New Alternator Fits Thermo King SB-III, Trailer Units LND 50 SB-190 SB-200 SB-210 SB-300 SB-310 SB-II SDZ SL100 SL100e SL200 SL200e SL300 SL400 SL400e SMX Sentry Super II New Aftermarket Part (Not Rebuilt/Refurbished/Repurposed) Please verify this is the right part number before ordering