Part Location Diagram of 577744-00 DeWALT O Ring
See part 111 in the diagram
( Grid squares measure 1x1 inch )

O Ring 577744-00

Manufactured by:
DeWALT
ERP Number:
ERP10179769
Part Number:
577744-00
Original Equipment Manufacturer ?
  Works with your model  D25303KB2!
$6.16
In Stock
Delivers in 3-5 Business Days!
Minimum Quantity of 2 required

A Bit Difficult 

30 - 60 mins 

(1 rated repair) ?
  Works with your model   D25303KB2!

Product Description

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This is an authentic replacement part manufactured for use with DeWalt rotary hammers. The o-ring is used with several different models and is commonly used to provide spacing or cushioning between part assemblies. This o-ring is available as an individual replacement part, please see model diagram for the o-ring's location and usage.

Troubleshooting

This part works with the following brands:
  • DeWALT
This part works with the following products:
  • Hammer
  • Hammer Drill

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 

30 - 60 mins 

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

Hammer weak

Lorin from AIEA, Hawaii

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
1. Removed hammer head section
2. Cleaned up parts
3. Replace o-rings, oil seal and lubricate moving parts
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP10179769
Manufacturer Part Number: 577744-00
Brand Model Number Description
DeWALT D25101 Hammer Drill - SDS Hammer
DeWALT D25101K Hammer - 1 Sds Hammer
DeWALT D25101KAR Hammer - Hammer
DeWALT D25101KB2 Hammer - Hammer
DeWALT D25101KBR Hammer - Hammer
DeWALT D25103 Hammer Drill - SDS Hammer
DeWALT D25103K Hammer - 1 Sds Hammer
DeWALT D25103KAR Hammer - Hammer
DeWALT D25103KB2 Hammer - Hammer
DeWALT D25103KBR Hammer - Hammer
DeWALT D25111 Hammer Drill - 1" SDS Pistol Grip Hammer
DeWALT D25111K Hammer - 1 Sds Hammer
DeWALT D25113 Hammer Drill - Rotary Hammer
DeWALT D25113K Hammer - Hammer
DeWALT D25113K-AR Hammer - Hammer
DeWALT D25113K-B2 Hammer - Hammer
DeWALT D25113K-BR Hammer - Hammer
DeWALT D25114K-AR Hammer - Rotary Hammer
DeWALT D25201 Hammer Drill - SDS Hammer
DeWALT D25201K Hammer - 1 Sds Hammer
DeWALT D25203 Hammer Drill - SDS Hammer
DeWALT D25203K Hammer - 1 Sds Hammer
DeWALT D25203KAR Hammer - Hammer
DeWALT D25203KB2 Hammer - Hammer
DeWALT D25211 Hammer Drill - Hammer
DeWALT D25211K Hammer - Hammer
DeWALT D25213 Hammer Drill - Hammer
DeWALT D25213K Hammer Drill - Hammer
DeWALT D25213K-B2 Hammer - Hammer
DeWALT D25223K Hammer Drill - 1" D-Handle SDS Rotary Hammer