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Copper Spark Plug Gaskets - 18MM

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Single GasketPack of 100
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Overview

AN4027-1, 18MM. These are the AN4027-1 18mm copper spark plug gaskets.

20% Discount on Box of 100
Made of solid copper to current aircraft standards. Available in 14 MM and 18 MM sizes.
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Reviews

Gargoyle G Verified Purchase

COPPER SPARK PLUG GASKET M674 (PACK OF 100)

July 23, 2023

Always change these at annual.

Michael K Verified Purchase

COPPER SPARK PLUG GASKET M674

July 20, 2023

Never have had any issues with theses gaskets. They work great.

Chris M Verified Purchase

COPPER SPARK PLUG GASKET M674 (PACK OF 100)

June 25, 2023

Good quality, fast shipping

Bruce B Verified Purchase

COPPER SPARK PLUG GASKET M674

June 22, 2023

always use these when cleaning plugs

John F Verified Purchase

COPPER SPARK PLUG GASKET M674

June 21, 2023

Scott R Verified Purchase

COPPER SPARK PLUG GASKET M674

May 30, 2023

Great Rings! Does the job.

Land A
May 25, 2023

👍

Steven W Verified Purchase

COPPER SPARK PLUG GASKET M674

May 24, 2023

Joel Verified Purchase

COPPER SPARK PLUG GASKET M674 (PACK OF 100)

May 13, 2023

Michael S Verified Purchase

COPPER SPARK PLUG GASKET M674

May 8, 2023

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: Will these gaskets work on Tempest spark plugs? Tempest has part number UM-674.

Yes, these copper spark plug gaskets will work on Tempest or Champion plugs.

Q: Part # 07-00877: Please inform Inside Diameter & Thickness

.71" ID or just over 18mm OD. 0.08 thick.

Q: Are the 18mm gaskets right for the O320 Lyc ?

Yes, that would be correct.

Q: Are the 18mm gaskets used for a Lycoming IO-360 with Champion plugs?

Yes, the IO-360 will use 18mm plugs.

Q: would these work with lycoming IO540 with Champion REM38E plugs?

Yes, REM38E are 18mm plugs. These will work.

Q: Work on rem37by plugs? Champion

Yes, the REM37BY plugs are 18mm.

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