3914003 EFCO Nut Replaced By 3914003R

3914003 EFCO Nut Replaced By 3914003R

Part number:3914003
SKU Number:EFC-3914003
Warranty:1 Year
Fits Models:View Models List

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Efco 3914003 Repair Part

For a repair you can feel good about, 3914003 EFCO Nut Replaced By 3914003R offers the right mix of fit, value, and dependable results. This is the kind of maintenance move that pays off in reliability when you need it most.


When downtime is expensive, having the right part on hand makes maintenance faster and more predictable. It’s an efficient fix that keeps your machine earning its keep. Confirm fitment first, then enjoy a straightforward swap that helps restore performance and peace of mind.

Fits Models

This part fits 86 models:

EFCO 8410-S Trimmer

EFCO 8410-S Trimmer

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EFCO 956 ChainSaw

EFCO 956 ChainSaw

View Model
EFCO 932 ChainSaw

EFCO 932 ChainSaw

View Model
EFCO DS-3600-4S Brushcutter

EFCO DS-3600-4S Brushcutter

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
Alan A.
03 Aug, 2025

No extra hardware needed - it all matched up.

Eric E.
01 Feb, 2024

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