For excavators, loaders, crushers, dump trucks and dusty construction jobsites, an engine air filter should not be selected by part number alone. Buyers should verify outside diameter, inside diameter, height, sealing surface, media structure and real installation space before confirming a replacement. This guide uses C12004, P955961, P153551, P772579, P185485, 1869993, 21834205 and R005061 as searchable references for construction machinery and heavy-duty service.
A clogged or incorrectly sized air filter can increase intake restriction, damage the seal, let dust bypass the media or shorten engine service life. On mixed fleets, the same workshop may handle truck, loader and excavator filters, so cross references must be checked against the actual old filter and machine condition. Construction machinery application and engine air filter category show the wider product range.
Why dimensions decide whether an air filter can be ordered safely
The key air filter parameters are height, outside diameter, inside diameter, seal shape, seating depth, housing type and whether a safety element is used. If one of these points differs, the filter may not seal even when the cross-reference number looks close.
Product models to verify before inquiry
| Model | Brand | Type | Key dimensions | Cross references | Verification |
|---|---|---|---|---|---|
| C12004 | MANN | engine air filter | H 323 mm, OD 119 mm, ID 83 mm | BOMAG 05727662, DYNAPAC 4812161586, LINDE 0009839043 | Check housing, seal and old filter before ordering. |
| P955961 | Donaldson | engine air filter | OD 132 mm, ID 64 mm, L 290 mm | MANN C 13 154, Case IH 299643A1, Fleetguard AF26191 | Check housing, seal and old filter before ordering. |
| P153551 | Donaldson | large cylindrical air filter | OD 269.75 mm, ID 167.89 mm, L 559.31 mm | Baldwin PA2705, Fleetguard AF1968, Caterpillar 3I-0415 | Check housing, seal and old filter before ordering. |
| P772579 | Donaldson | engine air filter | Overall length 328.5 mm, OD 140.5 mm, ID 81 mm | Baldwin RS3542, Fleetguard AF25526, WIX 46652 | Check housing, seal and old filter before ordering. |
| P185485 | Donaldson | primary air filter | OD 238 mm, ID 147 mm, L 402 mm | Donaldson X012293, Baldwin PA2485, Fleetguard AF4504 | Check housing, seal and old filter before ordering. |
| 1869993 | Scania | truck air filter | Overall length 456 mm, OD 304 mm, ID 169 mm | Scania 1870002, Fleetguard AF27940, MANN C31014 | Check housing, seal and old filter before ordering. |
| 21834205 | Volvo | truck air filter | OD 331.5 mm, ID 210.5 mm, L 392 mm | Volvo 21243188, MANN C 33 1460/1, Fleetguard AF27970 | Check housing, seal and old filter before ordering. |
| R005061 | Donaldson | heavy-duty engine air filter | Overall length 555.6 mm, OD 260 mm, L 515 mm | SINOTRUK WG9X25190062, FAW 11090702000, MANN C 27 013 | Check housing, seal and old filter before ordering. |
The related P955961, P153551 and P772579 guide connects these models with dusty jobsite service and package selection.
Air filter dimension checklist
- Measure overall height, outside diameter and inside diameter with the old part removed.
- Check whether the filter uses radial seal, axial seal, flange, safety element or housing-specific design.
- Compare the cross-reference number with dimensions and media, not with brand name only.
- Confirm whether the equipment uses a primary element, safety element or air cleaner assembly.
- Ask for product photos, carton label, sample, annual quantity and destination market before bulk order.
Common mismatch risks
- A correct part number may still fail if the housing has been changed.
- A similar OD with different ID can damage the seal or leave a dust bypass gap.
- Too small dust-holding capacity is risky for quarry, mining and demolition sites.
- Do not replace a safety element with a primary element or a cabin air filter.
What to send to GUOHAO for quotation
For OEM/private-label or distributor orders, send the old part number, product photos, measured dimensions, machine model, expected quantity, packaging request and target market. GUOHAO can support samples, carton labeling, export packing and cross-reference checking before production.
FAQ
Is one cross-reference number enough?
No. A cross-reference number is only a starting point; dimensions, seal, housing, media and working conditions still need to be checked.
Which models should be included in an inquiry?
Send the main number, possible replacements, old filter photos, measured dimensions and machine model, for example C12004, P955961, P153551, P772579, P185485, 1869993, 21834205 or R005061.
Can OEM/private-label packaging be supported?
Yes. GUOHAO can support samples, carton labels, export marking and checks before bulk production.
