Aircraft Spruce Canada
Brantford, ON Canada
Corona, CA | Peachtree City, GA
Chicago, IL | Wasilla, AK
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Heli-Coil Insert 18MM X 13/16
MFR Model# 2-50
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Overview
| 18mm long Heli-Coil aviation grade spark plug inserts. |
Reviews
For long reach plugs - use a tool that’s in good condition and make sure the threads are clean and oiled
Verified Purchase
Heli-Coil Insert 18MM X 13/16
Quality product - works as intended. May look oversized when you get it but it has to be to install, fit, and seat properly.
Verified Purchase
Heli-Coil Insert 18MM X 13/16
The low reviews on this page come from not knowing how to insert the helicoil. The helicoil looks too big, but with a special tool, it is inserted into the cylinder with a bit of spring tension so that when you pull the tool out it is wedged in there.
Fit perfectly. Understanding how the installation tool works is critical! I used a NAPA Balkamp 18-1.50mm spark plug thread repair kit P/N 770-3066.
Size .5mm off. Material possibly to thick. Could not use. Might work for non-aircraft use.
We ordered an 18 mm helicoil for a Lycoming engine. The Helicoil came in a bag labeled 18 mm but definitely was not 18 mm. it measured more than 20 mm on the ID. We had an additional 2 days down time on this engine while we procured the correct helicoil.
Q&A
Please note, Aircraft Spruce Canada'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 Canada 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.
Per Vendor: 08-13859 is made of stainless steel. Brass cannot be used on Aircraft Engines as the temperature would melt the brass in an Aircraft Engine.
