1R-0773 Premium High Efficiency Hydraulic Filter Element | Heavy Duty Dirt Holding Oil Filter Fits CAT 320B 320C 325B 330B Excavator

1R-0773 cartridge-type hydraulic filter is OEM replacement filter for CAT heavy-duty construction machinery. Multi-layer high-density filter paper efficiently removes metal debris, sludge and tiny impurities from hydraulic oil, effectively protecting hydraulic pumps and valve assemblies. Durable plastic end caps with stable internal support structure withstand system working pressure. Standard OEM dimension enables direct replacement without modification, excellent for long service in mining and engineering sites.

• ISO 9001 certified.
• 100% pressure, flow, and leakage tested before shipment to ensure quality.
• Comply with construction machinery hydraulic component industry standards.

• 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.

• 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.

ISSUES YOU MAY BE CONCERNED ABOUT
HERE IS THE ANSWER!

Q1: Which excavators fit 1R-0773 filter?

A: Fits CAT 320B,320C,325B,330B series excavators.

Q2: What cross reference numbers?

A: Interchange with HF6161, P171562.

Q3: Is it cartridge insert type?

A: Yes, insert cartridge design, replace filter element only.

Q4: Core function?

A: Clean hydraulic oil, block impurity to protect hydraulic components.

Q5: Direct replacement?

A: OEM identical size for easy installation.

Thank you for attention!