Defiance Foundry

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Defiance Casting Operations is an automobile engine foundry plant in Defiance, Ohio. Opened under GM management in 1948, the factory produces engine blocks and cylinder heads for General Motors vehicles. The factory currently occupies 1.9 million square feet on 428.6 acres. The location opened to support operations at Saginaw Metal Casting Operations. [1] The factory started operations on August 23, 1948, and from 1948 through 1991, the foundry was part of GM's Central Foundry Division along with Saginaw. Later, Defiance Casting, also called Central Foundry, became part of the new GM Powertrain group. Today cylinder block and cylinder head castings for Inline 4, V6 and V8 engines are used in a variety of Chevrolet, Buick, GMC and Cadillac vehicles, and the address is 26427 State Route 281, Defiance, Ohio. 43512.

Contents

Products

Currently the location provided Aluminum engine blocks and cylinder heads which then are assembled at Tonawanda Engine, Romulus Engine, Flint Engine South, St. Catharines Engine Plant and other engine assembly factories for the items listed below.

See also

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References

  1. "Defiance Casting Operations". GM Corporate Newsroom. General Motors. Retrieved 24 April 2021.

Coordinates: 41°16′55″N84°21′46″W / 41.28194°N 84.36278°W / 41.28194; -84.36278