Part Location Diagram of 163844 DeWALT SPRING, HEAD VALVE
See part 11 in the diagram
Replacing your Bostitch Nailer SPRING, HEAD VALVE
( Grid squares measure 1x1 inch )

SPRING, HEAD VALVE 163844

Manufactured by:
DeWALT
ERP Number:
ERP18980037
Part Number:
163844
Original Equipment Manufacturer ?
  Works with your model  F33PT!
$6.16
Special Order
Minimum Quantity of 2 required

Easy 

15 - 30 mins 

(1 rated repair) ?
  Works with your model   F33PT!

Product Description

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This authentic manufacturer-sourced part is made for use with Bostitch nailers. The spring applies tension on the head valve. Over time it will wear out and it may begin to stretch eventually requiring a replacement. This high-quality spring is made of durable metal and is sold as an individual item. Check the appropriate diagrams for your model to ensure the proper repair procedure. A screwdriver will be needed to replace this hardware.

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# 163844 replaces these:
163844, P163844,

Videos For installing this part.

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Replacing your SPRING, 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 

15 - 30 mins 

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

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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Model Cross Reference

This part works with the following models:
ERP Number: ERP18980037
Manufacturer Part Number: 163844
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