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Cummins Serpentine Belt for QSB 5.9 Engine CPN 5466980 (ORANGE)

$99.00

** New Number 5466980 Replaces 3975127 **

Identifying the Alternator & Serpentine Belt on the QSB 5.9

Shipping Weight

1 lbs

Shipping Dimensions 8 × 6 × 1 in

In stock

Description

Which serpentine belt do I need on my Cummins Marine QSB 5.9 engine?

Engines with 19SI alternators use the ORANGE BELT

Early QSB - 19SI Alternator
Early QSB – 19SI Alternator

Engines with 21/22SI or 24SI alternators use the BROWN BELT

An example of a 21-22SI QSB Alternator
An example of a 21-22SI QSB Alternator

Identifying the Alternator on the QSB 5.9

An example of a 21-22SI QSB Alternator
An example of a 21-22SI QSB Alternator
QSB 24SI Alternator
QSB 24SI Alternator
An example of a 160 Amp 24SI Alternator
An example of a 160 Amp 24SI Alternator
Terminal Identification Pin 1 is Field terminal, pin 2 is a sensing lead
Terminal Identification Pin 1 is Field terminal, pin 2 is a sensing lead
Ground lead location on a QSB 21/22SI Alternator
Ground lead location on a QSB 21/22SI Alternator
Early QSB - 19SI Alternator
Early QSB – 19SI Alternator
QSB - 19SI Alternator
QSB – 19SI Alternator

QSB Alternators

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