Description

Overview

Thermo King alternator 120A supports refrigeration unit charging systems where the alternator must match the fitted Bosch pattern, output rating and mounting layout. It suits 12V system applications and carries a 14V alternator output rating for the charging circuit.

Features

• 120A alternator for Thermo King refrigeration unit applications.
• 14V output rating for 12V charging system fitment.
• Clockwise rotation with single pivoted lever mounting.
• B+(M6) and W terminals, supplied without belt pulley.

Specifications and Materials

This Thermo King alternator 120A has a listed alternator charging current of 120A, 14V output rating, clockwise rotation and plug type ID 73. Check the fitted pulley, belt setup and terminal layout before ordering, because this alternator lists without a belt pulley.

Part number: 1986A00014.

See the official Bosch AL9120N alternator page

Compatibility and Fitment

Match the existing alternator number, mounting type, pulley arrangement and Thermo King refrigeration unit application before fitting. These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. AL9120N, 0 120 484 028, 0120484028, 0 120 484 049, 0120484049, 0 986 AN0 538, 0986AN0538, 1 986 A01 574, 1986A01574, 20415456, 20415456RM, 20452259, 1E51762G0, 10415456, 10415456B, 412259, 415456, 415456B, 452259, 8415456, 452699.

Compliance and Safety

Charge and test the battery before fitting the alternator. Also inspect the battery cables, charging circuit connections and belt condition, because poor connections or belt slip can overload the new alternator and shorten service life.

Trailer Applications

Workshops use this Thermo King alternator 120A on refrigerated trailer and transport refrigeration units that match the Bosch AL9120N alternator family. It suits service work where the existing unit needs a 120A replacement rather than a lower-output alternator.

Cross-reference and Suitability

This part cross-references to or suits the following equivalent part numbers and compatible alternatives:

Why Choose ICS Trailers

ICS Trailers can help match alternators, charging parts and refrigeration unit electrical components against the fitted part number before ordering. Browse more parts in Electrical