Excavator Filters

P821908 1355787 Safety Air Filter for Caterpillar 315C 315D 317B 318C

Q: What numbers are documented for P821908?

Primary Manufacturer Part Number: P821908. Equipment Manufacturer Part Number: 1355787. Equipment Manufacturer Part Number: 4287060. Related Primary Filter: P821883 / Caterpillar 1355788 / Hitachi 4283861. Published Filter Cross-Reference: Fleetguard AF25413 / Baldwin RS3541. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm P821908 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

P821908 1355787 Safety Air Filter for Caterpillar 315C 315D 317B 318C, OEM/reference P821908, RadialSeal Safety Air Filter, product view 1

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OEM / referenceP821908

SpecificationRadialSeal Safety Air Filter

Catalog ID73611249

RadialSeal safety air-filter element identified by P821908. Published manufacturer and equipment records map it to Caterpillar 1355787 for 315B, 315C, 315D, 317B and 318-series excavators, and to Hitachi 4287060 in supported equipment. The exact specification gives a 125.8 mm outer diameter, 102.1 mm inner diameter and 350 mm length. Confirm the complete number, P821883 primary-filter pairing, air-cleaner housing and machine serial range before ordering.

Product Type: RadialSeal Safety Air Filter
Product Brand: EexcavaStart
Outer Diameter: 125.8 mm
Inner Diameter: 102.1 mm
Length: 350 mm
Efficiency Test Standard: ISO 5011
Media Type: Safety
Type: Safety
Style: RadialSeal
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Part Number	RadialSeal safety air-filter number	P821908
Equipment Manufacturer Part Number	Published Caterpillar equipment reference	1355787
Equipment Manufacturer Part Number	Published Hitachi equipment reference	4287060
Related Primary Filter	Published air-cleaner pairing; not a direct interchange	P821883 / Caterpillar 1355788 / Hitachi 4283861
Published Filter Cross-Reference	Verify dimensions and air-cleaner housing	Fleetguard AF25413 / Baldwin RS3541

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

P821908
P821883 / Caterpillar 1355788 / Hitachi 4283861

Manufacturer number

1355787
4287060

Other documented relationship

Fleetguard AF25413 / Baldwin RS3541

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

RadialSeal Safety Air Filter

Category: Excavator Filters
Catalog ID: 73611249
Photo views: 3

Before ordering

Confirm these details

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.

Machine fitment

Compatible model references

6 model references

Equipment: Caterpillar 315B / 315BL
Equipment: Caterpillar 315C / 315CL / 315D / 315DL
Equipment: Caterpillar 317B / 317BL
Equipment: Caterpillar 318B / 318C / 318D
Equipment: Hitachi LX70-2
Fitment limitation: Confirm P821908 / 1355787, 125.8 x 350 mm envelope, P821883 primary-filter pairing and machine serial range

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

Common questions about P821908

Which machines use P821908?

Recorded compatible model references include Equipment: Caterpillar 315B / 315BL, Equipment: Caterpillar 315C / 315CL / 315D / 315DL, Equipment: Caterpillar 317B / 317BL, Equipment: Caterpillar 318B / 318C / 318D, Equipment: Hitachi LX70-2, Fitment limitation: Confirm P821908 / 1355787, 125.8 x 350 mm envelope, P821883 primary-filter pairing and machine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for P821908?

Manufacturer number: 1355787, 4287060.

How do I confirm P821908 before ordering?

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.

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