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Voltage Regulator Fit Thermo King Spectrum S-II SL Super-II TCI 44-9143

Voltage Regulator Fit Thermo King Spectrum S-II SL Super-II TCI 44-9143

SKU: ZZ3F02247
$41.79 In Stock
$41.79
Sale price  $41.79 Regular price 
Same day shipping if ordered by 4PM CST.
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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

Voltage Regulator for Thermo King

This voltage regulator, carrying OEM cross-reference number 44-9143, is a robust electrical component designed for Thermo King Spectrum, S-II, SL Super-II, and TCI refrigeration systems. It stabilizes voltage output from the alternator to protect electronic controls and ensure reliable system operation. This voltage regulator for Thermo King is an essential replacement part for maintaining consistent performance.

Overview

This voltage regulator for Thermo King systems regulates charging voltage to prevent electrical damage in Spectrum, S-II, SL Super-II, and TCI units. The voltage regulator 44-9143 ensures consistent power delivery for critical refrigeration controls. This voltage regulator for Thermo King is manufactured to precise tolerances for a reliable fit and function.

Built For Performance

  • Direct replacement for OEM part number 44-9143
  • Precision voltage sensing for accurate output control
  • Rugged casing withstands vibration and temperature extremes
  • High-quality transistors for fast switching response
  • Sealed components resist moisture and contaminants
  • Designed to work with Thermo King alternator systems

Fits These Machines

  • for Thermo King Spectrum
  • for Thermo King S-II
  • for Thermo King SL Super-II
  • for Thermo King TCI

On-The-Job Use

  • Suitable for over-the-road trailer refrigeration units
  • Used in truck-mounted cooling systems for perishable cargo
  • Supports reliable operation in extreme weather conditions from desert heat to arctic cold
  • Ideal for fleet maintenance replacement programs

Specs At A Glance

Part Number(s) 44-9143
Type Voltage Regulator
Compatible Brand for Thermo King

Good To Know

Q: Is this voltage regulator a direct replacement for the original Thermo King part? A: Yes, it is designed as an aftermarket replacement for OEM part 44-9143 and is built to match original specifications. Always verify your unit model and serial number to confirm compatibility.

Q: What are signs that the voltage regulator is failing? A: Symptoms include dimming or brightening lights, battery issues, or intermittent system shutdowns. Replacing an unreliable regulator with this unit helps restore stable electrical performance.

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

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