Parts list: № Number Qty Name Options 1 37M7181 12 Screw 2 [] 1 (USE T121733 IF AVAILABLE) 3 T121703 2 Bushing 4 T77932 2 O-Ring 5 [] 1 (SUB FOR T121704)(USE T121733 IF AVAILABLE) 6 [] 1 (SUB AT125653) 7 AT132776 1 Thermostatic Control Valve (SUB FOR AT125653) 8 R78035 1 Push Nut 9 T121705 1 Lever Next page: ST317835 Cab Heater Hoses And Controls (40,000 BTU) (548824 - ) ST317836 Cab Heater, Hoses And Controls (Under Seat) (20,000 BTU) (548824 - ) ST317838 Cab Heater Hoses (19,000 And 20,000 BTU) (With A/C) ( - 543489) ST317839 Cab Heater Hoses (19,000 And 20,000 BTU) (With A/C) (543490 - ) ST317840 Compressor Mounting Brackets (R12 Refrigerant) ( - 543489) ST317832 Cab Heater Hoses And Controls (40,000 BTU) (543490 - 548823) ST317831 Cab Heater Hoses And Controls (40,000 BTU) (520411 - 543489) ST317830 Cab Heater Hoses And Controls (40,000 BTU) ( - 520410) ST317829 Cab Roof (W/ A/C) (548824 - ) ST317828 Cab Roof (W/ A/C) (543490 - 548823)