How do I confirm pilotpart125523 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

For Cummins Alternator

Alternator 3939028 for Cummins

Q: What part numbers are associated with this Alternator?

3939028, 3939028RX, 3920678, 3911247, 3604479, 3604479RX, 3284392, 3284391, 6C8.3, 4B3.9, 3020678

OEM / REF: 3939028SKU: pilotpart125523

24V Alternator 3939028 for Cummins Engine 6B5.9 6C8.3 QSB6.7 4B3.9 Hyundai R200LC H70 H70LGP H80 H80LGP is a Alternator replacement part for Cummins Engine Spare Parts, categorized under Engine Spare Parts > Alternator. Use OEM part number 3939028 and confirm machine model, engine model, and serial details before ch...

Stock: In stock
Condition: New
Fitment: Cummins Engine Spare Parts
Category: Alternator

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$113.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 21 – Aug 28
10	Aug 19 – Aug 26
50	Aug 17 – Aug 24

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Alternator Description

The product belongs to Engine Spare Parts > Engine Auxiliary Components > Alternator, making it useful when comparing related engine spare parts Alternator options for Cummins Engine Spare Parts.

Additional cross references on file: 3939028RX, 3920678, 3911247. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3939028 3939028RX 3920678 3911247 3604479 3604479RX 3284392 32843916C8.34B3.93020678

Fitment Notes

Brand or application signal: Cummins Engine Spare Parts
Product family: Alternator
System category: Engine Spare Parts > Engine Auxiliary Components > Alternator
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.