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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

Look just like OEM. More convenient than buying a box of 100.

Donald S
June 30, 2020

no complains

David H
May 8, 2020

circular and flat, good stuff

Ernest U
April 23, 2020

I just watched a video on youtube of a fellow taking old gaskets and heating them with a blow torch to anneal them, so he could reuse them....even though they were crushed and had a raised lip. I like the idea of reusing things, but when a brand new copper gasket costs about 36 cents, that seems pretty stupid. Buy a handful of gaskets and let them sit in your tool box, and use them anytime you take a plug out... Good product, very low price.

Michael V
April 16, 2020

excellent on time shipping

Central A
April 3, 2020

Excellent

Goodrich
March 19, 2020

Nice

Richard H
February 14, 2020

as expected

Mike K
February 8, 2020

This spark plug gasket is exceptionally round where it needs to be and flat in other places. It is also coppery.

Nathan
January 13, 2020

The spark plug gaskets were really round and... coppery

Paul I
November 3, 2019

Q&A

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.

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