Voltage Regulator 44-9143 Fit for Thermo King SB Classic SB-110 SB-100 SB-190 30
$41.79
Sale price
$41.79
Regular price
Skip to product information
SKU:
ZZ3F02244
Same day shipping if ordered by 4PM CST.
Voltage Regulator 44-9143 Fit for Thermo King SB Classic SB-110 SB-100 SB-190 30
$41.79
In Stock
$41.79
Sale price
$41.79
Regular price
Part Number(s)
Estimated delivery between
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
Voltage Regulator for Thermo King SB Classic, SB-110, SB-100, SB-190
This 44-9143 voltage regulator is a direct replacement component designed for Thermo King SB Classic, SB-110, SB-100, SB-190 refrigeration units, ensuring stable electrical output for reliable operation.
Overview
This 44-9143 voltage regulator for Thermo King manages the alternator's output to protect the battery and electrical system in SB Series units. It is an aftermarket replacement engineered to match the function of the original component. The regulator is essential for maintaining consistent voltage in Thermo King SB Classic, SB-110, SB-100, and SB-190 systems.
Built For Performance
- OEM cross-reference number 44-9143 ensures proper fitment for Thermo King models
- Solid-state construction delivers consistent voltage regulation
- Compact design integrates easily into existing mounting points
- Tested for compatibility with SB Classic, SB-110, SB-100, and SB-190 alternators
- Resistant to vibration and temperature extremes common in transport refrigeration
Fits These Machines
- for Thermo King SB Classic
- for Thermo King SB-110
- for Thermo King SB-100
- for Thermo King SB-190
On-The-Job Use
- Maintains electrical stability during long-haul refrigeration cycles
- Supports continuous operation in varying ambient temperatures
- Replaces worn or failed regulators in SB Series compressor units
- Ensures proper charging for batteries in truck and trailer refrigeration systems
Specs At A Glance
| Part Number(s) | 44-9143 |
| Type | Voltage Regulator |
| Compatible Series | SB Classic, SB-110, SB-100, SB-190 |
Good To Know
Q: What is the function of this 44-9143 voltage regulator? A: It regulates the alternator output voltage to prevent overcharging or undercharging, protecting the electrical components in Thermo King SB units.
Q: Will this work as a direct replacement? A: Yes, it matches the 44-9143 cross-reference and is designed for Thermo King SB Classic, SB-110, SB-100, and SB-190 models, but confirm serial number for exact fit.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.