How do I confirm pilotpart479187-9439092637944 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

For Caterpillar Air Filter

Air Filter 4W-6691 for Caterpillar

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

4W-6691, CA4W6691, P158676, D180236, D180238, 46251, AF4886

OEM / REF: 4W-6691SKU: pilotpart479187-9439092637944

Air Filter 4W-6691 for Caterpillar CAT Engine 3054 Backhoe Loader 416B 428B is a Air Filter replacement part for Caterpillar Seals, Filters & Maintenance Parts, categorized under Seals, Filters & Maintenance Parts > Air Filter. Use OEM part number 4W-6691 and confirm machine model, engine model, and serial details b...

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

$31.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Nov 8 – Nov 15
10	Nov 6 – Nov 13
50	Nov 4 – Nov 11

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 Backhoe Loader: 416B, 428B. Compare reference number 4W-6691 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA4W6691, P158676, D180236. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4W-6691 CA4W6691 P158676 D180236 D18023846251AF4886

Applications

Caterpillar Fit for Caterpillar CAT Backhoe Loader: 416B, 428B

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.