Direct answer: Buyers comparing C105003, 2116040235, 1627410030, AS2519 should treat the part number as a screening point, not as final approval. For stationary generators, rotary compressors, diesel engines and auxiliary power units, the safer purchasing process is to confirm filter type, dimensions, sealing surface, service role and working conditions before ordering samples or bulk stock.
This page is intended for generator service companies, compressor dealers and power-unit maintenance buyers. The products below are organized around continuous running, high intake demand, oil mist control, fuel cleanliness and shutdown risk, where a wrong filter can increase pressure drop, oil carry-over, injector wear or unplanned downtime.
Confirm the housing before approving the air filter
Start from the machine or engine model, then match each replacement filter to its real system role. A service order may include air filtration, fuel cleanliness, water separation, lube protection or hydraulic cleanliness, so the quotation should not hide all references under one generic filter name.
Product records provide additional application context: The Donaldson C105003 is a versatile air cleaner used across several industries, ①Industrial Compressors & Power Generation. ②Construction & Agriculture. ③Transportation & Specialty Vehicles. This filter is specifically engineered for Fusheng screw air compressors, particularly for models in the SA Series and SAV Series. Its typical applications include: ①Rotary Screw Systems. ②Variable Speed Drive (VSD) Units: Ensuring clean ...
Model references used in this article
| Model | Brand | Filter type | Purchasing note |
|---|---|---|---|
| C105003 | Donaldson | engine air filter | confirm as the lead reference |
| 2116040235 | Fusheng | honeycomb air filter | check as a paired service item |
| 1627410030 | Quincy | honeycomb air filter | use for cross-reference screening |
| AS2519 | Fleetguard | lube oil filter | verify dimensions before sample approval |
| 3971070 | Cummins | honeycomb air filter | include for complete maintenance coverage |
Dimensions and sealing details that matter
- Ask for the old filter label, stamped number and machine model.
- Confirm height, outside diameter, inner diameter, thread or end-cap style when available.
- Check whether the buyer needs a single replacement or a complete service set.
- Separate neutral packing, Precise packing and customer private-label packing in the quotation.
- Keep approved sample photos and carton labels for repeat orders.
When to request a sample before bulk order
Precise can support mixed service kits, sample checks and export packing for repeat maintenance orders. For model screening, use the Precise cross-reference guide. For sourcing controls, review the OEM procurement checklist.
Inquiry checklist
| Send this information | How it helps |
|---|---|
| Part numbers | C105003, 2116040235, 1627410030, AS2519, 3971070 help screen the correct product family. |
| Equipment model | Confirms the application and reduces wrong-filter risk. |
| Photos and dimensions | Help verify seals, end caps, housing fit and connection details. |
| Annual quantity and packaging | Allow Precise to quote OEM packing, lead time and carton marks accurately. |
FAQ
Is a cross-reference number enough to approve the order?
No. Use cross-reference data to shortlist a replacement, then confirm the real filter against dimensions, seal design, machine model and working conditions.
Can Precise support distributor or OEM packaging?
Yes. For suitable repeat orders, Precise can discuss neutral packing, customer labels, carton marks, sample approval and mixed-model shipment planning.





