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CMPBN18SB (Type 0) Craftsman Nailer - Overview

Diagrams for CMPBN18SB

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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.
NUT-NYLON M5X.80 – Part Number: MHE5080-100
$6.40
In Stock
NUT-NYLON M5X.80
Part #MHE5080-100
This is an authentic OEM sourced component which is specially made for use with Bostitch and Porter Cable mailers and staplers. It is a standard hardware which has multiple applications, please make sure to check the appropriate diagrams of your model for the correct location and application of this nut. Keep in mind this high-quality item is made of durable metal and is sold indvidually.
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.
NO MAR TIP – Part Number: 9R199845
$6.40
On Order
NO MAR TIP
Part #9R199845
This is a genuine OEM sourced replacement nose cushion/pad. Ii is specially designed for use with Porter Cable nailer. No-mar tip is attached to end of a safety element. This will help to prevent the materialfrom getting marred or dented by the pushing lever. Most people keep a few spare tips on hand as they do have a tendency to crack or get lost. This part is made out of plastic material and it is sold individually. Replacing it no tools would be needed. It simply slides on the safety element.
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.
ASSEMBLY, PISTOM/DRIVER – Part Number: G0205600-K
$15.15
In Stock
ASSEMBLY, PISTOM/DRIVER
Part #G0205600-K
This is a Genuine Manufacturer Approved replacement part designed for Nailers/Staplers. This item is made out of Metal and it is Sold Individually. Please note that it does not include the o-ring (sold separately as part number S06Z000900). 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. To replace this part you would need a Hex Key/Allen Wrench.
O-RING – Part Number: S06P001500
$6.40
In Stock
O-RING
Part #S06P001500
This is a Genuine Manufacturer Sourced replacement part designed for Nailers/Staplers. This O-Ring provides an Air-Tight Seal for the Valve Piston. Over time this O-Ring will shrink, become brittle and crack allowing for air leaks. At that time it should be replaced. It is made out of Rubber and it is Sold Individually. Replacing this item you would need Hex Key/Allen Wrench and Pliers to replace this item.
HEX SOC.HD.BOLT – Part Number: S2710520100
$6.40
Special Order
HEX SOC.HD.BOLT
Part #S2710520100
This is an authentic replacement part manufactured for use with pneumatic fasteners. The hex socket head screw is commonly used to secure the main body or housing. This screw is available as an individual replacement part, please see model diagram for associative parts.
O-RING – Part Number: 851483-S
$6.40
In Stock
O-RING
Part #851483-S
This item has been OEM sourced to ensure a high level of quality. The o-ring is intended to be used with pneumatic nailers from Bostitch, Porter Cable, and DeWalt. The o-ring is used to seal the connection between the nose and the bottom of the cylinder. This item is sold as an individual replacement part.
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.
EXHAUST DEFLECTOR – Part Number: P0590000200
$6.40
In Stock
EXHAUST DEFLECTOR
Part #P0590000200
This is a Genuine OEM sourced replacement part designed for use with Staplers/Nailers. With this Exhaust Cover you can divert the air in any direction you want. It is made out of Plastic and it is Sold Individually. Please note Flange Nut used to secure the Cover is Sold Separately. To replace this item you would need a Hex Key/Allen Wrench.
O-RING – Part Number: S06Z000900
$6.40
In Stock
O-RING
Part #S06Z000900
This is a Genuine Manufacturer Sourced replacement part designed for Nailers/Staplers. This O-Ring provides an Air-Tight Seal for the Driver Unit. Over time this O-Ring will shrink, become brittle and crack allowing for air leaks. At that time it should be replaced. It is made out of Rubber and it is Sold Individually. Replacing this item you would need Hex Key/Allen Wrench and Pliers to replace this item.

Questions And Answers for CMPBN18SB

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Janet - For model number CMPBN18SB
September 15, 2025
the rubber tip that goes against the object being nailed came off the unit. is there a replacement?
Chris Boyle Profile
Hello Janet, thank you for getting in touch. According to our research, the part you are looking for is the no mar tip, part number PS11874992. We hope this helps.
$6.40
On Order
NO MAR TIP
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Common Symptoms of the CMPBN18SB

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