For Thermo King Type Unit:
McTRK-I 30 TC                 
McTRK-I 50 TC                 
MD-I SSIV                     
RD-I SSIV
RD-I TC                       
RD-I TCIA EEC                 
TD-I                          
ThermoKing Part Description:
ADJUSTER - solenoid speed control
ADJUSTER - speed control solenoid
Thermo-King no. 99-7303 / 2937B71H01
Examples and applications or 
Names and TKunit codes: 
TK99-7303 / TK-997303 / TK.99.7303 / TK997303
McTRKI30TC / McTRK I 30 TC / McTRK-I-30-TC / McTRK130TC / McTRK 1 30 TC / McTRK-1-30-TC
McTRKI50TC / McTRK I 50 TC / McTRK-I-50-TC / McTRK150TC / McTRK 1 50 TC / McTRK-1-50-TC
MDISSIV / MD I SSIV / MD-I-SSIV / MD1SSIV / MD 1 SSIV / MD-1-SSIV
RD I
RDISSIV
RDITC / RD I TC / RD-I-TC / RD1TC / RD 1 TC / RD-1-TC
RDITCIAEEC / RD I TCIA EEC / RD-I-TCIA-EEC / RD1TCIAEEC / RD 1 TCIA EEC / RD-1-TCIA-EEC
@HTPTDI / TD I / TD1 / TD 1 / TD-1
HattinkHeesch