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Dynabrade 57890 isolator post, small metal cylinder with threaded end

DYNABRADE

DYNABRADE 57890 Isolator Post Mini Dynabug hardware

SKU CH-NV4G-KGRX3

Isolator post for Dynabug II Series pneumatic sanders, part 57890

  • Product typeAir Compressor Repair Kits
  • Genuine Dynabrade replacement part ensures precise fit
  • Designed for Dynabug II series orbital sanders
  • Restores vibration isolation for smoother operation
  • New factory component ready for immediate installation

Dynabrade 57890 Isolator Post

The Dynabrade 57890 isolator post is a replacement hardware component designed for the Dynabug II series of air tools. It serves as a direct fit part for maintaining or repairing the vibration isolation system on these specific pneumatic sanders.

Installing the isolator post

Installation involves fitting the post into the designated mount on the Dynabug II housing, typically requiring basic hand tools for disassembly and reassembly. A common issue arises if the mating surfaces are worn or contaminated, preventing the post from seating fully and reducing its ability to dampen vibration effectively.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 60% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand nameDYNABRADE
Product typeAir Compressor Repair Kits

Questions about this item

How can I confirm the 57890 isolator post is installed correctly on my Dynabug II?

The post should seat firmly in the Dynabug II housing with no lateral play, and the tool must run without excessive vibration or rattling during operation.

What comes in the box with the 57890 and do I need any extra parts for my Dynabug II?

The package contains the isolator post only; no additional hardware is required for installation on a compatible Dynabug II model.

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