Alternator illustration – not the actual part
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Alternator illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

CumminsKTA / QSK / QSVStarters & Alternators

Cummins 4381504 Alternator For QSK45 Diesel Engines

Genuine Cummins Part

OEM #: 4381504SKU: 4381504

Special Order

$1,341.08

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

This is a genuine Cummins Alternator for QSK45 engines.

SKU 4381504
OEM Number 4381504
Part Type Alternators
OEM Brand CUMMINS
  • 4101372

Warranty

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Genuine Cummins parts warranty

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.