How do I confirm pilotpart232979 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

24V 260A Alternator 4086503 4066253 for Cummins Engine QSK38 QSK45 QSK50 QSK60 QSK78 ISBE Komatsu Truck AFE48

For Komatsu Alternator

Alternator C653A for Komatsu

Q: What part numbers are associated with this Alternator?

C653A, 4086503, 4086503NX, 4086503RX, 4066253, 4017420, AFE48-CU, AFE48-CX, AFE48-DB/DC, AFE48-DF, 3425404

OEM / REF: C653ASKU: pilotpart232979

24V 260A Alternator 4086503 4066253 for Cummins Engine QSK38 QSK45 QSK50 QSK60 QSK78 ISBE Komatsu Truck AFE48 is a Alternator replacement part for Komatsu Engine Spare Parts, categorized under Engine Spare Parts > Alternator. Use OEM part number C653A and confirm machine model, engine model, and serial details befor...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$4,260.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

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 Komatsu Engine Spare Parts.

Additional cross references on file: 4086503, 4086503NX, 4086503RX. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

C653A 4086503 4086503NX 4086503RX 4066253 4017420 AFE48-CU AFE48-CX AFE48-DB/DC AFE48-DF 3425404

Fitment Notes

Brand or application signal: Komatsu 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.