How do I confirm pilotpart664979 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 11T Starter Motor 520-6650 for Caterpillar CAT Engine C9.3 C9 C13 Transmission CX31-P600

For Caterpillar Starter Motor

Starter Motor CA5206650 for Caterpillar

Q: What part numbers are associated with this Starter Motor?

CA5206650, 520-6650, M105R3138SE

OEM / REF: CA5206650SKU: pilotpart664979

24V 11T Starter Motor 520-6650 for Caterpillar CAT Engine C9.3 C9 C13 Transmission CX31-P600 is a Starter Motor replacement part for Caterpillar Engine Spare Parts, categorized under Engine Spare Parts > Starter Motor. Use OEM part number CA5206650 and confirm machine model, engine model, and serial details before c...

Stock: In stock
Condition: New
Fitment: Caterpillar Engine Spare Parts
Category: Starter Motor

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$389.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 24 – Aug 31
10	Aug 22 – Aug 29
50	Aug 20 – Aug 27

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.

Starter Motor Description

This Starter Motor is indexed for Caterpillar CAT Transmission: CX31-P600-C9.3I for CAT Petroleum Power Train Package: CX31-P600-C13I, CX31-P600-C9I. Compare reference number CA5206650 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 520-6650, M105R3138SE. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA5206650 520-6650 M105R3138SE

Applications

Caterpillar CAT Transmission: CX31-P600-C9.3I for CAT Petroleum Power Train Package: CX31-P600-C13I, CX31-P600-C9I

Fitment Notes

Brand or application signal: Caterpillar Engine Spare Parts
Product family: Starter Motor
System category: Engine Spare Parts > Engine Auxiliary Components > Starter Motor
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.