Part Location Diagram of 163823 DeWALT SEAL, HEAD VALVE
See part 14 in the diagram
Replacing your Bostitch Nailer SEAL, HEAD VALVE
( Grid squares measure 1x1 inch )

SEAL, HEAD VALVE 163823

Manufactured by:
DeWALT
ERP Number:
ERP18980032
Part Number:
163823
Original Equipment Manufacturer ?
  Works with your model  F33PTSM!
$6.16
In Stock
Delivers in 3-5 Business Days!
Minimum Quantity of 2 required

Easy 

30 - 60 mins 

(2 rated repairs) ?
  Works with your model   F33PTSM!

Product Description

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This item has been sourced from the original manufacturer to be used with pneumatic nailers from Bostitch. The head valve seal is used to prevent air from leaking between the cylinder and the head valve. This item is available as an individual replacement part.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Bostitch
This part works with the following products:
  • Nailer
Part# 163823 replaces these:
163823, P163823,

Videos For installing this part.

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Replacing your SEAL, HEAD VALVE

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.

Easy 

30 - 60 mins 

(2 rated repairs) ?
  • 1
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Leaking air from the head

Nicholas from North Wildwood, New Jersey

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Parts Used:
163844, 163823, 163822, 163821, 163820, 105814
Removed the head and all internal parts. Placed them in order of removal on workbench and installed new parts in reverse order. The only problem was I forgot to purchase a tube of o ring lube. I had some laying around.
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Nail gun wouldn\'t fire

Robert from Everett, Pennsylvania

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Wrench (Adjustable)
Disassembled the gun, replaced necessary O rings and bumper, reassembled.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP18980032
Manufacturer Part Number: 163823
Brand Model Number Description
Bostitch F21PL Nailer - Pneumatic Stick Nailer
Bostitch F21PL2 Nailer - Pneumatic Stick Nailer
Bostitch F28WW Nailer - Pneumatic Stick Nailer
Bostitch F33PT Nailer - Pneumatic Stick Nailer
Bostitch F33PTSM Nailer - Stick Nailer
Bostitch N89C Nailer - Framing Nailer
Bostitch N89C-1 Nailer - Coil Framing Nailr
Bostitch N89C-1P Nailer - Heavy Duty Pallet, Fence Nailer
Bostitch N89C-HQ Nailer - Framing Nailer
Bostitch N89RH17 Nailer - Pneumatic Stick Nailer
Bostitch N89RH17-1 Nailer - Nailer
Bostitch N89RH17-2MCN Nailer - Pneumatic Stick Nailer