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Part Location Diagram of 166045 DeWALT RING-PISTON
See part 27 in the diagram
( Grid squares measure 1x1 inch )
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RING-PISTON 166045

 Fits your 438S4!
$ Price Match
$ 49.63
  In Stock
Order now and your part arrives by Apr 26
 Fits your 438S4!
PartSelect Number PS12414760
Manufacturer Part Number 166045
Manufactured by DeWALT for Bostitch, Craftsman, DeWALT
Product Description

RING-PISTON Specifications

The ring provides a tight seal between the piston and the cylinder walls. Unfortunately, over time it may wear out causing low compression and diminished performance. It is a genuine OEM supplied item that is made for Bostitch staplers. When replacing this component, refer to the diagrams for your model to ensure the correct repair procedure. Note, this high-quality piston ring is made of durable material and is sold individually. An Allen wrench will be needed to take apart and reassemble the tool when replacing this part.
How Buying OEM Parts Can Save You Time and Money

How Buying OEM Parts Can Save You Time and Money

Why buy the real thing?

OEM stands for Original Equipment Manufacturer. Simply put, this means that the company who made your appliance is also supplying the replacement part for it.

  • OEM from PartSelect
  • Genuine brand name
  • Guaranteed to fit
  • Superior quality and durability
  • 1 year warranty
  • Generic
  • Unknown manufacturer
  • No fit guarantee
  • Inconsistent quality and lifespan
  • Limited warranty and support
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Troubleshooting
This part works with the following products:
  • Nailer
  • Lawn Tractor
Part# 166045 replaces these:
166045
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Model Cross Reference
This part works with the following models:
PartSelect Number: PS12414760
Manufacturer Part Number: 166045
Brand
Model Number
Description
Bostitch
438S2
Nailer - Pneumatic Stapler
Bostitch
438S2-1
Nailer - 16 Gauge Wide Crown Stapler
Bostitch
438S2R
Nailer - Pneumatic Stapler
Bostitch
438S2R-1
Nailer - Pneumatic Stapler
Bostitch
438S4
Nailer - Pneumatic Stapler
Bostitch
438S5
Nailer - Pneumatic Stapler
Bostitch
450S2
Nailer - Pneumatic Stapler
Bostitch
450S2-1
Nailer - 16 GA Wide Crown Lathing Stapler
Bostitch
450S2-2
Nailer - Tacker,s2,2in Max.
Craftsman
917377910
Lawn Tractor - Lawn Tractor
Craftsman
917377960
Lawn Tractor - Lawn Tractor
Craftsman
917377970
Lawn Tractor - Lawn Tractor
DeWALT
DW450S2
- 16ga 1incrw 2in Stap
Customer Service Representative

Get in touch, we're here to help!

1-866-319-8402 Monday to Saturday
8am - 8pm EST

Contact Customer Service