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  1. Pijus

    Need help with identifying piston.

    Hello supramania, today i have removed my oilpan to fix gasket leaks, and found a strange thing: first i saw that #1 piston is different from others it has stamped "Aisin" on one side and "Toyota 42050" on other side, the other 5 pistons has stamped "227" and "S". then i find out that #1...