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CumminsISB / QSBService Manuals

Cummins 4021524 Wiring Diagram For Qsb, Qsc, Qsl, And 6CTA Engines

Genuine Cummins Part

OEM #: 4021524SKU: 4021524

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$102.70

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Special Order Item - not eligible for return

SKU 4021524
OEM Number 4021524
Part Type Manuals, Service
OEM Brand CUMMINS

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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.