Excavator Filters
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Safety RadialSeal-style air filter identified by P533884. Published exact-number data lists Caterpillar 106-3973 and the Caterpillar 777 off-highway truck as the primary application. Published dimensions are 230.9 mm outer diameter, 176.3 mm inner diameter and 451.2 mm length. Confirm the complete number, dimensions, air-cleaner housing and machine serial range before ordering.
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 | Safety air-filter element number | P533884 |
| Equipment Manufacturer Part Number | Published Caterpillar primary application | 106-3973 |
| Published Aftermarket Comparison | Verify dimensions and filtration grade | AF25263 / RS3701 / LAF3884 / CF23398 / 46747 |
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 primary application: Caterpillar 106-3973, Published equipment model: Caterpillar 777 off-highway truck, Fitment limitation: Confirm P533884, 230.9 x 176.3 x 451.2 mm dimensions, air-cleaner housing and serial range. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: 106-3973.
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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