099900126 EFCO O-Ring

099900126 EFCO O-Ring

Part number:099900126
SKU Number:EFC-099900126
Warranty:1 Year
Fits Models:View Models List

Discontinued

There is no available substitute by the factory. This part is no longer supported. Sorry, we cannot help.
There is no known alternate available. We have no part available to offer you as a replacement.

Efco 099900126 Repair Part

For a repair you can feel good about, 099900126 EFCO O-Ring offers the right mix of fit, value, and dependable results. Choosing the right replacement helps protect nearby components and keeps your tool running steadily.


A replacement part is often the smartest path especially when the rest of the equipment is still in good shape. It’s a straightforward purchase that supports long-term ownership. Verify compatibility with your model before ordering, then install with standard tools and get back to work with confidence.

Fits Models

This part fits 1 models:

EFCO 999/ 999-F ChainSaw

EFCO 999/ 999-F ChainSaw

View Model
Customer Reviews (2)
5 out of 5
2 reviews
5 stars
50%
4 stars
50%
3 stars
0%
2 stars
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1 stars
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Easy to use
Durability
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Share your thoughts
James J.
02 Nov, 2025

Good quality and correct fit for EFC-099900126. The 099900126 Efco Oring installed smoothly and fixed the issue. I just took a little extra time to confirm compatibility.

Harmony U.
22 Apr, 2025

The part was exactly what I needed. Installation instructions were clear.