1-877-4-SPRUCE | email@example.com
Aircraft Spruce & Specialty Co.
Corona, CA | Chicago, IL
Wasilla, AK | Peachtree City, GA
Brantford, ON Canada
FREE SHIPPING ON ORDERS OVER $350 (USA ONLY - SOME EXCLUSIONS APPLY) | 877-4-SPRUCE
TEMPEST COPPER SPARK PLUG GASKET U674 - 18MM - BOX OF 100
MFR Model# UM674PK
AN4027-1, 18MM P/N M674. These are the AN4027-1 18mm copper spark plug gaskets.
Made of solid copper to current aircraft standards.
- Customers Also Viewed
- Frequently Purchased With
- Related Items
After I switched to Tempest Fine wire plugs, I followed suit and switched to these U674
well formed Tempest Gaskets. Also, I use new ones each time I reinstall my plugs.
July 21, 2020
Price and quantity beats other suppliers.
September 3, 2019
Use new gasket each time I pull spark plug.
September 22, 2018
Q: I have Champion REM38E spark plugs. Do I use 18MM or 16MM gaskets?
You will need to use 18mm gaskets for REM38E plugs.
Q: What's the difference in these and the M674 champion 18mm?
The only difference between the two is that one is made by Tempest and the other is by Champion.
Q: I have Tempest fine wire UREM38S XL spark plugs. What copper gasket Tempest part # do I need? Also, is there an alternative vendor part#?
These are the correct copper gaskets for your plug. Our part # is 07-01798, Tempest manufacturing part # is UM674PK.
Q: I have Tempest URHB32E spark plugs. What is the right gasket to replace the original gaskets?
URHB32E uses 18mm gaskets. So you can order this part # 07-01798, which is a 100 pack, or you can order part # 07-00877, which are sold individually.
Q: Does Tempest plug UREM40E use an 18MM gasket?
Q: I use RHB32E Champion spark Plugs. Do they take these 18mm gaskets?
Yes, the B in RHB32E designates 18mm. These will work on RHB32E Champion plugs.