How do I confirm pilotpart099399 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

Voltage Regulator 9X9591 512-5720 for Caterpillar Engine CAT 3412 3412C 3456 3508 3508B 3512 3512B 3516 3516B PP3516

For Caterpillar Engine Assembly

Engine Assembly CA9X9591 for Caterpillar

Q: What part numbers are associated with this Engine Assembly?

CA9X9591, 9X-9591, 512-5720, 3412, 3456, 3508, 3512, 3516, 3606, 3608, 3612, 3616

OEM / REF: CA9X9591SKU: pilotpart099399

Caterpillar Engine Assembly CA9X9591 is listed under Machinery & Equipment > Engine Assembly with catalog data including Part Number: CA9X9591, 9X-9591, 9X9591, 512-5720, 5125720. Verify fitment for Caterpillar Machinery & Equipment using the OEM number, mounting points, and photos of your existing part.

Stock: In stock
Condition: New
Fitment: Caterpillar Machinery & Equipment
Category: Engine Assembly

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,181.08USD/EA

~~$29,899.00~~Save 96%

Estimated delivery by quantity

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

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

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

Engine Assembly Description

This Engine Assembly is indexed for Part Number. Compare reference number CA9X9591 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 9X-9591, 512-5720, 3412. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA9X9591 9X-9591 512-5720341234563508351235163606360836123616

Applications

Part Number

Specifications

Part Number	CA9X9591, 9X-9591, 9X9591, 512-5720, 5125720

Fitment Notes

Brand or application signal: Caterpillar Machinery & Equipment
Product family: Engine Assembly
System category: Machinery & Equipment > Engine & Power Systems > Engine Assembly
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.