How do I confirm pilotpart105503 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

Engine Radiator 1643599 for Caterpillar Excavator CAT 315B L 317B LN 318B 318B LN

For Caterpillar Radiator

Radiator CA1643599 for Caterpillar

Q: What part numbers are associated with this Radiator?

CA1643599, 164-3599, 315B, 317B, 318B

OEM / REF: CA1643599SKU: pilotpart105503

Caterpillar Radiator CA1643599 is listed under HVAC Parts > Radiator with catalog data including Part Number: CA1643599, 164-3599, 1643599. Verify fitment for Caterpillar HVAC Parts using the OEM number, mounting points, and photos of your existing part.

Stock: In stock
Condition: New
Fitment: Caterpillar HVAC Parts
Category: Radiator

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,389.71USD/EA

~~$29,899.00~~Save 95%

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

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.

Radiator Description

This Radiator is indexed for Part Number. Compare reference number CA1643599 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 164-3599, 315B, 317B. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA1643599 164-3599315B317B318B

Applications

Part Number

Specifications

Part Number	CA1643599, 164-3599, 1643599

Fitment Notes

Brand or application signal: Caterpillar HVAC Parts
Product family: Radiator
System category: HVAC Parts > Cooling System Components > Radiator
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.