How do I confirm pilotpart146003-8469772304632 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

Water Tank Radiator 374-0171 3740171 for Caterpillar CAT Engine C2.6 Excavator 305.5 306 306E

For Caterpillar Radiator

Radiator CA3740171 for Caterpillar

OEM / REF: CA3740171SKU: pilotpart146003-8469772304632

Water Tank Radiator 374-0171 3740171 for Caterpillar CAT Engine C2.6 Excavator 305.5 306 306E is a Radiator replacement part for Caterpillar HVAC Parts, categorized under HVAC Parts > Radiator. Use OEM part number CA3740171 and confirm machine model, engine model, and serial details before checkout.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$669.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 9 – Aug 16
10	Aug 7 – Aug 14
50	Aug 5 – Aug 12

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 Caterpillar CAT Excavator: 305.5, 306, 306E. Compare reference number CA3740171 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 374-0171. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA3740171 374-0171

Applications

Caterpillar CAT Excavator: 305.5, 306, 306E

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.