Excavator Hydraulic Oil Filter HF35512 21W-60-41121 for Komatsu Machinery

Product Overview: HF35512 / 21W-60-41121 Hydraulic Filter

The MILESTONE HF35512 (Komatsu part number 21W-60-41121) hydraulic filter element delivers exceptional fluid purity in high-duty excavator hydraulic circuits. Designed to protect precision servo valves and high-pressure axial piston pumps against fine abrasive wear.

Engineering & Compatibility Details

• Part Numbers: HF35512, 21W-60-41121
• Compatibility: Komatsu PC130, PC200, PC220, PC300 excavator series
• Media Efficiency: Beta Ratio ≥ 200 at 10 Micron
• Construction: Zinc-plated center core with welded seams resisting mechanical fatigue

Certified Quality & Reliable Sealing

Each filter element includes high-grade NBR O-rings providing 100% positive sealing. Complies with ISO 16889 multi-pass test specifications for continuous, surge-resistant fluid filtration.

Frequently Asked Questions (FAQ)

Q1: What Komatsu models are compatible with 21W-60-41121?
A1: Compatible with Komatsu hydraulic excavators including PC160-7, PC200-8, and PC220LC-8 series. Contact us with your machine model for verification.

Q2: How does MILESTONE ensure zero leak bypass?
A2: We use automated potting stations and high-viscosity structural adhesives to bond pleat packs securely into stamped steel end caps, preventing bypass under cold flow surges.

Q3: Can we request sample units for quality evaluation?
A3: Yes, sample units are available for qualified B2B buyers and distributors. Contact our sales department to arrange sample testing.