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-   -   Spark plugs taper vs gasket seal? (http://www.peachparts.com/shopforum/showthread.php?t=228086)

handyjay 07-19-2008 01:41 PM

Spark plugs taper vs gasket seal?
 
I just replaced my spark plugs. The parts store sold me Bosch plugs with a gasket seal. The old plugs were tapered without a gasket. Is there any problem using either type of seal?

duxthe1 07-19-2008 02:06 PM

Which engine are they going in?

handyjay 07-19-2008 04:51 PM

It is a 103 engine. 1991 300E 4matic.

duxthe1 07-19-2008 06:25 PM

The 103 engine uses a tapered seat plug. The gasket seat plugs are wrong for the application. I do not recommend to use them. You should take them back for a refund or exchange.:mad:

Lenny Lipscomb 07-23-2008 02:27 PM

Spark plugs taper v. gasket
 
Tapered seat plugs are not interchangeable with flat metallic gasketed plugs.

handyjay 07-23-2008 05:03 PM

Just ordered the correct plugs from Phil. He advised to get two sets as Bosch no longer makes this plug. Will replace the gasketed plugs right away. Thanks for the input.


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