MAHLE Clevite releases gasket replacement training

Jan. 1, 2020
MAHLE Clevite Inc. is offering technical information regarding gasket replacement for GM LS series engines.

MAHLE Clevite Inc. is offering technical information regarding gasket replacement for GM LS series engines.

When the OE composite designed cylinder head gasket changed to an improved Multi-Layered Steel (MLS) design for the 4.8L & 5.3L in 2001 and 6.0L in 2002, the cylinder head gaskets were no longer interchangeable, according to MAHLE. This prevents engine builders and technicians from installing the best MLS designs in older engines of the GM LS series due to resulting coolant leaks.

The company reports through vigorous testing and analysis, Victor Reinz has engineered a replacement MLS gasket design that fits GM Gen III 4.8L, 5.3L (1999-2000) and 6.0L (1999-2001) series engines. These gaskets accommodate both the early and late style head design. Additionally, the MLS design features an embossed stainless steel stopper layer. Victor Reinz utilizes state-of-the-art Intellicoat™ blue FKM elastomer coating on the “active” layers.

This special coating is recognized for the outstanding ability to seal the head and block mating surfaces (up to 60RA) without the need for exotic surfacing equipment and techniques.

GM LS series Gen III and IV, 4.8L, 5.3L, 5.7L, 6.0L and 7.0L from 1999 thru 2009 are covered with these four new part numbers:
54441 - GM 4.8L VIN V, 5.3L VIN P, T & Z 1999-2007
54442 - GM 4.8L VIN C 2007-2008, 5.3L All VIN except P, T & Z 2005-2009, 5.7L 1997-2005
54445 - GM 6.0L VIN H, N & U 1999-2008
54446 - GM 7.0L 2006-2008

Consult the Victor Reinz® Gasket Catalog or a local distributor for exact application/part number detail.

This Solution™, as well as other gasket, engine bearing, piston ring and heavy duty solutions can be found on www.mahleclevite.com.

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