How do I confirm pilotpart166291-9476087021816 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 6I-6434 for Caterpillar CAT 311 312 Sumitomo SH120 Excavator

For Caterpillar Air Filter

Air Filter P815278 for Caterpillar

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

P815278, CA6I6434, 6I6434, 2446U264S2

OEM / REF: P815278SKU: pilotpart166291-9476087021816

Air Filter 6I-6434 for Caterpillar CAT 311 312 Sumitomo SH120 Excavator is a Air Filter replacement part for Caterpillar Seals, Filters & Maintenance Parts, categorized under Seals, Filters & Maintenance Parts > Air Filter. Use OEM part number P815278 and confirm machine model, engine model, and serial details befor...

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

$112.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Nov 7 – Nov 14
10	Nov 5 – Nov 12
50	Nov 3 – Nov 10

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 Caterpillar Fit for Caterpillar CAT Excavator: 311, 312 Fit for Sumitomo Excavator: SH120 Fit for Kobelco Excavator: SK100. Compare reference number P815278 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA6I6434, 6I6434, 2446U264S2. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

P815278 CA6I6434 6I6434 2446U264S2

Applications

Caterpillar Fit for Caterpillar CAT Excavator: 311, 312 Fit for Sumitomo Excavator: SH120 Fit for Kobelco Excavator: SK100

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.