replacement if it becomes bent, broken, or worn out. Installation is simple and may require an Allen ...Read morewrench (hex key), depending on your tool model. This part is sold individually, so you can replace just what you need without purchasing extras. Be sure to consult your tool’s diagram to confirm correct placement and compatibility.
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FOLLOWER-MOVABLE NOS
Part #174081
O-RING-45.5MMX2.0MM
Part #174058
It is a genuine OEM supplied replacement part and is specially designed for Bostitch nailers. The purpose of this o-ring is to provide an air-tight seal for the cylinder, over time it may wear out and begin to crack eventually requiring a replacement. Make sure to refer to the appropriate diagrams of your model for the correct location an...Read mored application of this hardware. Keep in mind this high-quality component is made of durable rubber material and is sold individually.
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SLEEVE-CYLINDER
Part #174059
This is an authentic Bostitch replacement part, sourced from the original manufacturer for use with pneumatic nailers. The metal cylinder sleeve is used as an airtight tube that allows air to push and pull the piston and driver. This cylinder sleeve is available as an individual replacement part.
O-RING-36.0MMX4.0MM
Part #174060
This genuine OEM O-ring is designed to create a tight, reliable seal between rigid parts in pneumatic nailers, helping to maintain proper air pressure and tool performance. With a size of 36 mm x 4 mm, it’s made from flexible, durable material to ensure a secure fit and long-lasting use. Since multiple O-ring sizes are often used within a...Read more single tool, it’s important to consult your model’s manual or diagram to confirm the correct size and placement. This part is sold individually, making it easy to replace only what you need.
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ASSEMBLY-TRIGGER
Part #174072
SCREW-SHCS-M6X1.0X25
Part #174078
This is an original part from Bostitch. The screw (shcs, m6x1.0 x 25) is constructed of hardened metal, and is compatible with a variety of power tools. This item is sold individually. A hex key or Allen wrench is needed for the installation.
COVER-MAGAZINE
Part #174091
This is a genuine Bostitch replacement part that has been sourced from the original manufacturer to be used with pneumatic nailers. The plastic cover is used to as a door used to load nails into the magazine assembly. This item is available as an individual replacement part.
ASSEMBLY-PUSHER
Part #174096