Excavator Filters
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Radial-seal inner/safety engine air-filter element identified by manufacturer number P131394 and direct equipment reference 6681475. The equipment manufacturer publishes 6681475 for 963, A300, S220, S250, S300 and S330 skid-steer loaders and T250, T300 and T320 compact track loaders. Published dimensions are 85.3 mm outer diameter, 73.7 mm inner diameter, 279.4 mm length and 16.8 mm bolt-hole diameter. Confirm machine serial number and the outer filter pairing 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 | P131394 |
| Direct Equipment Cross-Reference | Published inner air-filter reference | 6681475 |
| Related Outer Filter | Paired outer filter; not a direct interchange | 6681474 |
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
4 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 skid-steer loaders: 963, A300, S220, S250, S300, S330, Published compact track loaders: T250, T300, T320, Related outer filter: 6681474, Fitment limitation: Filter selection varies by serial number and engine; confirm 6681475, dimensions and machine serial number. Confirm the complete part number and machine serial range before ordering.
Documented direct interchanges: 6681475. Related assembly numbers (not direct interchanges): 6681474.
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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