41-8851 42-2395 Thermo King Alternator Regulator 37A for SLX SLXi SB TS T-Series
MultiStar Parts – Your Source for Truck Refrigeration Unit Parts
The 41-8851 / 42-2395 alternator regulator is a premium Thermo King parts replacement designed for 37A brush-type alternators in a wide range of transport refrigeration units, including the SLX series. This precision regulator maintains stable voltage output (13.8 to 14.2 volts @ 25°C) to protect the electrical system and ensure proper battery charging across multiple models, including SLXi, SB, TS, SL, SLXe, T-Series, and Precedent series.
CROSS-REFERENCE PART NUMBERS:
- 42-2395, 422395, 422-395
- 41-8851, 418851, 418-851
- 41-6884, 416884, 416-884
Product Highlights:
- Part Numbers: 41-8851, 42-2395 (also 418-851, 418851, 422395, 422-395)
- Voltage: 12V DC
- Current Rating: 37 amps (standard brush type)
- Function: Regulates alternator voltage output, protects electrical system
- Compatible Models: SLX (100/200/300/400), SLXi, SB, TS, Spectrum, T-Series, Precedent, SL, SLXe, SLXe Spectrum, SB I-III
As part of our extensive inventory of premium Thermo King aftermarket parts, this essential component is ideal for alternator repair or electrical system maintenance on your SLX series and other Thermo King refrigeration units.
Multistar Parts Co., Ltd. is a professional supplier of transport refrigeration parts, specializing in Thermo King parts, Carrier Transicold parts, and Hwasung Thermo parts for the global aftermarket.
Multistar Parts Co., Ltd. – Your trusted partner for Thermo King, Carrier Transicold, and Hwasung Thermo parts.




