This part is interchangeable but not original Thermo King. Mentioned names, numbers as well as OE, 
descriptions or article numbers of manufacturers or material brands are only mentioned as a
reference and description. In such a case, this does not mean in any way that these parts are original 
parts from the manufacturers in questions. You can of course also buy this from the listed registered 
trademark dealer or you can order it from us.
This part is Compatible with Thermo King type Unit:
CROWN 500 M19                 
KD-I                          
MD-I                          
RD-I SSIV
RMU                           
RMU-II                        
SB-I 1200                     
SB-I 2000                     
SB-I HPO                      
Super NWD 5200                
Super NWD 5300                
UMD 20DG                      
XNWD 30 5100 & 5200           
ThermoKing Part Description:
DIODE - assembly
DIODE - assembly (isolation, single diode)
Thermo-King no. 44-2170 / 4529B26G01
Old numbers: 
44-5246/
Examples and applications or 
Names and unit codes: 
HP44-2170 / HP-442170 / HP.44.2170 / HP442170
S44-2170 / S-442170 / S.44.2170 / S442170
S44-20170 / S-4420170 / S.44.20170 / S4420170
1044-2170 / 10-442170 / 10.44.2170 / 10442170
SP44-2170 / SP-442170 / SP.44.2170 / SP442170
HP44-5246 / HP-445246 / HP.44.5246 / HP445246
S44-5246 / S-445246 / S.44.5246 / S445246
S44-50246 / S-4450246 / S.44.50246 / S4450246
1044-5246 / 10-445246 / 10.44.5246 / 10445246
SP44-5246 / SP-445246 / SP.44.5246 / SP445246
CROWN500M19 / CROWN-500-M19                                                                                                                                 
HH@                                                                                                                                                            
RD I
RMUII / RMU II / RMU2 / RMU 2 / RMU-2                                                                                                                       
MDI / MD I / MD1 / MD 1 / MD-1                                                                                                                              
XNWD30 / XNWD5100 / XNWD5200                                                                                                                                
SuperNWD5200 / Super NWD 5200                                                                                                                               
SBI1200 / SB I 1200 / SB-I-1200 / SB11200 / SB 1 1200 / SB-1-1200                                                                                           
KDI / KD I / KD1 / KD 1 / KD-1                                                                                                                              
SBI2000 / SB I 2000 / SB-I-2000 / SB12000 / SB 1 2000                                                                                                       
UMD20DG / UMD 20 DG                                                                                                                                         
HattinkCuijkRDISSIV
RMU                                                                                                                                                         
SuperNWD5300 / Super NWD 5300