4138143 EFCO Short Block Replaced By 4138707

4138143 EFCO Short Block Replaced By 4138707

Part number:4138707
SKU Number:EFC-4138707
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 4138143 Repair Part

Keep your machine working the way it should: 4138143 EFCO Short Block Replaced By 4138707 is a straightforward replacement option for everyday repairs. Choosing the right replacement helps protect nearby components and keeps your tool running steadily.


When downtime is expensive, having the right part on hand makes maintenance faster and more predictable. It’s a simple way to keep maintenance costs under control while protecting your investment. Match it to your model, complete the replacement, and keep your equipment operating at its best.

Fits Models

This part fits 6 models:

EFCO 401 Trimmer

EFCO 401 Trimmer

View Model
EFCO 350 Trimmer

EFCO 350 Trimmer

View Model
EFCO 450AVS Trimmer

EFCO 450AVS Trimmer

View Model
EFCO 400 Trimmer

EFCO 400 Trimmer

View Model
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Andrew B.
29 Aug, 2024

Excellent replacement part. The 4138143 Efco Short Block Replaced By 4138707 fit perfectly and restored smooth, reliable operation. Shipping was fast and ordering was easy.