OEM / REF: 146-7472SKU: pilotpart440663
Air Filter Set 146-7472 146-7473 for Caterpillar CAT Excavator 302.5 301.5 301.6 301.8 303 303.5 303.5C 303.5D is a Air Filter replacement part indexed for Caterpillar AP-255E and Caterpillar 301.5, with 3 application records on file. Match OEM part number 146-7472 and confirm fitment for Caterpillar Seals, Filters...
This Air Filter is indexed for Caterpillar AP-255E; Caterpillar 301.5; Caterpillar 301.6; Caterpillar 301.8. Compare reference number 146-7472 against the label on your existing Caterpillar component before ordering.
Additional cross references on file: 146-7473. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.
| Outer Air Filter | Outside Diameter：4-1/8"<br>Inside Diameter：2-1/2"<br>Overall Height：10-3/4" |
|---|---|
| Inner Air Filter | Outside Diameter：2-3/8"<br>Inside Diameter：1-3/4"<br>Overall Height：10-1/4" |
| Part Number | 146-7472, 146-7473 |
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
