Identifying the Alternator & Serpentine Belt on the QSB 5.9
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Cummins Serpentine Belt for QSB 5.9 Engine CPN 5466980 (ORANGE)
Original price was: $100.00.$85.00Current price is: $85.00.
** New Number 5466980 Replaces 3975127 **
Shipping Weight | 1 lbs |
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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.

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

Identifying the Alternator on the QSB 5.9







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