Coralfly Air Filter (equivalent to OEM 17801-31090) is a high-performance filtration element specifically designed for SUVs with powerful 4-liter engines that require a large volume of purified air.
Description and Characteristics:
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Purpose: Cleans atmospheric air from dust, sand, soot, and organic particles. Reliable filtration is critical for preventing wear on the cylinder-piston group and ensuring the stable operation of intake system sensors.
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Compatibility: Optimized for Toyota Land Cruiser and Land Cruiser Prado with a 4.0L engine (1GR-FE series). It is also widely used in Toyota FJ Cruiser, 4Runner, and Hilux models with the same power unit.
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Material: Utilizes a specialized multi-layer filter media with high porosity. This ensures low airflow resistance, allowing the engine to develop full power while maintaining maximum protection levels.
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Construction: Panel-type filter with a reinforced frame. High-quality elastic sealing along the edges ensures perfect airtightness within the housing, eliminating unfiltered air bypass.
Technical Specifications:
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OEM Number: 17801-31090
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Housing Type: Panel (rectangular)
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Advantages: High dirt-holding capacity, resistance to deformation under high intake loads, and precise matching of factory specifications.