452138 Genuine Thermo King Sr2 Interface BoardDescription: Sr2 Interface Board Condition: New Brand: Thermo King Part Number: 452138 Other Oem Part Numbers That Will Work: 41 6848, 416848, 45 2014, 45 2137, 45 2138, 45 2148, 45 2151, 45 2179, 45 2275, 45 2276, 45 2277, 45 2571, 45 5363, 452014, 452138, 452148, 452151, 452179, 452275, 452276, 452277, 452571, 455363, 841 6848, 8416848, 845 2014, 845 2138, 845 2151, 845 2179, 845 2276, 845 2277, 845 2571, 845 5363, 8452014, 8452137, 8452148,