Thermal switches sit in the water jacket and when the engine reaches the specified temperature the signal is sent.
Part # 3611 has three terminals. All other thermal switches have two terminals.
N.O. = Normally Open. N.C. = Normally Closed
| Part # | Description | OEM# |
|---|---|---|
| 3611 | 185º N.O./N.C. (3/8″ Thread) | 993611 |
| 3616 | 185º N.O. (1/2″ Thread) | 993616 |
| 3619 | 185º N.C. (1/2″ Thread) | 993619 |
| 3617 | 190º N.O. (1/2″ Thread) | 993617 |
| 3603 | 190º N.C. (1/2″ Thread) | 993603 |
| 3653 | 195º N.O. (1/2″ Thread) | 993653 |
| 3605 | 195º N.C. (1/2″ Thread) | 993605 |
| 3654 | 200º N.O. (1/2″ Thread) | 993654 |
| 3606 | 200º N.C. (1/2″ Thread) | 993606 |
| 3655 | 205º N.O. (1/2″ Thread) | 993655 |
| 3607 | 205º N.C. (1/2″ Thread) | 993607 |
| 3624 | 210º N.O. (1/2″ Thread) | 993624 |
| 3684 | 210º N.C. (1/2″ Thread) | 993684 |
| 3625 | 215º N.O. (1/2″ Thread) | 993625 |
| 3685 | 215º N.C. (1/2″ Thread) | 993665 |
| 3626 | 220º N.O. (1/2″ Thread) | 993626 |
| 3665 | 220º N.C. (1/2″ Thread) | 8037040 |
| 213673 | 210º N.O. (2-Wire) | 993673 |
Part #:
3282
3-Way Solenoid Valve
Universal – N.O. – N.C.
12VDC
Part #:
3284
NC Solenoid Valve
12 Volt – Volvo
Part #:
3284
NC Solenoid Valve
24 Volt – Humvee
Part #:
3283
3-Way Solenoid Valve
Universal – N.O. – N.C.
24VDC
All overtemp warning switches have one terminal.
N.O. = Normally Open. N.C. = Normally Closed
| Part # | Description | OEM# |
|---|---|---|
| 551132 | 200° N.O. 1/2″ Thread | 8039065 |
| 551133 | 205° N.O. 1/2″ Thread | 8036054 |
| 551134 | 210° N.O. 1/2″ Thread | 8039014 |
| 551135 | 215° N.O. 1/2″ Thread | 8039019 |
| 551136 | 220° N.O. 1/2″ Thread | 8039023 |
| 551165 | 265° N.O. 1/2″ Thread | 8039043 |
| 576835 | 215° N.C. 1/2″ Thread | 8039017 |
| 576836 | 220° N.C. 1/2″ Thread | 8039021 |
| 581134 | 210° N.O. 3/8″ Thread | 8039034 |
| 581137 | 225° N.O. 3/8″ Thread | 8039041 |
| 581138 | 230° N.O. 3/8″ Thread | 8039042 |
