Skip to product information
SKU:
ZZ3F08046
Same day shipping if ordered by 4PM CST.
41-1740 12 Voltage Regulator Fit for Thermo King MCTRL-I 30 TC MD-200 MT MD-100
$87.99
In Stock
$87.99
Sale price
$87.99
Regular price
Voltage
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
12 Volt Voltage Regulator for Thermo King
This 41-1740 12 voltage regulator is a replacement electrical component for Thermo King MCTRL-I and MD series refrigeration units. It serves as an OEM cross-reference for part number 41-1740, managing alternator output to protect sensitive electronic controls and batteries.
Overview
This 12 volt voltage regulator is an electrical component that stabilizes charging voltage in Thermo King multi-temperature and truck refrigeration systems. It is designed for use with Thermo King MCTRL-I, MD-200, and MT-100 controllers, ensuring reliable power delivery. This 41-1740 regulator helps extend the life of batteries and electronic modules in demanding refrigeration applications.
Built For Performance
- 12 volt DC regulation for consistent electrical system performance
- Direct replacement design for Thermo King part number 41-1740
- Solid-state circuitry for accurate voltage sensing and control
- Sealed housing protects against moisture and road contaminants
- Compatible with Thermo King electronic control systems
Fits These Machines
- for Thermo King MCTRL-I
- for Thermo King 30
- for Thermo King TC
- for Thermo King MD-200
- for Thermo King MT
- for Thermo King MD-100
Specs At A Glance
| Voltage | 12V DC |
| Part Number(s) | 41-1740 |
| Regulator Type | Voltage Regulator |
Good To Know
Q: Is this regulator compatible with my Thermo King controller? A: It is intended for MCTRL-I, MD-200, and MD-100 systems, but confirm your specific model and serial number for a proper match.
Q: How can I tell if my voltage regulator is failing? A: Common signs include battery drain, fluctuating dash lights, or erratic alternator output, which can affect your refrigeration unit's performance.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.