Thermo King 12-Volt Voltage Regulator X Alternator Field Control 445013
Official OEM Thermo King parts catalog entry for the Regulator Voltage X (Part 445013), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Regulator Voltage X (Part 445013) supports Thermo King refrigeration system reliability by maintaining stable alternator output and consistent battery charging for transport refrigeration and reefer trailer applications.
Product Overview
The Thermo King Regulator Voltage X (445013) is a 12-volt voltage regulator engineered to control alternator field current and protect onboard electrical systems. It ensures battery health, minimizes electrical fluctuations, and supports continuous operation of temperature control equipment in transport refrigeration and diesel direct electric (DE) units.
Key Features & Customer Benefits
- OEM Thermo King Specification – Delivers fitment and function that align with Thermo King service standards for dependable fleet uptime.
- 12-Volt Regulation – Ensures consistent charging to protect batteries and sensitive electronics across refrigeration systems.
- Alternator Field Control – Regulates alternator output to prevent overcharge or undercharge conditions, supporting longer component life.
- Durable Construction – Engineered for transport environments to withstand vibration and thermal cycling common in reefer trailers and refrigerated trucks.
- Fleet Compatibility – Integrates into Thermo King transport refrigeration systems and supports efficient temperature control operations for fleets operating in West Texas and the Permian Basin.
Product Details
Part Number: 445013. Function: 12-volt voltage regulator for Thermo King alternator control systems. Application: Thermo King transport refrigeration and reefer trailer electrical systems where a dedicated voltage regulator is specified. For exact vehicle and unit fitment, consult Thermo King parts catalog or a certified parts advisor to confirm compatibility with models such as Smart Reefer SR-4 or Precedent-series equipment when applicable.
Efficiency & Sustainability
Proper voltage regulation supports fuel-efficient cooling and reliable temperature control by keeping batteries charged and electrical systems operating at optimal efficiency. Correct charging reduces unnecessary engine load and helps the refrigeration system maintain setpoints for product protection. This component aligns with fleet sustainability goals by supporting reliable operation of CARB Evergreen and other compliant Thermo King platforms when used as specified.
Installation & Maintenance Tips
Disconnect battery power before servicing. Replace with OEM or Thermo King–specified regulator and use original terminal connections to preserve circuit integrity. Inspect regulator and alternator connections during scheduled maintenance intervals and verify system voltage with the engine running to confirm stable charging behavior. Use OEM clamps and hardware for secure fitment.
Real-World Applications
The Regulator Voltage X (445013) serves refrigerated trucks, reefer trailers, and transport refrigeration units that require precise alternator control to protect temperature control electronics and batteries. This part supports continuous operation across distribution routes, long-haul transport, and refrigerated delivery in hot climates. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, contact us for warranty information and refer to the contact page to confirm coverage details.
Frequently Asked Questions
Q: Is the Regulator Voltage X (445013) compatible with my Thermo King unit?
A: Compatibility depends on the unit and alternator assembly. Confirm fitment by checking the Thermo King parts catalog or contacting West Texas Thermo King with unit serial and model information.
Q: What electrical performance can fleets expect after installation?
A: The regulator maintains stable alternator output to ensure consistent battery charging and reliable operation of temperature control electronics, supporting precise temperature control on refrigerated loads.
Q: Can installation be completed in the field?
A: Field installation is common when technicians follow OEM procedures: disconnect batteries, match wiring terminals, secure the regulator, and verify charging voltage under engine operation.
Related Resources
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
Official OEM Thermo King parts catalog entry for the Regulator Voltage X (Part 445013), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Regulator Voltage X (Part 445013) supports Thermo King refrigeration system reliability by maintaining stable alternator output and consistent battery charging for transport refrigeration and reefer trailer applications.
Product Overview
The Thermo King Regulator Voltage X (445013) is a 12-volt voltage regulator engineered to control alternator field current and protect onboard electrical systems. It ensures battery health, minimizes electrical fluctuations, and supports continuous operation of temperature control equipment in transport refrigeration and diesel direct electric (DE) units.
Key Features & Customer Benefits
- OEM Thermo King Specification – Delivers fitment and function that align with Thermo King service standards for dependable fleet uptime.
- 12-Volt Regulation – Ensures consistent charging to protect batteries and sensitive electronics across refrigeration systems.
- Alternator Field Control – Regulates alternator output to prevent overcharge or undercharge conditions, supporting longer component life.
- Durable Construction – Engineered for transport environments to withstand vibration and thermal cycling common in reefer trailers and refrigerated trucks.
- Fleet Compatibility – Integrates into Thermo King transport refrigeration systems and supports efficient temperature control operations for fleets operating in West Texas and the Permian Basin.
Product Details
Part Number: 445013. Function: 12-volt voltage regulator for Thermo King alternator control systems. Application: Thermo King transport refrigeration and reefer trailer electrical systems where a dedicated voltage regulator is specified. For exact vehicle and unit fitment, consult Thermo King parts catalog or a certified parts advisor to confirm compatibility with models such as Smart Reefer SR-4 or Precedent-series equipment when applicable.
Efficiency & Sustainability
Proper voltage regulation supports fuel-efficient cooling and reliable temperature control by keeping batteries charged and electrical systems operating at optimal efficiency. Correct charging reduces unnecessary engine load and helps the refrigeration system maintain setpoints for product protection. This component aligns with fleet sustainability goals by supporting reliable operation of CARB Evergreen and other compliant Thermo King platforms when used as specified.
Installation & Maintenance Tips
Disconnect battery power before servicing. Replace with OEM or Thermo King–specified regulator and use original terminal connections to preserve circuit integrity. Inspect regulator and alternator connections during scheduled maintenance intervals and verify system voltage with the engine running to confirm stable charging behavior. Use OEM clamps and hardware for secure fitment.
Real-World Applications
The Regulator Voltage X (445013) serves refrigerated trucks, reefer trailers, and transport refrigeration units that require precise alternator control to protect temperature control electronics and batteries. This part supports continuous operation across distribution routes, long-haul transport, and refrigerated delivery in hot climates. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, contact us for warranty information and refer to the contact page to confirm coverage details.
Frequently Asked Questions
Q: Is the Regulator Voltage X (445013) compatible with my Thermo King unit?
A: Compatibility depends on the unit and alternator assembly. Confirm fitment by checking the Thermo King parts catalog or contacting West Texas Thermo King with unit serial and model information.
Q: What electrical performance can fleets expect after installation?
A: The regulator maintains stable alternator output to ensure consistent battery charging and reliable operation of temperature control electronics, supporting precise temperature control on refrigerated loads.
Q: Can installation be completed in the field?
A: Field installation is common when technicians follow OEM procedures: disconnect batteries, match wiring terminals, secure the regulator, and verify charging voltage under engine operation.
Related Resources
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
