12V Regulator Alternator 41-8851 MP300 Fit Thermo King Bus A/C Power Pack TK486V

Regulator Alternator for Thermo King

This 12V Regulator Alternator, cross-referenced as 41-8851 and MP300, delivers reliable charging power for Thermo King bus A/C power packs, including the TK486V model.

Overview

This 12V Regulator Alternator 41-8851 MP300 is a direct replacement charging component designed to maintain proper battery voltage in Thermo King refrigeration and A/C systems. It serves as the electrical heart of the power pack, ensuring consistent performance for bus climate control. This regulator alternator is built for the demands of continuous duty in commercial transport environments.

Built For Performance

• 12-volt output regulated to protect sensitive electrical components
• Direct cross-reference to OEM part numbers 41-8851 and MP300
• Engineered for continuous operation in Thermo King power packs
• Robust construction withstands vibration and temperature extremes
• Precision regulators maintain stable voltage for sensitive electronics

Fits These Machines

• for Thermo King TK486V power pack
• for Thermo King bus A/C systems

On-The-Job Use

• Maintains charging in bus air conditioning power packs during long routes
• Supports auxiliary power needs for Thermo King units in fleet operations
• Keeps batteries charged during idle periods when A/C operates independently

Specs At A Glance

Good To Know

Q: What is the primary function of this regulator alternator? A: It converts mechanical energy into regulated 12V electrical power to charge the battery and run the Thermo King A/C system. It ensures stable voltage output to protect sensitive components in the power pack.

Q: How do I know this will fit my unit? A: Cross-reference the original part number 41-8851 or MP300 on your existing unit and check your Thermo King model, such as the TK486V. Fitment can vary by serial number, so verify before ordering.

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