Yes. Any old style full service hardware store should have them. My local Mclendons has boxes and boxes of them. I don't know who is the good old hardware store in your area but there should be one. If they sharpen saws and fix chain saws etc. then they will probably have motor brushes also.

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra