Thermostatic Switch International (Navistar) OEM# 581691-C1

1984 1973, 4000 Series, All 4070, 4200, 4300 w/cable oper, OEM# 581691-C1

2000 1997, 5000 Series, All models w/cable oper., OEM# 581691-C1, BD1055, ZGG12028

1996 1977, 5000 Series, All w/o Shutters; w/cable oper., OEM# 581691-C1, BSM323003, ZGG12028

1996 1974, 5000 Series, All w/Shutters; w/cable oper., OEM# 454347-C1, 592231-C1, BSM323003

1995 1981, 7100 Series, All models w/cable oper., OEM# 581691-C1

1999 1997, 9100-9400 Series, Day Cab models w/cable oper., OEM# 851691-C1

1995 1981, 9000 Series, All models w/cable oper., OEM# 581691-C1

1996 1977, 9300, 9400, 9600, 9700 Series, w/Shutters (Refer to TECH TIP below), OEM# 454347-C1, 592231-C1, BSM323003

All Models w/rotary control switch, 24