12V Regulator Alternator 41-8851 Fit Thermo King SB-110+ 30 SB-130 30 SB-190 30

12V Regulator Alternator for Thermo King

This 12V regulator alternator replaces OEM part number 41-8851 and provides reliable charging for Thermo King refrigeration units.

Overview

This 12V regulator alternator is a direct replacement for the Thermo King 41-8851 alternator, engineered to keep the electrical system charged and the unit running smoothly. It is built to work with specific Thermo King SB series units including the SB-110+ 30, SB-130 30, and SB-190 30 models. The 12V regulator alternator ensures consistent voltage output to support your refrigeration system's daily operations.

Built For Performance

• 12V output designed for reliable charging of Thermo King transport refrigeration systems
• Replaces OEM part number 41-8851
• Robust construction for continuous duty in demanding environments
• Regulator built-in to maintain stable voltage levels
• Precision-engineered to meet or exceed original specifications
• Direct fit for compatible Thermo King SB series models

Fits These Machines

• for Thermo King SB-110+ 30
• for Thermo King SB-130 30
• for Thermo King SB-190 30

On-The-Job Use

• Used in over-the-road truck and trailer refrigeration systems
• Provides electrical power for control systems and battery charging during operation
• Suited for long-haul applications requiring reliable alternator performance
• Commonly installed in fleet maintenance and repair shops

Specs At A Glance

Good To Know

Q: Will this alternator fit my Thermo King SB-130 30 unit? A: Yes, this alternator is designed to fit the Thermo King SB-130 30 model as well as the SB-110+ 30 and SB-190 30 models. Always verify your serial number to ensure compatibility.

Q: What does the regulator do? A: The regulator controls the alternator's output to maintain a steady voltage, protecting sensitive components from power surges and ensuring consistent battery charging.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.