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Excavator Filters

P181042 373 mm Primary Round Air Filter for STG16 Air Cleaner

Name: P181042 373 mm Primary Round Air Filter for STG16 Air Cleaner
Brand: EexcavaStart
SKU: P181042

OEM / referenceP181042

SpecificationPrimary Round Air Filter Element

Catalog ID87354915

Round primary air-filter element identified by Donaldson number P181042. Published specifications identify the STG family, 99.9% ISO 5011 efficiency, cellulose media, approximately 372.9 mm outside diameter, 262.6 mm inside diameter and 610.1 mm element length. The manufacturer off-road filtration record identifies the Donaldson STG16 air cleaner as the primary application and P128408 as the associated inner/safety element. P128408 is not presented as interchangeable with P181042.

Fitment status: Verified · Checked 2026-07-28

Product Type: Primary Round Air Filter Element
Product Brand: EexcavaStart
Filter Family: STG
Media: Cellulose
Published Efficiency: 99.9% to ISO 5011
Outside Diameter: 372.9 mm / 14.68 in
Inside Diameter: 262.6 mm / 10.34 in
Element Length: 610.1 mm / 24.02 in
Published Overall Length: 622.8 mm / 24.52 in

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Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Part Number	Donaldson primary round air-filter element	P181042
Associated Inner / Safety Element	Paired element in STG16 air cleaner; not interchangeable	P128408
Published Cross-Reference	Fleetguard reference in the manufacturer cross-reference table	AF1605M
Manufacturer Alternate Primary Element	Alternate primary element for the same STG16 air cleaner	P182042

Evidence record

Source: Exact-reference evidence retained for internal audit
Evidence grade: multi-source-supported
Checked: 2026-07-28

Source URLs, catalog files and local evidence paths are stored in the protected product audit record and are not public outbound links.

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

P181042
P182042

Other documented relationship

P128408
AF1605M

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

Product summary

Primary Round Air Filter Element

Category: Excavator Filters
Catalog ID: 87354915
Photo views: 2

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

2 model references

Air-cleaner family: Donaldson STG16
Fitment limitation: Confirm P181042, 372.9 x 262.6 mm diameters, length, seal face and air-cleaner housing

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 P181042

Which machines use P181042?

Recorded compatible model references include Air-cleaner family: Donaldson STG16, Fitment limitation: Confirm P181042, 372.9 x 262.6 mm diameters, length, seal face and air-cleaner housing. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for P181042?

P181042 is the only classified number in the current evidence record. Send the original nameplate for an alternate-number check.

How do I confirm P181042 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 recovered references from the same system.

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