This is an Original Thermo King part for type Unit:
KD-I                          
LND 30 & 50                   
LND 30 PEG                    
McTRK-I 30 TC                 
RD-I SSIV
RD-I TC                       
TD-I                          
ThermoKing Part Description:
SHAFT - shutter
SHAFT & ARM - damper
Thermo-King no. 99-5991 / 5220A16G01
Description on Article: 
NVT.
Description on packing: 
Thermo King
99-5991
Rod
Examples and applications or 
Names and unit codes: 
TK99-5991 / TK-995991 / TK.99.5991 / TK995991 / TK99-5991TKA / TK-995991TKA / TK.99.5991TKA / TK995991TKA
RD I
LND30 / LND-30 / LND50 / LND-50                                                                                                                             
KDI / KD I / KD1 / KD 1 / KD-1                                                                                                                              
McTRKI30TC / McTRK I 30 TC / McTRK-I-30-TC / McTRK130TC / McTRK 1 30 TC / McTRK-1-30-TC                                                                     
HattinkKatwijkTDI / TD I / TD1 / TD 1 / TD-1                                                                                                                              
LND30PEG / LND-30-PEG                                                                                                                                       
RDITC / RD I TC / RD-I-TC / RD1TC / RD 1 TC / RD-1-TC                                                                                                       
RDISSIV