Alcor By Tempest Vernier Mixture Control

Part# 10-01020
MFR Model# 93882


Provides the ability to precisely lean in seconds.
PMA/FAA approved.
California Prop 65 Warning Symbol

WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.


  • Size:112 L
  • Alcor P/N: 93882


Looks good . Just now getting around to installing.

January 13, 2021

Easily run as the housing is the same diameter as the OEM. Both nuts at the control end are adjustable making installation easier.

March 25, 2019

There was a little work enlarging the hole in the instrument pane,l other than that it fit my PA-28-140 like a glove. Great value for the money.

Cliff Y
May 11, 2018

Clear installation instructions

John P
April 13, 2019


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: Is this control teflon lined?

Per the Alcor website, yes, this is Teflon lined.

Q: For what aircraft models / SN is this approved?

This unit is FAA/PMA'd, but does not have an STC with specific aircraft application information. It has a solid wire end which can be trimmed to size. A 337 field approval my be required using this to replace OEM cables. 8130 forms can be provided.

Q: Can this cable be shortened in the field?

Yes, it can be shortened to the desired length.

Q: What size hole is required in the panel to accommodate this control?

The control has 3/4-16 threads going thru the panel. A .765"(+/-.005") hole will need to be drilled in the panel, per the installation instructions.

Q: What is the wire diameter? Need to know to select correct wire grip fitting.

.078 inches.

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