12V Regulator Alternator 41-8851 Fit Thermo King SL-300 SL-400 SL-400e SR2

12V Regulator Alternator for Thermo King

This 12V regulator alternator, referencing OEM cross-reference 41-8851, provides reliable charging output for Thermo King refrigeration units. It is designed to maintain battery health and power electrical systems in demanding transport refrigeration applications.

Overview

This 12V regulator alternator is a direct replacement component for Thermo King SL-300, SL-400, SL-400e, and SR2 units, ensuring consistent electrical power. It is built to meet the specific charging demands of these refrigeration systems, keeping operations running smoothly. The 41-8851 cross-reference confirms its role as a critical charging system part.

Built For Performance

• Provides regulated 12V output to maintain battery charge and system voltage.
• Engineered as a direct replacement for the 41-8851 OEM part number.
• Constructed to withstand vibration and temperature extremes common in transport refrigeration.
• Integrates a voltage regulator to protect sensitive electronic components.
• Designed for reliable performance in Thermo King SL and SR series units.

Fits These Machines

• for Thermo King SL-300
• for Thermo King SL-400
• for Thermo King SL-400e
• for Thermo King SR2

On-The-Job Use

• Replaces a failed alternator during routine maintenance of a reefer unit.
• Ensures continuous 12V power for the control system and fans on a Thermo King SL-400.
• Restores charging capacity on a Thermo King SR2 after a component failure.

Specs At A Glance

Good To Know

Q: Will this alternator work on my Thermo King unit? A: This alternator is designed for Thermo King SL-300, SL-400, SL-400e, and SR2 models. Always verify your serial number before ordering to ensure correct fitment.

Q: What does the 41-8851 cross-reference mean? A: The number 41-8851 is the OEM part reference for this alternator. This part serves as a direct replacement for that specific OEM number.

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