For XCMG Air Filter 800155718 800155719 AF27773 AF27777 4881643 453-5509 P627763 11K921310 11822829 240100179817

1. Original OEM part number: 800155718 (XCMG original material code)
2. Matching secondary safety inner filter: 800155719 (to be used as a complete set)
3. Interchangeable alternative part numbers:  P627763, 60C1561, 11K921310, 11822829, 240100179817
4. Product type: Primary air filter cartridge for construction machinery (outer filter). It forms a two-stage filtration system together with the inner safety filter. The photo you provided captures the bottom sealing end cap of the filter element.

Custom-designed for medium and large-sized XCMG excavators:

• 21-ton class excavators: XE215D / XE215DK
• XE225DK, XE245DK, XE270DK, XE305D series models
  Suitable for high-dust harsh working conditions including construction sites, mines, earthmoving and gravel yards.

• Integrated vulcanized thickened rubber sealing base with multiple annular sealing grooves and a central positioning boss;
• Multi-ring sealing structure prevents dust leakage from side gaps, delivering superior tightness under heavy dust environments, and perfectly fits the chuck mounting structure of XCMG’s original air filter housing.

• High dust-holding composite filter paper (glass fiber & wood pulp composite) with high-density pleating technology;
• Outer rust-proof perforated protective mesh to support the filter paper against deformation under negative pressure and damp conditions.

Two-stage filtration system consisting of outer primary filter 800155718 and inner safety filter 800155719. Coarse dust is trapped by the primary filter first, while the inner filter provides ultimate secondary protection for the engine.