How do I confirm pilotpart445010 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

Air Filter 4N-0015 3I-0399 4N0015 For CAT HT400 Engine C15 C18 3456 3412 3408 3408B 3412E

For Caterpillar Air Filter

Air Filter 3I-0399 for Caterpillar Fit for CAT Pump HT400

Q: What part numbers are associated with this Air Filter?

3I-0399, 4N-0015, 4N15, CA3I0399, CA4N0015, LAF15, AEP3515, AF1869, 3406B, 3412

OEM / REF: 3I-0399SKU: pilotpart445010

Air Filter 4N-0015 3I-0399 4N0015 For CAT HT400 Engine C15 C18 3456 3412 3408 3408B 3412E is a Air Filter replacement part indexed for Part Number and Caterpillar Fit for CAT Pump HT400. Match OEM part number 3I-0399 and confirm fitment for Caterpillar Seals, Filters & Maintenance Parts before ordering.

Stock: In stock
Condition: New
Fitment: Caterpillar Seals, Filters & Maintenance Parts
Category: Air Filter

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$176.53USD/EA

~~$5,799.00~~Save 97%

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

Confirm fitment before ordering →

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

Air Filter Description

This Air Filter is indexed for Part Number; Caterpillar Fit for CAT Pump HT400. Compare reference number 3I-0399 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 4N-0015, 4N15, CA3I0399. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3I-0399 4N-00154N15CA3I0399 CA4N0015 LAF15 AEP3515 AF1869 3406B3412

Applications

Part Number
Caterpillar Fit for CAT Pump HT400

Specifications

Part Number	3I-0399, 3I0399, 4N-0015, 4N0015

Fitment Notes

Brand or application signal: Caterpillar Seals, Filters & Maintenance Parts
Product family: Air Filter
System category: Seals, Filters & Maintenance Parts > Filters > Air Filter
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.