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Heavy Duty Hydraulic Oil Filter HY90539 For Komatsu Excavators
HY90539 Product Description
Heavy Duty Hydraulic Oil Filter HY90539 For Komatsu Excavators purifies returning hydraulic fluid across heavy earthmoving machinery systems. Engineered with a built-in safety bypass valve and reinforced outer mesh, it prevents fluid cavitation, reduces pump valve sticking, and preserves hydraulic actuator life under continuous operational pressure.
HY90539 Core Strengths
- Integrated Safety Bypass Valve: Maintains unbroken fluid circulation during cold starts or sudden pressure spikes, protecting hydraulic lines.
- Perforated Outer Steel Cage: Perforated metal shroud provides structural rigidity against element collapse under high oil flow rates.
- Precision Synthetic Micro-Glass Media: Traps microscopic metallic dust and silt while ensuring consistent oil viscosity flow.
- Durable End Cap Gaskets: Heavy-duty rubber sealing rings deliver a tight seal to prevent unfiltered fluid bypass.
HY90539 Technical Specifications
| Style | HYDRAULIC FILTER |
| Dimension 1 (D1) | 153.0 mm |
| Dimension 2 (D2) | 95.5 mm |
| Dimension 3 (D3) | 92.0 mm |
| Height 1 (H1) | 229.0 mm |
| Height 2 (H2) | 206.0 mm |
| Height 3 (H3) | 200.0 mm |
| No. Check / Bypass Valves | 1 |
OE Reference & Application Scenarios
| OE / Cross Reference Numbers | SF Filter HY 90539, HiFi Filter SH 60554 |
| Application Scenarios | Main hydraulic system return line purification for Komatsu wheeled excavators, heavy earthmoving machinery, and mobile hydraulic plant equipment. |
Vehicle & Equipment Applications
KOMATSU:
- PW 140-7
- PW 148-8
- PW 160-7E0
- PW 160-7H
- PW 180-7E0 LC
- PW 220-7E0 LC
Why Choose Us
- Superior Cost-Performance Ratio: Factory-direct supply delivers OEM-matching quality at highly competitive wholesale rates.
- 15+ Years Manufacturing Mastery: Over fifteen years of dedicated experience in producing commercial and industrial filter assemblies.
- Comprehensive After-Sales Support: Backed by clear warranty coverage, expert technical guidance, and responsive post-purchase service.
Frequently Asked Questions (FAQ)
Q1: What function does the integrated bypass valve serve in hydraulic filter HY90539?
The internal bypass valve opens during extreme cold starts or severe restriction to ensure continuous hydraulic oil flow and protect system components from oil starvation.
Q2: How often should hydraulic oil filter HY90539 be replaced?
It is recommended to replace the hydraulic filter element every 500 to 1,000 operating hours, or whenever hydraulic oil sampling indicates contamination.
Q3: What equipment applications fit filter HY90539?
This element is specifically designed for Komatsu PW series wheeled excavators, including PW 140-7, PW 148-8, PW 160-7, PW 180-7, and PW 220-7 models.
Q4: Why is a perforated metal outer sleeve used on this filter element?
The outer steel shroud provides high structural strength, preventing media deformation or collapse under high return-line pressure surges.
Q5: Is HY90539 directly interchangeable with HiFi Filter SH 60554?
Yes, it matches all physical dimensions (D1: 153mm, H1: 229mm) and technical specs, making it a direct replacement for HiFi SH 60554 and SF Filter HY 90539.
Contact Information
| WhatsApp / WeChat: | +86 13328990097 |
| Email: | Sales@enginegensetparts.com |
| Website: | https://www.enginegensetparts.com |
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