Excavator Filters
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Primary standard-efficiency engine air-filter element identified by Cat part number 528-7222. Manufacturer records list excavators and other heavy equipment including 320E, 320F L, D6K2, 953K, 963K and MH3024.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | Primary air filter | 528-7222 |
| Published Aftermarket Cross Reference | HIFI primary air filter | SA 17463 |
| Published Aftermarket Cross Reference | Donaldson primary air filter | P629543 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
3 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Recorded compatible model references include Published excavators: 320E / 320F L / 320D2 / 323E / 323F, Other published equipment: D6K2 / D6N / 953K / 963K / MH3024, Fitment limitation: Confirm machine serial prefix and paired safety element. Confirm the complete part number and machine serial range before ordering.
No alternate number is listed for 528-7222. Send the original nameplate for an alternate-number check.
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
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