For Thermo King Type Unit:
Bus A/C Power Pack TK486V     
SB-110 Tier 2 Engine          
SB-110+ 30                    
SB-130 30
SB-210 Tier2
SB-230
SB-230 RR
SB-400 Tier 2 Engine          
SGCM 2000 Tier 2 Engine       
SGCM 3000 Maersk              
SGCO 2000 Tier 2 Engine       
SGSM 2000 Tier 2 Engine       
SL-100e Tier 2 Engine         
SL-200e Tier 2 Engine         
SL-400e SR2 Tier 2 Engine     
SLX Spectrum
SLX-300
SLXe Spectrum
SLXe Spectrum Whisper
SLXe-100
SLXe-200
SLXe-300
SLXe-300 Whisper
SLXe-300 Whisper Pro
SLXe-400
SPECTRUM S-II Tier 2 Engine   
SPECTRUM SL Tier 2 Engine     
Super-II 30 190Y Tier 2 Engine
Super-II 50 190Y Tier 2 Engine
ThermoKing Part Description:
O-RING
O-RING - gear case (20 mm)
O-RING - pipe
O-RING (20.0)
Thermo-King no. 33-4089
Description on Article:
334089TKA
O-Ring P20
Made in Japan
Netto 2 gram
Examples and applications or 
Names and unit codes: 
TK33-4089 / TK-334089 / TK.33.4089 / TK334089
BusACPowerPack / BusA/CPowerPack                                                                                                                            
SB110+30 / SB 110+ 30                                                                                                                                       
SB110Tier2Engine / SB110 / SB 110                                                                                                                           
SB130
SB210
SB230
SB400Tier2Engine / SB400 / SB 400                                                                                                                           
SGCM2000Tier2Engine                                                                                                                                         
SGCO2000Tier2Engine                                                                                                                                         
OssHattinkSGSM2000Tier2Engine                                                                                                                                         
SGSM3000Maersk                                                                                                                                              
HH@SL100e / SL 100e                                                                                                                                            
SL200e / SL 200e                                                                                                                                            
SL400e / SL 400e                                                                                                                                            
SLX 300
SLX/300
SLX_300
SLX300
SLXe 100
SLXe 200
SLXe 300
SLXe 400
Hattink-ThermoPartsSLXe/100
SLXe/200
SLXe/300
SLXe/400
SLXe_100
SLXe_200
SLXe_300
SLXe_400
SLXe100
SLXe200
HattinkHeeschSLXe300
SLXe300whisper
SLXe300WhisperPro
Hattink-ThermoPartsSLXe400
SLXeSpectrum
SLXeSpectrumWhisper
SLXSpectrum
SPECTRUMSIITier2Engine / SPECTRUM S2                                                                                                                        
SPECTRUMSLTier2Engine                                                                                                                                       
SuperII 30 190Y Tier 2 Engine / Super II 30 190Y Tier 2 Engine
SuperII50 Tier 2 Engine/ Super II 50 Tier 2 Engine/ Super-II-50 / Super250 / Super 2 50 / Super-2-50 Tier 2 Engine
O'Ring/o'Ring/Oring / O.Ring/o-ring/o,ring / O'Ring/o'Ring/Oring / ORing/ORING/O,Ring /