3933100R EFCO Nut Replaced By 3914003R

3933100R EFCO Nut Replaced By 3914003R

REPLACED BY:
3933100R has been replaced by: 3914003R
Part number:3914003R
SKU Number:EFC-3914003R
Warranty:1 Year
Fits Models:View Models List

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On Qualifying Orders of $50 or More

$8.84

Efco 3933100R Repair Part

When a worn component starts to drag performance down, 3933100R EFCO Nut Replaced By 3914003R is a practical fix that restores confidence in your setup. A correctly matched part can reduce vibration, inconsistency, and the small issues that add up during use.


Small fixes can make a big difference, and a proper replacement helps you get full value from your equipment. It’s an efficient fix that keeps your machine earning its keep. Match it to your model, complete the replacement, and keep your equipment operating at its best.

Fits Models

This part fits 24 models:

EFCO 152 ChainSaw

EFCO 152 ChainSaw

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EFCO 999/ 999-F ChainSaw

EFCO 999/ 999-F ChainSaw

View Model
EFCO 952 ChainSaw

EFCO 952 ChainSaw

View Model
EFCO MT-3600 ChainSaw

EFCO MT-3600 ChainSaw

View Model
Customer Reviews (2)
5 out of 5
2 reviews
5 stars
50%
4 stars
50%
3 stars
0%
2 stars
0%
1 stars
0%
Easy to use
Durability
Value for money
Share your thoughts
Ace N.
06 Aug, 2025

No tools required – plug and play.

Adam N.
01 Jan, 2024

Good quality and correct fit for EFC-3933100R. The 3933100R Efco Nut Replaced By 3914003R installed smoothly and fixed the issue. I just took a little extra time to confirm compatibility.