Excavator Filters

P821883 1355788 Primary Air Filter for Caterpillar 315C 315D 317B 318C

Q: What numbers are documented for P821883?

Primary Manufacturer Part Number: P821883. Equipment Manufacturer Part Number: 1355788. Equipment Manufacturer Part Number: 4283861. Related Safety Filter: P821908 / Caterpillar 1355787 / Hitachi 4287060. Published Filter Cross-Reference: Fleetguard AF25834 / Baldwin RS3540. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm P821883 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.

P821883 1355788 Primary Air Filter for Caterpillar 315C 315D 317B 318C, OEM/reference P821883, RadialSeal Primary Air Filter, product view 1

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OEM / referenceP821883

SpecificationRadialSeal Primary Air Filter

Catalog ID72416344

RadialSeal primary air-filter element identified by P821883. Published manufacturer and equipment records map it to Caterpillar 1355788 for 315B, 315C, 315D, 317B and 318-series excavators, and to Hitachi 4283861 in supported equipment. The exact specification gives a 207.7 mm outer diameter, 122.4 mm inner diameter and 357.2 mm length. Confirm the complete number, P821908 safety-filter pairing, air-cleaner housing and machine serial range before ordering.

Product Type: RadialSeal Primary Air Filter
Product Brand: EexcavaStart
Outer Diameter: 207.7 mm
Inner Diameter: 122.4 mm
Length: 357.2 mm
Efficiency: 99.9%
Efficiency Test Standard: ISO 5011
Media Type: Cellulose
Type: Primary
Style: RadialSeal
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Part Number	RadialSeal primary air-filter number	P821883
Equipment Manufacturer Part Number	Published Caterpillar equipment reference	1355788
Equipment Manufacturer Part Number	Published Hitachi equipment reference	4283861
Related Safety Filter	Published air-cleaner pairing; not a direct interchange	P821908 / Caterpillar 1355787 / Hitachi 4287060
Published Filter Cross-Reference	Verify dimensions and air-cleaner housing	Fleetguard AF25834 / Baldwin RS3540

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

P821883

Manufacturer number

1355788
4283861

Related assembly

P821908 / Caterpillar 1355787 / Hitachi 4287060

Other documented relationship

Fleetguard AF25834 / Baldwin RS3540

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

Product summary

RadialSeal Primary Air Filter

Category: Excavator Filters
Catalog ID: 72416344
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

5 model references

Equipment: Caterpillar 315B / 315BL
Equipment: Caterpillar 315C / 315CL / 315D / 315DL
Equipment: Caterpillar 317B / 317BL
Equipment: Caterpillar 318B / 318C / 318D
Fitment limitation: Confirm P821883 / 1355788, 207.7 x 357.2 mm envelope, P821908 safety-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 P821883

Which machines use P821883?

Recorded compatible model references include Equipment: Caterpillar 315B / 315BL, Equipment: Caterpillar 315C / 315CL / 315D / 315DL, Equipment: Caterpillar 317B / 317BL, Equipment: Caterpillar 318B / 318C / 318D, Fitment limitation: Confirm P821883 / 1355788, 207.7 x 357.2 mm envelope, P821908 safety-filter pairing and machine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for P821883?

Manufacturer number: 1355788, 4283861. Related assembly numbers (not direct interchanges): P821908 / Caterpillar 1355787 / Hitachi 4287060.

How do I confirm P821883 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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