This is an Original Thermo King part for type Unit:
McTRK-I 30 TC                 
McTRK-I 50 TC                 
RD-I SSIV
RD-I TC                       
RD-I TCIA EEC                 
TD-I                          
ThermoKing Part Description:
HOSE - filter to injection pump
Thermo-King no. 11-5229 / 5221A52G02
Description on Article: 
SAE 100R6
1/2 3RAD
RVB
1792 0006
Description on packing: 
11-5229 Hose
Examples and applications or 
Names and unit codes: 
TK11-5229 / TK-115229 / TK.11.5229 / TK115229 / TK11-5229TKA / TK-115229TKA / TK.11.5229TKA / TK115229TKA
RDISSIV
RDITCIAEEC / RD I TCIA EEC / RD-I-TCIA-EEC / RD1TCIAEEC / RD 1 TCIA EEC / RD-1-TCIA-EEC                                                                     
McTRKI30TC / McTRK I 30 TC / McTRK-I-30-TC / McTRK130TC / McTRK 1 30 TC / McTRK-1-30-TC                                                                     
RDITC / RD I TC / RD-I-TC / RD1TC / RD 1 TC / RD-1-TC                                                                                                       
RD I
McTRKI50TC / McTRK I 50 TC / McTRK-I-50-TC / McTRK150TC / McTRK 1 50 TC / McTRK-1-50-TC                                                                     
TDI / TD I / TD1 / TD 1 / TD-1                                                                                                                              
vilter /