How do I confirm pilotpart382355-8450708766968 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

Oil Cooler 1643599 for Caterpillar Excavator CAT 315B L 317B LN 318B 318B LN

For Caterpillar Hydraulic Oil Cooler

Hydraulic Oil Cooler CA1643599 for Caterpillar

OEM / REF: CA1643599SKU: pilotpart382355-8450708766968

Oil Cooler 1643599 for Caterpillar Excavator CAT 315B L 317B LN 318B 318B LN is a Hydraulic Oil Cooler replacement part for Caterpillar HVAC Parts, categorized under HVAC Parts > Hydraulic Oil Cooler. Use OEM part number CA1643599 and confirm machine model, engine model, and serial details before checkout.

Stock: In stock
Condition: New
Fitment: Caterpillar HVAC Parts
Category: Hydraulic Oil Cooler

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$976.00USD/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

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.

Hydraulic Oil Cooler Description

This Hydraulic Oil Cooler is indexed for Caterpillar s:Caterpillar Excavators: 315B L, 317B LN, 318B, 318B LN. Compare reference number CA1643599 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 164-3599, 318B. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA1643599 164-3599318B

Applications

Caterpillar s:Caterpillar Excavators: 315B L, 317B LN, 318B, 318B LN

Fitment Notes

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