3912012 EFCO Nut

3912012 EFCO Nut

Part number:3912012
SKU Number:EFC-3912012
Warranty:1 Year
Fits Models:View Models List

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$8.84

Efco 3912012 Repair Part

If your equipment isn’t performing like it used to, swapping in 3912012 EFCO Nut is a fast way to get back on track. It’s made to match the intended form and fit so your repair feels like a proper solution not a workaround.


Repair-first decisions usually win: they cost less, waste less, and keep your current machine in service longer. It’s a straightforward purchase that supports long-term ownership. Match it to your model, complete the replacement, and keep your equipment operating at its best.

Fits Models

This part fits 10 models:

EFCO 8510-IC Trimmer

EFCO 8510-IC Trimmer

View Model
EFCO 8742-BAV Trimmer

EFCO 8742-BAV Trimmer

View Model
EFCO 8420 Trimmer

EFCO 8420 Trimmer

View Model
EFCO 8750-T Trimmer

EFCO 8750-T Trimmer

View Model
Customer Reviews (2)
5 out of 5
2 reviews
5 stars
100%
4 stars
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3 stars
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2 stars
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1 stars
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Easy to use
Durability
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Kevin S.
22 Oct, 2025

Solid, dependable replacement. The 3912012 Efco Nut fit correctly and feels durable. Very happy with this purchase.

Alan A.
03 Aug, 2025

Very intuitive to install.