338-3540 Oil Filter Featuring C4.4 C6.6 C7.1 Engine Excavator Applications
Product Description;
338-3540 engine oil filter is vital lubrication system component for CAT construction machinery and excavators. It captures metal abrasive particles, carbon sludge and dirt contaminants in engine lubricant, protecting crankshaft, bearings and piston assemblies from abrasive wear. Replacing clogged filter solves unstable engine oil pressure, insufficient lubrication and accelerated internal component aging. OEM consistent dimension enables direct plug-and-play installation without modification.

| Item | Specification |
|---|---|
| Product Name | Oil Filter 338-3540 |
| OEM Number | 338-3540, 3383540 |
| Brand | Replacement / Customizable |
| Application | For C4.4, C6.6, C7.1 Engine, Excavator, Loader |
| Filter Type | Engine Oil Filter |
| Material | High Efficiency Filter Paper |
| Sealing Type | Rubber Gasket Seal |
| Filtration Efficiency | ≥99.5% |
| Working Temperature | -20ºC ~ 120ºC |
| Service Life | 1500~2000 working hours |
| Certification | ISO9001 |
| Place of Origin | China |
| Package | 1 pc per neutral carton |
| Package Size | 275 * 275 * 140 mm |
| Net Weight | 0.4 kg |
| Gross Weight | 0.5 kg |
| Part Number | Fit Engine | Applicable Machine |
|---|---|---|
| 338-3540 | C7.1 | 320GC 323GC Excavator |
| 338-3541 | C9.3 | 330GC 336GC Excavator |
| 338-3542 | C4.4 | 420F 430F Backhoe Loader |
| 338-3543 | C13 | 345GC 349GC Large Excavator |
Why choose us?
Certifications & Quality;
- ISO 9001 certified.
- 100% pressure, flow, and leakage tested before shipment to ensure quality.
- Comply with construction machinery hydraulic component industry standards.
Our Advantages;
- 10+ years of professional experience in manufacturing excavator hydraulic parts, mature technology, stable quality.
- Sufficient inventory, ready stock for popular models, fast delivery.
- Support OEM/ODM customization, develop special models per customer requirements.
- Complete after-sales team, provide technical consultation, installation guidance, troubleshooting.
After-Sales Service;
- Free replacement or repair for non-human quality issues within warranty period.
- Provide technical support for installation, commissioning, and operation.
- Lifetime supply of wearing parts and maintenance services at cost price.
Packing and shipping:


FAQ
lSSUES YOU MAY BE CONCERNED ABOUT HERE IS THE ANSWER!
Q1: What equipment uses 338-3540 oil filter?
A: Multiple CAT excavators and wheel loaders.
Q2: Function of anti-drain back valve?
A: Keep oil inside filter to avoid dry startup abrasion of engine.
Q3: Direct replacement available?
A: OEM standard size supports quick direct installation.
Q4: Warranty term?
A: 12 months warranty covers factory production defects.
Thank you for attention!
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.