Excavator Filters
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Obround PowerCore primary engine-air filter identified by part number P635904. Manufacturer filtration records list it for excavator applications and pair it with P635980 as the separate safety element. The published competitive-fit table maps the primary element to CP29550, CA30071, AF1010 and 49501. Those references apply to the primary filter; the P635980 safety element is not interchangeable with it.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | PowerCore primary air-filter element | P635904 |
| Associated Safety Element | Paired safety filter; not interchangeable | P635980 |
| Published Cross-Reference | Mann + Hummel primary-filter reference | CP29550 |
| Published Cross-Reference | Baldwin primary-filter reference | CA30071 |
| Published Cross-Reference | Fleetguard primary-filter reference | AF1010 |
| Published Cross-Reference | Wix primary-filter reference | 49501 |
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
2 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 Equipment family: Excavator applications, Fitment limitation: Confirm P635904 or a published primary-filter cross-reference, housing shape, seal profile and paired P635980 safety element. Confirm the complete part number and machine serial range before ordering.
No alternate number is listed for P635904. 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.
Continue comparing verified references from the same system.
Excavator Filters529-0132 Secondary Engine Air Filter for Cat 320E 320F D6K2 953K529-0132
Excavator Filters528-7222 Primary Engine Air Filter for Cat 320E 320F D6K2 953K528-7222
Excavator Filters479-8991 Secondary Engine Air Filter for Cat 320 320 GC 323479-8991
Excavator Filters479-8989 Primary Engine Air Filter for Cat 320 320 GC 323479-8989
