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Used Weichai Cartridge Filters

Overview

Cartridge filters are replaceable filter elements used in hydraulic, fuel, oil, air and coolant systems on construction and industrial equipment. They trap particles, water and contaminants to protect pumps, engines and hydraulic components. Available in pleated paper, synthetic and metal media with varying micron ratings and end-cap styles, cartridge filters are compact, easy to install and offered as OEM or aftermarket options for crawler loaders and similar machines. Correct size and micron rating are critical for performance.

FAQ

How do I pick the right cartridge filter for my crawler loader?

Match the OEM part number, outer and inner diameters, length, micron rating, flow direction and end-cap style. Check manufacturer cross-references and your machine’s service manual before ordering.

Can I use aftermarket cartridge filters instead of OEM?

Yes—many aftermarket filters work fine if they match specifications. Verify media type, efficiency (beta ratio), bypass valve specs and warranty to ensure comparable protection.

How often should cartridge filters be replaced?

Follow the loader’s maintenance schedule and monitor differential pressure indicators. Replacement frequency varies with environment and use; heavy contamination may require more frequent changes than standard intervals.

Are cartridge filters reusable or cleanable?

Paper and many pleated media filters are disposable. Some metal or washable-media cartridges are serviceable, but only clean or reuse filters specifically designed for it.

What should I consider when shipping cartridge filters?

Ship in original or sturdy packaging to prevent crushing and contamination. Keep filters dry and sealed, label part numbers clearly, and account for lead times and customs on international shipments.

How do I dispose of used cartridge filters?

Drain oil or fluids per local regulations, separate recyclable metal parts, and dispose of contaminated media through authorized waste handlers to meet environmental rules.