Spark Plug Hole Seal
Mahle 1397525 - 121220
Product Description
The top half of the cylinder head on whiteblock motors utilizes a "gasketless" chemical seal to seal the head halves together. They also use these rubber o-rings to seal the spark plug well holes and keep oil out.
About Mahle
Mahle has been manufacturing high quality products since 1920. Mahle is one of the largest manufacturer of filtration products in the world. Many OEMs including Volvo use Mahle for many of their OE products. For example, in many cases, the filter you buy in a blue Volvo box will have Mahle branding on it. Mahle offers the same quality products to the aftermarket that is does to the OEMs. In addition to filtration, Mahle also produces engine parts such as pistons and engine gasket sets. Mahle recently acquired Behr which expands their coverage in to other high quality products such as thermostats and heating and cooling system parts.
