Japan |
Main plant

- Location: 3860 Midorigaoka Naka-machi, Iga City, Mie
- Built: November 1963

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Yumeporisu Plant

- Location: 7-3-3 Yumegaoka, Iga City, Mie
- Built: September 2005
- Manufacturing: Camshafts, cylinder heads, cylinder blocks, exhaust manifolds

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Saimyoji Plant

- Location: 2782-1 Saimyoji, Iga City, Mie
- Built: November 1982
- Manufacturing: Connecting rods, hydraulic lash adjusters, bearing caps

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Nabari Plant

- Location: 920 Minowa-nakamura, Nabari City, Mie
- Built: March 1967
- Manufacturing: Connecting rods, cylinder heads, cylinder blocks, bearing caps

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Casting Plant

- Location: 2260 Saimyoji, Iga City, Mie
- Built: July 1968
- Manufacturing: Camshafts, exhaust manifolds, shift forks, flywheel housings

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Indonesia |
P.T.YASUNAGA INDONESIA

- Location: JI Modern Industri Raya Kav.24 Kawasan Industri Modern Cikande, Serang Banten 42186, Indonesia
- Built: February 1996
- Manufacturing: Connecting rods

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Thailand |
YASUNAGA (THAILAND) CO., LTD.

- Location: Mabyangporn, Amphur Pluak Daeng, Rayong Province 21140, Thailand
- Built: December 2012
- Manufacturing: Connecting rods

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Mexico |
YASUNAGA MEXICO S.A.DE C.V.

- Location: Calle Villa de Los Lagos Sur 1103, Col.Parque Industrial Colinas de Lagos, Lagos de Moreno, Jalisco C.P.47515
- Built: July 2015
- Manufacturing: Connecting rods, converter housings, throttle bodies

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United States |
Yasunaga Corp. America

- Location: 40028 Grand River Avenue, Suite 500, Novi, Michigan 48375-2166, U.S.A.
- Built: October 1998

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