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SKU:
ZZ3F02242
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44-9143 Voltage Regulator Fit for Thermo King SB-III S SLE SR VI TG Whisper
$41.79
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$41.79
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$41.79
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Compatible Models
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Compatible equipment / model
44-9143 Voltage Regulator for Thermo King
The 44-9143 Voltage Regulator is an electrical component designed to maintain stable voltage output in Thermo King refrigeration units, ensuring consistent performance of the unit's charging system. This voltage regulator for Thermo King SB-III, S, SLE, SR, VI, TG, and Whisper series helps prevent electrical surges that can damage sensitive components.
Overview
This 44-9143 voltage regulator replaces the original OEM part and regulates the alternator's output to protect the battery and electrical system in Thermo King units. It is engineered for use in Thermo King SB-III, S, SLE, SR, VI, TG, and Whisper models, delivering reliable voltage control in demanding transport refrigeration environments.
Built For Performance
- Direct replacement for OEM part number 44-9143
- Solid-state regulation for precise voltage control
- Rugged construction withstands vibration and temperature extremes
- Plug-and-play connector for straightforward installation
- Compatible with 12V and 24V electrical systems
Fits These Machines
- for Thermo King SB-III
- for Thermo King S
- for Thermo King SLE
- for Thermo King SR
- for Thermo King VI
- for Thermo King TG
- for Thermo King Whisper
On-The-Job Use
- Replaces faulty voltage regulators during routine alternator service
- Used in over-the-road trailers and truck refrigeration units
- Installed in marine and rail container refrigeration systems
- Supports fleet maintenance programs for Thermo King equipment
Specs At A Glance
| Part Number(s) | 44-9143 |
| Type | Voltage Regulator |
| Compatible Brands | for Thermo King |
Good To Know
Q: How do I know if my voltage regulator needs replacement? A: Common signs include intermittent electrical failures, battery undercharging or overcharging, and flickering dashboard lights. Testing output voltage with a multimeter can confirm a faulty regulator.
Q: Is installation straightforward? A: Yes, this regulator connects directly to the alternator harness after disconnecting the battery. Ensure the mounting surface is clean and the connector is fully seated for proper operation.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.