Part Location Diagram of 646281-00 DeWALT Cylinder
See part 14 in the diagram
Replacing your Porter Cable Nailer Cylinder
( Grid squares measure 1x1 inch )

Cylinder 646281-00

Manufactured by:
DeWALT
ERP Number:
ERP10183487
Part Number:
646281-00
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

A Bit Difficult 

15 - 30 mins 

(3 rated repairs) ?

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Product Description

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This is an authentic part that is sourced directly from the original equipment manufacturer for use with DeWALT and Porter Cable nailers. The cylinder is utilized to house the piston and driver assembly. If the part is damaged or is missing, this will provide an identical replacement for the original component that was installed in a new unit. You will need an Allen wrench when replacing this part. It is advisable when removing multiple parts to keep careful track of their order so they can be reassembled correctly. Note, this high-quality plastic cylinder is sold individually. Check the appropriate diagrams for your model toe ensure the correct repair procedure.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Porter Cable
  • DeWALT
  • Craftsman
This part works with the following products:
  • Nailer
Part# 646281-00 replaces these:
P646281-00,

Videos For installing this part.

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Replacing your Cylinder

Customer Part Reviews

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5.0
Average Rating (out of 5):
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★★★★★
(1 Review)
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Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

A Bit Difficult 

15 - 30 mins 

(3 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

Nailer not actuating

Andrew from Clinton, Connecticut

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Remove end cap, remove cylinder
Replace components, clean and oil internal parts
Reassemble. Works great
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Nail driving pin broke and ruined the piston cylinder

Justin from Newark, Delaware

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
1. Removed the four bolts holding on the rear cap.
2. Removed internals.
3. Installed new internals with a light coating of oil.
4. Reinstalled rear cap with new gasket.
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broken piston driver

COLIN from ORRS ISLAND, Maine

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
Watched \"how to repair nailer\" on utube.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP10183487
Manufacturer Part Number: 646281-00
Brand Model Number Description
Craftsman CMPFN16K Nailer - 16ga Strght Fnsh Nlr
DeWALT D51257 Nailer - 16 Gauge Finish Nailer
DeWALT D51257K Nailer - 16 GA Finish Nailer
Porter Cable FN250C Nailer - 16 Ga. 2-1/2&#34 Finish Nailer Kit
Porter Cable FN250CR Nailer - Finish Nailer 16 Gauge