Direct answer: Buyers comparing 496-9841, 496-9845, 479-8989, 252-5001 should treat the part number as a screening point, not as final approval. For tractors, harvesters, loaders and field support machines, 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 farm equipment distributors, seasonal service teams and regional parts counters. The products below are organized around dust, straw, pollen, long working hours and short harvest windows, where a delayed filter decision can stop a machine during the most expensive part of the season.
Connect each model to a real maintenance need
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 used in a wide range of Caterpillar heavy equipment, primarily excavators and material handlers: ①Excavators: Compatible with models such as the Caterpillar 336, 336 GC, 340, 345 GC, 349 GC, 350, 374, and 395. ②Engines: Fits engines such as the Cat C9.3 and C9.3B. ③Material Handlers: Used in models like the MH3250 and MH3050 This filter is used in a wide range of heavy machinery, specifically for CAT Excavators ...
Model references used in this article
| Model | Brand | Filter type | Purchasing note |
|---|---|---|---|
| 496-9841 | Caterpillar | honeycomb air filter | confirm as the lead reference |
| 496-9845 | Caterpillar | honeycomb air filter | check as a paired service item |
| 479-8989 | Caterpillar | honeycomb air filter | use for cross-reference screening |
| 252-5001 | Caterpillar | honeycomb air filter | verify dimensions before sample approval |
| 134-8726 | Caterpillar | engine air filter | include for complete maintenance coverage |
Procurement checks before confirming replacement filters
- 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.
OEM packing and repeat-order controls
Ask GUOHAO for a seasonal stocking quotation with model labels, neutral packing or private-label cartons. 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 | 496-9841, 496-9845, 479-8989, 252-5001, 134-8726 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.





