337-5270 Hydraulic Oil Filter for Caterpillar Wheel Loaders
337-5270 hydraulic oil filter for Caterpillar 988H, 980L, 982, 986H, 994K wheel loaders. Cross reference SH66289, P580903, HF29122. Factory direct.
Description
The 337-5270 hydraulic oil filter (part number 3375270) is an advanced-efficiency hydraulic and transmission filter designed for Caterpillar wheel loaders and motor graders operating under moderate to severe conditions. IXIN Filter manufactures the 337-5270 to match OEM-equivalent dimensions and filtration performance, giving fleets and dealers a reliable, factory-direct option for hydraulic system protection on Cat 988H, 980-series and 986H equipment.
As a TS16949-certified filter manufacturer, IXIN supplies the 337-5270 hydraulic oil filter to distributors, equipment dealers and service centers in 60+ countries, with consistent batch quality and full traceability for bulk and OEM orders.
Product Specifications
| Attribute | Detail |
|---|---|
| Product Type | Hydraulic / Transmission Oil Filter Element |
| Outer Diameter | approx. 120–120.5 mm |
| Height / Length | approx. 269–271.5 mm |
| Efficiency Rating | Advanced Efficiency (per Cat OEM classification) |
| Media Material | High-efficiency filter media for moderate-to-severe hydraulic applications |
| Application | Hydraulic and transmission oil systems, wheel loaders and motor graders |
| Certification | TS16949 |
Compatible Caterpillar Equipment
- Cat 988H Wheel Loader
- Cat 972M Wheel Loader
- Cat 980L / 980K / 980M / 980 Wheel Loaders
- Cat 982 / 982M Wheel Loaders
- Cat 986H Wheel Loader
- Cat 966M Wheel Loader
- Cat 994K Wheel Loader
337-5270 Cross Reference / OE Replacement Numbers
The 337-5270 hydraulic oil filter is a direct cross reference and replacement for the following OE and aftermarket part numbers:
| Brand / Source | Part Number |
|---|---|
| Caterpillar OE | 337-5270 |
| Caterpillar OE | 3375270 |
| Hifi Filter | SH66289 |
| Donaldson | P580903 |
| Fleetguard | HF29122 |
| SF Filter / Schupp | HY90749 |
Note: Always confirm your machine’s exact model year and hydraulic system configuration against the OE part number before ordering, as Cat wheel loader hydraulic systems can vary by production series.
Why Choose IXIN’s 337-5270 Hydraulic Oil Filter
- Advanced Filtration Efficiency — Engineered to match the OEM “Advanced Efficiency” classification, protecting hydraulic pumps, valves and cylinders from accelerated wear caused by fine contaminants.
- Built for Heavy-Duty Cycles — Suited to the moderate-to-severe operating conditions typical of wheel loader hydraulic and transmission systems in mining, quarry and construction applications.
- OEM-Equivalent Fit — Manufactured to match OE dimensions for the 337-5270, supporting drop-in compatibility across the compatible Cat model range.
- Factory-Direct Supply — As a manufacturer (not a trading company), IXIN offers stable lead times and customization options for private label, packaging and media specification.
- Bulk & OEM Pricing — Volume discounts available for equipment dealers, distributors and fleet operators. Before placing a bulk order, review our tips on choosing a fuel filter supplier — the same sourcing principles apply to hydraulic filter procurement.
Installation & Maintenance Notes
For Cat wheel loaders using the 337-5270 hydraulic/transmission filter, general service steps include:
- Ensure the hydraulic system is depressurized and the machine is on level ground before servicing.
- Drain hydraulic/transmission fluid per OEM procedure if the service interval calls for a fluid change alongside the filter.
- Remove the old filter element and inspect the housing for debris or contamination.
- Install the new 337-5270 element, ensuring the seal seats correctly to prevent bypass or leakage.
- Refill with the correct hydraulic/transmission fluid grade and bleed the system per OEM instructions before returning the machine to service.
- Follow your specific Cat model’s recommended service interval — hydraulic filter change intervals vary by duty cycle and operating environment, so always confirm against your machine’s maintenance schedule.
FAQ
Q: Is the 337-5270 hydraulic oil filter compatible with all the listed Caterpillar wheel loader models? A: The 337-5270 is designed to fit the Cat 988H, 972M, 980-series, 982/982M, 986H, 966M and 994K wheel loaders. Because hydraulic system configurations can vary by production year, confirm your machine’s exact model and serial number range against the OE part number before ordering.
Q: What’s the difference between IXIN’s 337-5270 and the OEM Caterpillar filter? A: IXIN manufactures the 337-5270 to match OEM dimensions and the “Advanced Efficiency” filtration performance rating, using equivalent high-efficiency filter media. The main difference is price and lead time — IXIN offers factory-direct pricing for bulk and OEM orders without compromising fit or filtration performance.
Q: Can I order the 337-5270 with custom packaging or private label? A: Yes. IXIN supports customized packaging, labeling and media specifications for distributors and private-label buyers. Contact our sales team with your requirements.
Q: What is the minimum order quantity (MOQ)? A: MOQ varies by customization level. Get in touch with us via WhatsApp or email for current MOQ and lead time on the 337-5270 hydraulic oil filter.





