Usher Gascolator 6

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Part# 05-15140
MFR Model# GAS6


Can be used on fuel injection systems up to 50 psi .Anodized inside and out to prevent corrosion. Has two 1/4" NPT ports for 3/8" fuel line, a 1/8" primer port, and a 1/8" NPT drain valve port. Comes with firewall mount.

118 microns


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Nice quality gascolator.

Anthony R Verified Purchase


September 7, 2021

Was backordered, so I had to wait. But when it arrived, I was happy I ordered it. I was replacing an older glass gascolator on my Cassutt which had seen better days. Mounting and installation were straight forward. Worked and is working as expected. It is well made and looks like it will provide years of service.

May 15, 2017

After installation, I get a 4 PSI pressure drop on takeoff. Do not know why yet, I have to use the boost pump. Cruise power is ok.

Martin D
August 14, 2020


Please note, Aircraft Spruce'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. Aircraft Spruce 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: What is the difference between the Usher 5 gascolator (p/n 05-00632) and the Usher 6 gascolator (p/n 05-15140)?

Per the manufacture: We made some minor modifications to the GAS5 and it is now called the GAS6. The difference is to the top of the Gascolator. On the interior of the top we modified some features for better flow and also to more efficiently capture loose impediments. On the outside of the top we reduced the width by 1/8" on one side to reduce weight.

Q: What is the weight of the USHER gascolator 6?

0.59 lbs approximately.

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