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Gasohol Aircraft Fuel Tester

$5.95/Each
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Part# 05-03439
MFR Model# 391S

Overview

This compact fuel tester / double tip screwdriver combo measures the presence and percentage of alcohol in gasoline, and tightens errant screws.

Reviews

Apparently after 20 years with the same one I somehow let it fall out of the plane then drove over it. Replaced with this one all I wanted was a easy way to check for water and trash and does it works just fine.

Joe I Verified Purchase

391S GASOHOL TESTER

December 21, 2021

works as it should, I like the shorter size.

Dwayne H Verified Purchase

391S GASOHOL TESTER

December 18, 2021

Bonaert C Verified Purchase

391S GASOHOL TESTER

December 7, 2021

Best screwdriver in my tool box ! Harden tip!

Guillaume L Verified Purchase

391S GASOHOL TESTER

September 29, 2021

works great, fits in my Starbucks sump drain bottle

Michael S Verified Purchase

391S GASOHOL TESTER

August 16, 2021

Good size, and best of all matches the color of my J2

Matthew G Verified Purchase

391S GASOHOL TESTER

June 23, 2021

Handy size for a single drain plane like the Cub - nice matching color too

Matthew G Verified Purchase

391S GASOHOL TESTER

June 7, 2021

Fast shipping and as described. this is a shorter gasohol tester than Ive had before, but will work just as well as my old one from the 1970s

Ken G
July 23, 2019

Perfect , works great for a DA40.. no pin required !

Barrie D
May 18, 2019

Simple device and meets my needs and cost was good

Duke
April 4, 2019

Q&A

Please note, Pilotshop's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Pilotshop assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Which kind of material the gasohol tester made of?

The body is plastic and the phillips head tip is steel.