Direct answer: Buyers comparing 1665908, A0040946604, AF55021, AF55014 should treat the part number as a screening point, not as final approval. For long-haul trucks, dump trucks, tractor heads and mixed heavy-duty fleets, 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 truck parts importers, fleet maintenance buyers and diesel workshop suppliers. The products below are organized around long service intervals, dusty roads, variable diesel quality, high engine load and fleet uptime pressure, where ordering one visible filter while missing the paired air, fuel, water separator or lube filter can delay a full service job.
Choose filters by service risk, not by price alone
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: This filter is compatible with VOLVO D16 diesel engines, which are mostly incorparated on VOLVO FH series of trucks. This filter is designed for several Mercedes-Benz truck series: ①Actros Series: Used across multiple generations (MP1 to MP5), including popular models like the 1831, 1840, 2531, and 2646. ②Arocs Series: Common in heavy-duty construction and off-road transport trucks. ③Antos Series: Typically found in heavy-duty...
Model references used in this article
| Model | Brand | Filter type | Purchasing note |
|---|---|---|---|
| 1665908 | Volvo | engine air filter | confirm as the lead reference |
| A0040946604 | Mercedes Benz | cabin air filter | check as a paired service item |
| AF55021 | Fleetguard | honeycomb air filter | use for cross-reference screening |
| AF55014 | Fleetguard | honeycomb air filter | verify dimensions before sample approval |
| FK11011 | Fleetguard | fuel filter | include for complete maintenance coverage |
How to compare mixed filter references
- 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, GUOHAO packing and customer private-label packing in the quotation.
- Keep approved sample photos and carton labels for repeat orders.
Quotation details that improve approval speed
GUOHAO can prepare mixed truck service kits with carton marks, customer labels and repeat-order samples. For model screening, use the GUOHAO cross-reference guide. For sourcing controls, review the OEM procurement checklist.
Inquiry checklist
| Send this information | How it helps |
|---|---|
| Part numbers | 1665908, A0040946604, AF55021, AF55014, FK11011 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 GUOHAO 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 GUOHAO support distributor or OEM packaging?
Yes. For suitable repeat orders, GUOHAO can discuss neutral packing, customer labels, carton marks, sample approval and mixed-model shipment planning.
