1R-1809 Long Lifespan Heavy Duty Cartridge Engine Oil Filter CAT Diesel Bulldozer Generator Parts

1R-1809 cartridge-type lube oil filter is high-durability replacement filter for CAT heavy-duty diesel engines. Multi-layer reinforced filter paper effectively traps carbon deposits, metal shavings and oil sludge to protect engine moving components. Built-in sturdy inner support skeleton withstands sustained high oil pressure and harsh mining operating conditions. Matching OEM dimension enables direct element replacement, excellent dirt holding capacity extends service cycle and lowers regular maintenance frequency.

• 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.

lSSUES YOU MAY BE CONCERNED ABOUT
HERE IS THE ANSWER!

Q1: Which equipment uses 1R-1809 oil filter?

A: Fits CAT 3406E,3412 engine, D8R/D9N bulldozer and industrial generator sets.

Q2: Interchangeable part numbers?

A: Cross with LF3975, P550939.

Q3: Core durability advantage?

A: Reinforced filter media and inner frame resist high pressure for longer service life.

Q4: Installation way?

A: Insert cartridge design, replace filter element only without whole housing.

Q5: Direct OEM replacement available?

A: Exact OEM dimension for seamless plug-and-play installation.

Thank you for attention!