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Champion Ct-482 Spark Plug Erosion Gauge

$4.50/Each
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Part# 12-00791
MFR Model# CT482

Overview

Champion CT-482 spark plug erosion gauge provides an easy, accurate method of determining whether your plugs have reached their maximum wear limit. Simply regap the used plug to .016 nominal, then attempt to insert electrode assembly through the chamfered hole in the gauge, as shown. Penetration of the hole by the electrode assembly indicates plug has exceeded its recommended wear limits and should be replaced.

The CT-482 is calibrated to reject plugs after their electrodes have eroded to at least 1/2 their original thickness. Although aviation spark plugs will continue to fire past this wear point, the rate of electrode erosion will increase as a result of non-parallel gaps and reduced sparking area. This leads to intermittent misfire, increased ignition system wear, and possibly costly unscheduled maintenance.

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California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Reviews

Ethan U Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

June 5, 2024

Its an errosion gauge and it works! What more can I say?

Danny A Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

May 13, 2024

Steve B Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

August 23, 2023

Have not used this unit yet as most plugs do not fall under there use

John F Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

June 21, 2023

Jacob K Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

June 8, 2023

Good stuff! Use it a lot!

Daniel E Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

December 2, 2022

Allan R Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

September 9, 2022

No frills GO/NO-GO gauge. good value

David R Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

May 25, 2022

David R Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

May 19, 2022

James W Verified Purchase

Champion Ct-482 Spark Plug Erosion Gauge

January 11, 2022

Q&A

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: Does this work on Tempest plugs as well?

Yes this will work with both, it is just Champion brand.

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