Thermo King SR-2 -SR3 -SR4 Controller and HMI Repair
Remanufacturing and repair for Thermo King controllers and HMIs, restored to factory specifications.
2-5 Day Turnaround
Certified Quality
Expert Technicians
Supported Thermo King Controllers & HMIs
Professional remanufacturing for all major Thermo King controller models. Hover over any model to magnify details and explore our comprehensive services.

Thermo King SR-4 Reefer Microprocessor Controller
Professional remanufacturing for Thermo King SR-4 microprocessors. Services include Repair and Custom Programming.
Part Number
45-2521
45-2548
45-2651
45-2731

Thermo King SR-4 Multi-Temp to Single-Temp Conversion
Specialized conversion service to program SR-4 Multi-Temp controllers to Single-Temp configuration, regardless of accumulated engine hours.
Part Number
Any SR-4 Multi-Temp Controller

Thermo King SR-4 HMI Display Control Panel
Expert remanufacturing of SR4 Human Machine Interface units with full functionality restoration including BROKEN LCD CRYSTAL and BACKLIGHT(Case and keypad must be good).
Part Number
45-2449
845-2449
45-2449
845-2449

Thermo King SR-3 Transport Refrigeration Controller
Complete remanufacturing service for SR-3 controller including component replacement and laboratory testing.
Part Number
45-2361
45-2362
45-2446
45-2503
45-2504
45-2614
45-2615
45-2616
45-2721
45-2739
452361
452614
452739
845-2361
845-2362
845-2446
845-2503
845-2504
845-2614
845-2615
845-2616
845-2721
845-2739
8452614
8452739

Thermo King SR-3 HMI Control Head
Professional remanufacturing of SR3 display interfaces including broken BROKEN LCD CRYSTAL and BACKLIGHT (if case and/or keypad are broken, please contact us before ordering).
Part Number
45-2283
45-2306
45-2372
845-2283
845-2306
845-2372
8452283
8452306
8452372

Thermo King SR-2 Interface Board
Specialized remanufacturing of SR-2 interface board with component-level repair and testing.
Part Number
41-5363
415363
45-2013
45-2062
45-2115
45-2127
45-2146
45-2013
45-2147
45-2174
45-2268
45-2302
45-2432
45-2570
45-2705
45-2062
452115
452127
452146
452147
452174
452268
452302
452432
452570
452705
841-5363
8415363
845-2013
845-2062
845-2115
845-2127
845-2146
845-2147
845-2174
845-2268
845-2302
845-2432
845-2570
845-2705
8452013
8452062
8452115
8452127
8452174
8452268
8452302
8452432
8452570
8452705

Thermo King SR-2 Microprocessor Controller
Expert microprocessor remanufacturing with firmware update and laboratory testing.
Part Number
41-6848
416848
45-2014
45-2137
45-2148
45-2014
45-2138
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
8452179
8452275
8452276
8452277
8452571
8455363

Thermo King SR-2 HMI Display
Professional SR2 HMI remanufacturing including BROKEN LCD CRYSTAL and BACkLIGHT (if case and/or keypad are broken, please contact us before ordering).
Part Number
41-4942
41-6600
414942
416600
45-2283
45-2294
45-2300
45-2306
45-2335
45-2358
452283
452294
452300
452306
452335
452358
841-4942
841-6600
845-2283
845-2294
845-2300
845-2306
845-2335
845-2358
8452283
8452294
8452300
8452306
8452335
8452358
Transparent Pricing
No hidden fees. Pricing varies by model.
Standard Repair
From $350
Routine maintenance, "Check Controller Alarm"
Start RequestReady to Get Your Thermo King Controller Remanufactured?
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