Google "CARLING part # RGSCC911". Runs around $8.
"CARLING part # RGSCC901-R-B-B-E" also works but has the 1& 0 printed on the switch where the stock switch is plain black.
https://www.newark.com/c/switches-relays?st=CARLING+part+%23+RGSCC901-R-B-B-E