| 1 | 67-765 | HEAT EXCHANGER | 1 | |
| 67-2491 | HEAT EXCHANGER (first tube out) | 1 | |
| 2 | 66-6773 | TUBE - heat exchanger to valve | 1 | |
| 3 | 66-6041 | TUBE - coil to exchanger | 1 | |
| 66-5752 | FITTING - tube | 1 | |
| 4 | 66-6773 | TUBE - bulkhead to exchanger | 1 | |
| 5 | 55-3094 | ELBOW | 2 | |
| 6 | 66-6775 | TUBE - bulkhead to elbow | 1 | |
| 7 | 66-7789 | VALVE - modulation (Thermoguard & MP IV, incl connectors) | 1 | |
| 66-7789 | VALVE - modulation (see 123A8) | 1 | |
| 8 | 44-5835 | CONNECTOR (2-pin, male) | 1 | |
| 44-5883 | TERMINAL - male (18-20 ga) | 2 | |
| 44-5885 | SEAL - cable (green, 18-22 ga) | 2 | |
| 9 | 66-7032 | TUBE - tee to 3-way | 1 | |
| 10 | 66-5752 | FITTING - adapter | 1 | |
| 11 | 66-7033 | TUBE - exchanger outlet | 1 | |
| 12 | 66-6778 | TUBE - tee to solenoid | 1 | |
| 13 | 66-5374 | VALVE - solenoid (see 138A7) | 1 | |
| 14 | 66-6779 | TUBE - solenoid to tee | 1 | |
| 15 | 66-6780 | TUBE - defrost to receiver tank (before 2/94) | 1 | |
| 66-7530 | TUBE - defrost to receiver tank (after 1/94) | 1 | |
| 16 | 66-4346 | TEE | 1 | |
| 17 | 41-392 | HARNESS - modulation (w/ Deutsch Connectors) | 1 | |
| 44-9860 | HARNESS - modulation (Thermoguard) | 1 | |
| 18 | 44-5838 | CONNECTOR (2-pin, female) | 2 | |
| 44-5839 | TERMINAL - female (14-16 ga) | 4 | |
| 44-5837 | SEAL - cable (gray, 14-16 ga) | 4 | |
| 19 | 41-418 | SENSOR - discharge (144 in lg, Thermoguard) | 1 | |
| 20 | 44-8959 | SENSOR - return (120 in lg, Thermoguard) | 1 | |